diff --git a/server/providers/cctv/constants.js b/server/providers/cctv/constants.js
index 257c292b3..a26fa6c20 100644
--- a/server/providers/cctv/constants.js
+++ b/server/providers/cctv/constants.js
@@ -18,7 +18,7 @@ export const CCTV_MAX_SOURCES_CEILING = 5000;
 export const AUSTIN_DOWNTOWN = { lat: 30.2672, lon: -97.7431 };
 /** Caltrans CCTV: one JSON feed per district, identical schema statewide. */
 /** TxDOT ITS: one keyless JSON catalog per district (25 districts statewide). */
-export const TXDOT_ORIGIN = 'https://its.txdot.gov';
+const TXDOT_ORIGIN = 'https://its.txdot.gov';
 export const TXDOT_CCTV_STATUS_URL = (district) =>
   `${TXDOT_ORIGIN}/its/DistrictIts/GetCctvStatusListByDistrict?districtCode=${encodeURIComponent(district)}`;
 /** Per-camera frame. Returns JSON `{snippet:<base64 jpeg>}`, not an image body;
diff --git a/server/providers/cctv/groundHeights.js b/server/providers/cctv/groundHeights.js
index c73b6e840..f20b9758d 100644
--- a/server/providers/cctv/groundHeights.js
+++ b/server/providers/cctv/groundHeights.js
@@ -3,7 +3,7 @@ import path from 'node:path';
 import { poseHash } from '../../../src/data/cctvFootprint.js';
 
 /** Sidecar written by scripts/precompute-cctv-heights.mjs. */
-export const DEFAULT_GROUND_HEIGHTS_FILE =
+const DEFAULT_GROUND_HEIGHTS_FILE =
   'src/data/local_data/cctv_ground_heights/cctv_ground_heights.json';
 
 /** @type {{path:string, mtimeMs:number, cameras:object}|null} */
diff --git a/server/providers/cctv/media.js b/server/providers/cctv/media.js
index 1323bc841..206a24888 100644
--- a/server/providers/cctv/media.js
+++ b/server/providers/cctv/media.js
@@ -92,7 +92,7 @@ export function buildSyntheticCctvSvg({ cameraId, label, city, status }) {
  * @param {ReadableStream|NodeJS.ReadableStream|null} body
  * @returns {import('stream').Readable|null}
  */
-export function toReadable(body) {
+function toReadable(body) {
   if (!body) return null;
   if (typeof body.pipe === 'function') return body;
   if (typeof body.getReader === 'function') {
@@ -108,7 +108,7 @@ export function toReadable(body) {
  * @returns {{essence:string,params:Map<string,string>}|null} Null when the
  *   value is missing or is not a `type/subtype` media type.
  */
-export function parseMediaType(value) {
+function parseMediaType(value) {
   const [head, ...rest] = String(value ?? '').split(';');
   const essence = head.trim().toLowerCase();
   if (!/^[a-z0-9!#$&^_.+-]+\/[a-z0-9!#$&^_.+-]+$/.test(essence)) return null;
diff --git a/server/providers/cctv/normalize.js b/server/providers/cctv/normalize.js
index 74f693dd8..f190f257e 100644
--- a/server/providers/cctv/normalize.js
+++ b/server/providers/cctv/normalize.js
@@ -64,7 +64,7 @@ export function toFiniteNumber(value, fallback = NaN) {
  * @param {string} text
  * @returns {string}
  */
-export function normalizeKey(text) {
+function normalizeKey(text) {
   return String(text || '')
     .trim()
     .toLowerCase()
@@ -80,7 +80,7 @@ export function normalizeKey(text) {
  * @param {string} value
  * @returns {{lat:number, lon:number}}
  */
-export function parsePointString(value) {
+function parsePointString(value) {
   const match = String(value || '').match(
     /POINT\s*\(\s*(-?\d+(?:\.\d+)?)\s+(-?\d+(?:\.\d+)?)\s*\)/i,
   );
@@ -100,7 +100,7 @@ export function parsePointString(value) {
  * @param {string|object|null} value
  * @returns {{lat:number, lon:number}}
  */
-export function coerceLatLon(value) {
+function coerceLatLon(value) {
   if (!value) return { lat: NaN, lon: NaN };
 
   if (typeof value === 'string') {
diff --git a/server/providers/cctv/sources.js b/server/providers/cctv/sources.js
index c7def2284..a479a945c 100644
--- a/server/providers/cctv/sources.js
+++ b/server/providers/cctv/sources.js
@@ -1868,7 +1868,7 @@ export function normalizeCataloniaImageUrl(rawUrl) {
  * @param {string} imageUrl - A URL normalizeCataloniaImageUrl accepted.
  * @returns {string}
  */
-export function cataloniaCameraId(imageUrl) {
+function cataloniaCameraId(imageUrl) {
   const parsed = new URL(imageUrl);
   const slug = (text) =>
     text
diff --git a/server/providers/cctv/stream.js b/server/providers/cctv/stream.js
index 14d1743bb..da811f5f9 100644
--- a/server/providers/cctv/stream.js
+++ b/server/providers/cctv/stream.js
@@ -70,7 +70,7 @@ export async function fetchHlsBytes(
   }
 }
 
-export function sameOriginHlsUrl(value, base) {
+function sameOriginHlsUrl(value, base) {
   const url = new URL(value, base);
   if (
     !['https:', 'http:'].includes(url.protocol) ||
diff --git a/server/providers/cctv/taiwan.js b/server/providers/cctv/taiwan.js
index 830ed47fd..a14aabf9a 100644
--- a/server/providers/cctv/taiwan.js
+++ b/server/providers/cctv/taiwan.js
@@ -12,14 +12,14 @@ export const TAIWAN_FREEWAY_CCTV_URL =
   'https://tisvcloud.freeway.gov.tw/history/motc20/CCTV.xml';
 /** The whole network is ~1.2 MB. */
 export const TAIWAN_MAX_CATALOG_BYTES = 6 * 1024 * 1024;
-export const DEFAULT_TAIWAN_MAX_SOURCES = 600;
+const DEFAULT_TAIWAN_MAX_SOURCES = 600;
 /** After a failed download, wait this long before asking again. The catalog
  * host does not answer from some networks outside Taiwan, and every attempt
  * there holds the shared catalog refresh until the connect timeout. */
 export const TAIWAN_RETRY_AFTER_FAILURE_MS = 60 * 60 * 1000;
 /** The table is republished daily; a good copy stands in for a failed
  * download for up to this long. */
-export const TAIWAN_LAST_GOOD_MAX_AGE_MS = 24 * 60 * 60 * 1000;
+const TAIWAN_LAST_GOOD_MAX_AGE_MS = 24 * 60 * 60 * 1000;
 
 // The table publishes each camera's MJPEG stream. The same camera servers
 // answer a single JPEG for the same camera ID on a sibling path, which is what
@@ -50,7 +50,7 @@ const ANCHORS = [
 
 /** Taiwan main island with slack for the coast; the freeway network has no
  * offshore-island cameras. */
-export function isLikelyTaiwanCoordinate(lat, lon) {
+function isLikelyTaiwanCoordinate(lat, lon) {
   return (
     Number.isFinite(lat) &&
     Number.isFinite(lon) &&
diff --git a/server/providers/local-receivers.js b/server/providers/local-receivers.js
index 994da7bd8..f3f340b54 100644
--- a/server/providers/local-receivers.js
+++ b/server/providers/local-receivers.js
@@ -27,13 +27,13 @@ import { normalizeDump1090Aircraft } from '../../src/sources/adsbRecords.js';
  */
 
 export const LOCAL_RECEIVERS_ROUTE = '/api/local-receivers/aircraft';
-export const LOCAL_RECEIVER_FEEDS_ENV = 'LOCAL_RECEIVER_FEEDS';
-export const LOCAL_RECEIVER_BANDS = Object.freeze(['1090', '978']);
-export const LOCAL_RECEIVER_TIMEOUT_MS = 2_000;
-export const LOCAL_RECEIVER_MAX_BODY_BYTES = 2 * 1024 * 1024;
-export const LOCAL_RECEIVER_CACHE_MS = 1_000;
+const LOCAL_RECEIVER_FEEDS_ENV = 'LOCAL_RECEIVER_FEEDS';
+const LOCAL_RECEIVER_BANDS = Object.freeze(['1090', '978']);
+const LOCAL_RECEIVER_TIMEOUT_MS = 2_000;
+const LOCAL_RECEIVER_MAX_BODY_BYTES = 2 * 1024 * 1024;
+const LOCAL_RECEIVER_CACHE_MS = 1_000;
 /** A feed whose own `now` is older than this is reported stale. */
-export const LOCAL_RECEIVER_STALE_MS = 10_000;
+const LOCAL_RECEIVER_STALE_MS = 10_000;
 const MAX_FEEDS = 8;
 const LOG_PREFIX = '[local-receivers]';
 
@@ -139,7 +139,7 @@ class FeedError extends Error {
  * @param {string} address Resolved IP address.
  * @returns {boolean}
  */
-export function isLocalReceiverAddress(address) {
+function isLocalReceiverAddress(address) {
   const value = String(address || '').toLowerCase();
   if (value === '::1') return true;
   const mapped = /^::ffff:(\d{1,3}(?:\.\d{1,3}){3})$/.exec(value);
@@ -152,7 +152,7 @@ export function isLocalReceiverAddress(address) {
  * @param {typeof dnsLookup} lookupImpl `dns.promises.lookup`-compatible.
  * @returns {Promise<Array<{address:string, family:number}>>}
  */
-export async function resolveLocalReceiverAddresses(hostname, lookupImpl) {
+async function resolveLocalReceiverAddresses(hostname, lookupImpl) {
   let resolved;
   try {
     resolved = await lookupImpl(hostname, { all: true, verbatim: true });
@@ -274,7 +274,7 @@ function fetchLocalReceiverFeed(url, options) {
  * @param {object} options
  * @returns {Promise<object>} Parsed JSON document.
  */
-export async function fetchLocalReceiverDocument(
+async function fetchLocalReceiverDocument(
   url,
   {
     fetchImpl = fetchLocalReceiverFeed,
diff --git a/server/providers/mapillary/tiles.js b/server/providers/mapillary/tiles.js
index 569e7e45f..6e2207848 100644
--- a/server/providers/mapillary/tiles.js
+++ b/server/providers/mapillary/tiles.js
@@ -42,7 +42,7 @@ export class TileUpstreamError extends Error {
 }
 
 /** Seconds a Retry-After header asks for (an integer or an HTTP date), else null. */
-export function retryAfterSeconds(header, now = Date.now()) {
+function retryAfterSeconds(header, now = Date.now()) {
   const text = String(header ?? '').trim();
   if (!text) return null;
   const seconds = /^\d+$/.test(text)
diff --git a/server/providers/openai/codex-auth.js b/server/providers/openai/codex-auth.js
index 5f16ee824..4d3f992da 100644
--- a/server/providers/openai/codex-auth.js
+++ b/server/providers/openai/codex-auth.js
@@ -145,7 +145,7 @@ const CODEX_LOGIN_ENV =
   /^(?:PATH|PATHEXT|HOME|USER|USERNAME|LOGNAME|SHELL|LANG|LANGUAGE|LC_[A-Z_]+|TERM|TZ|TMPDIR|TEMP|TMP|XDG_[A-Z_]+|DISPLAY|WAYLAND_DISPLAY|DBUS_SESSION_BUS_ADDRESS|BROWSER|WSL_[A-Z_]+|WSLENV|(?:HTTPS?|ALL|NO)_PROXY|SSL_CERT_(?:FILE|DIR)|NODE_EXTRA_CA_CERTS|SYSTEMROOT|WINDIR|COMSPEC|USERPROFILE|APPDATA|LOCALAPPDATA|PROGRAMDATA|HOMEDRIVE|HOMEPATH|CODEX_[A-Z_]+)$/i;
 
 /** The environment `codex login` runs with: the allowlist, then `CODEX_HOME`. */
-export function codexLoginEnvironment(environment, codexHome) {
+function codexLoginEnvironment(environment, codexHome) {
   const env = {};
   for (const [name, value] of Object.entries(environment || {}))
     if (CODEX_LOGIN_ENV.test(name) && value !== undefined) env[name] = value;
diff --git a/server/providers/openai/debug-log.js b/server/providers/openai/debug-log.js
index 956569642..c8151d2f6 100644
--- a/server/providers/openai/debug-log.js
+++ b/server/providers/openai/debug-log.js
@@ -157,4 +157,4 @@ function createDebugLogHandler({
   };
 }
 
-export { createDebugLogHandler, omitVoiceContent };
+export { createDebugLogHandler };
diff --git a/server/providers/radio/catalog.js b/server/providers/radio/catalog.js
index 36a3eb730..2864c8986 100644
--- a/server/providers/radio/catalog.js
+++ b/server/providers/radio/catalog.js
@@ -26,7 +26,7 @@ import {
   RADIO_UUID_RE,
   RADIO_FALLBACK_MIRRORS,
 } from './constants.js';
-export async function mapRadioConcurrent(values, concurrency, mapper) {
+async function mapRadioConcurrent(values, concurrency, mapper) {
   const results = new Array(values.length);
   let cursor = 0;
   const workers = Array.from(
diff --git a/server/providers/transitHistory.js b/server/providers/transitHistory.js
index f396f3d8f..4da5a8891 100644
--- a/server/providers/transitHistory.js
+++ b/server/providers/transitHistory.js
@@ -1,5 +1,4 @@
 export {
   createTransitHistory,
-  TRANSIT_HISTORY_LIMITS,
   validTransitIdentifier,
 } from '../../src/sources/transitHistoryStore.js';
diff --git a/server/providers/wind/ifs.js b/server/providers/wind/ifs.js
index 7767d3905..076baf064 100644
--- a/server/providers/wind/ifs.js
+++ b/server/providers/wind/ifs.js
@@ -3,7 +3,7 @@ import { decodeWindGribMessage } from './decode.js';
 import { resampleWeatherSnapshot, weatherScalarMetadata } from './grid.js';
 
 /** Keyless ECMWF Open Data root for real-time IFS forecasts. */
-export const IFS_BASE = 'https://data.ecmwf.int/forecasts';
+const IFS_BASE = 'https://data.ecmwf.int/forecasts';
 
 /**
  * Select the latest IFS cycle that should be available.
diff --git a/src/annotations/drawMode.js b/src/annotations/drawMode.js
index 02a501010..fcfe08be6 100644
--- a/src/annotations/drawMode.js
+++ b/src/annotations/drawMode.js
@@ -31,10 +31,10 @@ export const MIN_VERTICES = Object.freeze({ area: 3, line: 2, pin: 1 });
  */
 export const MAX_VERTICES = 512;
 /** Two clicks closer than this are one vertex: a double-click to finish must not add a stray point. */
-export const MIN_VERTEX_SEPARATION_M = 0.5;
+const MIN_VERTEX_SEPARATION_M = 0.5;
 /** A line shorter than this, or an area thinner than this, is a mis-click rather than a shape. */
-export const MIN_PATH_LENGTH_M = 1;
-export const MIN_AREA_M2 = 1;
+const MIN_PATH_LENGTH_M = 1;
+const MIN_AREA_M2 = 1;
 
 /** @param {string} shape @returns {'area'|'line'|'pin'} */
 export function normalizeShape(shape) {
@@ -50,7 +50,7 @@ export function createDrawSession(shape = 'area') {
 }
 
 /** Great-circle distance in metres between two {lon, lat} points. */
-export function greatCircleM(a, b) {
+function greatCircleM(a, b) {
   return greatCircleMeters(a, b);
 }
 
diff --git a/src/annotations/drawTool.js b/src/annotations/drawTool.js
index 0f4e0fc76..9467406dd 100644
--- a/src/annotations/drawTool.js
+++ b/src/annotations/drawTool.js
@@ -52,7 +52,7 @@ import {
 
 import { msg, registerUnsavedWork, t, translateKnown } from '../i18n/index.js';
 /** The id this tool claims the pointer under. */
-export const DRAW_POINTER_OWNER = 'draw';
+const DRAW_POINTER_OWNER = 'draw';
 const PREVIEW_DATA_SOURCE_NAME = 'gev-draw-preview';
 
 const COLORS = ['primary', 'amber', 'cyan', 'green', 'red'];
diff --git a/src/annotations/resolver.js b/src/annotations/resolver.js
index fb5795d53..226caf140 100644
--- a/src/annotations/resolver.js
+++ b/src/annotations/resolver.js
@@ -29,7 +29,7 @@ import { unavailablePlaceSearch } from '../search/placeSearch.js';
 import { isPickedWorldPosition } from '../data/scenePick.js';
 
 /** Ms the analyst region lookup waits on geocode + admin boundary. */
-export const REGION_FALLBACK_BUDGET_MS = 3_000;
+const REGION_FALLBACK_BUDGET_MS = 3_000;
 
 /** Entity facts that rule out a state/county reading of the ask. */
 const NON_ADMIN_ENTITY_KINDS = new Set([
diff --git a/src/app/embed.js b/src/app/embed.js
index a1485fe7e..f0d6cad0a 100644
--- a/src/app/embed.js
+++ b/src/app/embed.js
@@ -15,9 +15,9 @@ import * as Cesium from 'cesium';
 import { announceNavigationAuthority } from '../navigationPolicy.js';
 import { annotationsFromParams, createView } from '../view/index.js';
 
-export const EMBED_VIEW_MESSAGE = 'gev:view';
-export const EMBED_APPLIED_MESSAGE = 'gev:view-applied';
-export const EMBED_READY_MESSAGE = 'gev:ready';
+const EMBED_VIEW_MESSAGE = 'gev:view';
+const EMBED_APPLIED_MESSAGE = 'gev:view-applied';
+const EMBED_READY_MESSAGE = 'gev:ready';
 
 const FOLLOW_LAYERS = {
   aircraft: 'flights',
diff --git a/src/app/sourceComposition.js b/src/app/sourceComposition.js
index 0fc619142..04794ab13 100644
--- a/src/app/sourceComposition.js
+++ b/src/app/sourceComposition.js
@@ -53,7 +53,7 @@ export const CATALOG_SOURCE_CONTRACTS = Object.freeze({
 });
 
 /** An omitted provider is unavailable, never an authoritative empty dataset. */
-export class SourceUnavailableError extends Error {
+class SourceUnavailableError extends Error {
   constructor(name) {
     super(`Data source not configured: ${name}`);
     this.name = 'SourceUnavailableError';
diff --git a/src/cameraGroundGuard.js b/src/cameraGroundGuard.js
index 5a5fa3775..3f9de0cab 100644
--- a/src/cameraGroundGuard.js
+++ b/src/cameraGroundGuard.js
@@ -20,8 +20,8 @@ import { ownCameraArrival } from './data/cameraArrival.js';
 /** Minimum eye height above the rendered surface for a usable view. */
 export const MIN_EYE_CLEARANCE_M = 120;
 /** Retries while tiles stream in; sampling fails until the mesh exists. */
-export const GUARD_ATTEMPTS = 8;
-export const GUARD_INTERVAL_MS = 600;
+const GUARD_ATTEMPTS = 8;
+const GUARD_INTERVAL_MS = 600;
 /** Ignore sub-metre noise rather than nudging the camera forever. */
 const GUARD_EPSILON_M = 2;
 
diff --git a/src/cctvFocusPolicy.js b/src/cctvFocusPolicy.js
index 7fb2ebe1b..e11c1e1ca 100644
--- a/src/cctvFocusPolicy.js
+++ b/src/cctvFocusPolicy.js
@@ -27,7 +27,7 @@ export function runCctvLayerEnableFocus({
  * @param {Object} [after={}] Ownership immediately after the await.
  * @returns {{ trackedEntity: *, cockpitActive: boolean }} Conservative ownership.
  */
-export function mergeCctvEnableOwnership(before = {}, after = {}) {
+function mergeCctvEnableOwnership(before = {}, after = {}) {
   return {
     trackedEntity: before.trackedEntity || after.trackedEntity || null,
     cockpitActive: !!(before.cockpitActive || after.cockpitActive),
diff --git a/src/cockpitCloudEffects.js b/src/cockpitCloudEffects.js
index ccbf31831..c9117b7d3 100644
--- a/src/cockpitCloudEffects.js
+++ b/src/cockpitCloudEffects.js
@@ -174,7 +174,7 @@ export function cockpitWeatherEnabledFromStoredValue(value) {
  * Weather-backed volumetric cloud pass that exists only while cockpit mode is
  * active. It owns no Cesium fog/post-process stages and cannot affect map mode.
  */
-export class CockpitCloudEffectsController {
+class CockpitCloudEffectsController {
   constructor(viewer, { weatherService = applicationServices.weather } = {}) {
     this.weatherService = weatherService;
     this.viewer = viewer;
diff --git a/src/data/adminBoundaries.js b/src/data/adminBoundaries.js
index e9f97cf8f..9efa967d4 100644
--- a/src/data/adminBoundaries.js
+++ b/src/data/adminBoundaries.js
@@ -123,7 +123,7 @@ export function decodeRing(encoded, decimals) {
 }
 
 /** Even-odd point-in-ring test; ring is [[lon, lat], …], open or closed. */
-export function pointInRing(ring, lat, lon) {
+function pointInRing(ring, lat, lon) {
   if (!Array.isArray(ring) || ring.length < 3) return false;
   let inside = false;
   for (let i = 0, j = ring.length - 1; i < ring.length; j = i, i += 1) {
diff --git a/src/data/aisStreamAdapter.js b/src/data/aisStreamAdapter.js
index 1f7b0ef9b..05e747308 100644
--- a/src/data/aisStreamAdapter.js
+++ b/src/data/aisStreamAdapter.js
@@ -215,7 +215,7 @@ export const AIS_RECOGNIZED_MESSAGE_TYPES = Object.freeze(
  * @param {Object} body
  * @returns {string|null}
  */
-export function aisEnvelopeMmsi(envelope, body = {}) {
+function aisEnvelopeMmsi(envelope, body = {}) {
   const metadata = envelope?.MetaData || envelope?.Metadata || {};
   const raw = metadata.MMSI ?? body.UserID ?? body.UserId ?? body.Mmsi;
   if (raw === null || raw === undefined) return null;
diff --git a/src/data/aisWatchdog.js b/src/data/aisWatchdog.js
index a83c281d9..f024a6f67 100644
--- a/src/data/aisWatchdog.js
+++ b/src/data/aisWatchdog.js
@@ -46,28 +46,8 @@ export const AIS_WATCHDOG_DEFAULTS = Object.freeze({
   authProbeMs: 3_600_000,
 });
 
-/**
- * Statuses reported to the browser. 'missing-key' and 'unsupported' keep their
- * pre-watchdog meaning so a keyless install still reads as "feature off".
- */
-export const AIS_WATCHDOG_STATUSES = Object.freeze([
-  'idle',
-  'missing-key',
-  'unsupported',
-  'connecting',
-  'live',
-  'stale',
-  'reconnecting',
-  'down',
-  'auth-failed',
-]);
-
 /** Failure classes. Only 'transport' is allowed to walk the fast ladder. */
-export const AIS_FAILURE_KINDS = Object.freeze([
-  'transport',
-  'auth',
-  'rate-limit',
-]);
+const AIS_FAILURE_KINDS = Object.freeze(['transport', 'auth', 'rate-limit']);
 
 /** Statuses that must not flip back to a hopeful 'connecting' on a retry. */
 const QUIET_TERMINAL = new Set(['down', 'auth-failed']);
diff --git a/src/data/analystEngine.js b/src/data/analystEngine.js
index 6a31c5a20..5175fec48 100644
--- a/src/data/analystEngine.js
+++ b/src/data/analystEngine.js
@@ -62,7 +62,7 @@ const COMMON_FIELDS = Object.freeze(['id', 'lat', 'lon']);
 /** Derived per-record field for layers with a time field (hours before now). */
 const AGE_FIELD = 'ageHours';
 /** Spatial scope kinds `query()` accepts. */
-export const ANALYST_SCOPE_KINDS = Object.freeze([
+const ANALYST_SCOPE_KINDS = Object.freeze([
   'view',
   'region',
   'radius',
@@ -74,7 +74,7 @@ export const ANALYST_SCOPE_KINDS = Object.freeze([
  * @param {string[]} layerKeys Queried layer ids.
  * @returns {string[]} Field names, common fields first.
  */
-export function analystFieldsFor(layerKeys) {
+function analystFieldsFor(layerKeys) {
   const fields = new Set(COMMON_FIELDS);
   for (const key of layerKeys) {
     const layer = ANALYST_LAYERS[key];
@@ -104,44 +104,6 @@ export function haversineKm(lat1, lon1, lat2, lon2) {
   return greatCircleKm({ lat: lat1, lon: lon1 }, { lat: lat2, lon: lon2 });
 }
 
-/**
- * One filter: {field, op:'gt'|'lt'|'gte'|'lte'|'eq'|'neq'|'contains', value}.
- * With `time: true`, both sides compare as epoch ms (ISO strings accepted).
- */
-export function applyFilter(records, filter, { time = false } = {}) {
-  const { field, op } = filter || {};
-  if (!field || !op) return records;
-  const value = time ? toEpochMs(filter.value) : filter.value;
-  return records.filter((r) => {
-    const got = time ? toEpochMs(r[field]) : r[field];
-    if (got === null || got === undefined || (time && !Number.isFinite(got)))
-      return false;
-    if (time && (op === 'eq' || op === 'neq'))
-      return (got === value) === (op === 'eq');
-    switch (op) {
-      case 'gt':
-        return Number(got) > Number(value);
-      case 'gte':
-        return Number(got) >= Number(value);
-      case 'lt':
-        return Number(got) < Number(value);
-      case 'lte':
-        return Number(got) <= Number(value);
-      case 'eq': {
-        if (typeof got === 'boolean' || typeof value === 'boolean')
-          return Boolean(got) === Boolean(value);
-        return String(got).toLowerCase() === String(value).toLowerCase();
-      }
-      case 'neq':
-        return String(got).toLowerCase() !== String(value).toLowerCase();
-      case 'contains':
-        return String(got).toLowerCase().includes(String(value).toLowerCase());
-      default:
-        return false;
-    }
-  });
-}
-
 /** Scope records spatially. scope: {kind:'view'|'region'|'radius'|'anywhere', …}. */
 export function applyScope(records, scope, resolved) {
   if (!scope || scope.kind === 'anywhere') return records;
@@ -191,7 +153,7 @@ const COMMON_UNITS = Object.freeze({
  * @param {string} field Field name.
  * @returns {'number'|'text'|'flag'|'time'|null} Field type.
  */
-export function analystFieldType(layerKeys, field) {
+function analystFieldType(layerKeys, field) {
   if (!analystFieldsFor(layerKeys).includes(field)) return null;
   if (COMMON_TYPES[field]) return COMMON_TYPES[field];
   for (const key of layerKeys) {
diff --git a/src/data/bhoteKoshiLocator.js b/src/data/bhoteKoshiLocator.js
index 79aab080f..369465680 100644
--- a/src/data/bhoteKoshiLocator.js
+++ b/src/data/bhoteKoshiLocator.js
@@ -14,7 +14,7 @@ import { BHOTE_KOSHI_FLOOD_PATH } from './bhoteKoshiFloodPath.js';
 import { INCIDENT_OVERVIEW_PLACES } from './bhoteKoshiIncidentPlaces.js';
 import { t, msg, getLocale } from '../i18n/index.js';
 
-export const BHOTE_KOSHI_LOCATOR_LAYER_ID = 'bhote-koshi-locator';
+const BHOTE_KOSHI_LOCATOR_LAYER_ID = 'bhote-koshi-locator';
 export const BHOTE_KOSHI_LOCATOR_OVERLAY_SOURCE_ID =
   'bhote-koshi-locator-callout';
 export const NEPAL_CONTEXT_PRESENTATION = 'nepal-context';
@@ -1247,6 +1247,3 @@ export function createBhoteKoshiLocatorLayer({
     },
   };
 }
-
-const bhoteKoshiLocatorLayer = createBhoteKoshiLocatorLayer();
-export default bhoteKoshiLocatorLayer;
diff --git a/src/data/bikeshare.js b/src/data/bikeshare.js
index 15c9dc802..6370c790e 100644
--- a/src/data/bikeshare.js
+++ b/src/data/bikeshare.js
@@ -23,4 +23,3 @@ export {
   BIKESHARE_SELECTED_OVERLAY_SOURCE_ID,
   BIKESHARE_SELECTED_OVERLAY_SOURCE_OPTIONS,
 } from '../layers/bikeshare/index.js';
-export default layer;
diff --git a/src/data/cctvFootprint.js b/src/data/cctvFootprint.js
index 42a3ad424..93f2b48ed 100644
--- a/src/data/cctvFootprint.js
+++ b/src/data/cctvFootprint.js
@@ -17,7 +17,7 @@
  */
 
 const EARTH_RADIUS_M = 6371000;
-export const PLANE_VERT_ASPECT = 16 / 9;
+const PLANE_VERT_ASPECT = 16 / 9;
 export const SUPPORT_KEYS = Object.freeze([
   'bl',
   'bm',
@@ -128,7 +128,7 @@ export function planeSupportPoints(pose) {
  * @param {number} capAltM @param {-1|0|1} row @param {{upVert:number}} dims
  * @returns {number}
  */
-export function supportAltitude(capAltM, row, dims) {
+function supportAltitude(capAltM, row, dims) {
   return capAltM + row * dims.upVert;
 }
 
diff --git a/src/data/cctvLod.js b/src/data/cctvLod.js
index 44b2e8ba3..834dd964f 100644
--- a/src/data/cctvLod.js
+++ b/src/data/cctvLod.js
@@ -94,7 +94,7 @@ export function incumbentRankKm(
 export const CCTV_CARD_CENTER_WEIGHT = 0.5;
 
 /** Robust pool-distance percentile used to scale the screen-space term. */
-export const CCTV_CARD_SPREAD_PERCENTILE = 0.9;
+const CCTV_CARD_SPREAD_PERCENTILE = 0.9;
 
 /** True only when both viewport dimensions are finite positive pixels. */
 export function hasFiniteCctvViewport(viewW, viewH) {
@@ -172,8 +172,8 @@ export function blendCenterRankKm(
 // viewport is bucketed into this grid and every occupied cell gets its best
 // candidate before global rank fills the rest. Owner-tunable together with
 // the budgets above.
-export const CCTV_CARD_GRID_COLS = 5;
-export const CCTV_CARD_GRID_ROWS = 4;
+const CCTV_CARD_GRID_COLS = 5;
+const CCTV_CARD_GRID_ROWS = 4;
 
 /**
  * Screen-space distribution pass (owner round 2, item C). Buckets the
diff --git a/src/data/dataCredits.js b/src/data/dataCredits.js
index 12dd7682a..aff87aeb7 100644
--- a/src/data/dataCredits.js
+++ b/src/data/dataCredits.js
@@ -25,11 +25,11 @@ import * as Cesium from 'cesium';
  * follows DATA_SOURCES.md (live sources, then bundled snapshots).
  * @type {{ key: string, html: string }[]}
  */
-export const OSM_CREDIT = {
+const OSM_CREDIT = {
   key: 'openstreetmap',
   html: 'Map and place data <a href="https://www.openstreetmap.org/copyright" target="_blank" rel="noopener">© OpenStreetMap contributors</a> (<a href="https://opendatacommons.org/licenses/odbl/1-0/" target="_blank" rel="noopener">ODbL</a>)',
 };
-export const OPENMAPTILES_CREDIT = {
+const OPENMAPTILES_CREDIT = {
   key: 'openfreemap',
   html: 'Vector tiles: <a href="https://openfreemap.org" target="_blank" rel="noopener">OpenFreeMap</a> © <a href="https://openmaptiles.org" target="_blank" rel="noopener">OpenMapTiles</a>',
 };
diff --git a/src/data/detectionCohort.js b/src/data/detectionCohort.js
index ed9f46c52..95cda50f0 100644
--- a/src/data/detectionCohort.js
+++ b/src/data/detectionCohort.js
@@ -18,7 +18,7 @@ export function stableIdentityHash(layerId, sourceId) {
 }
 
 /** Negative means a is a better deterministic contender than b. */
-export function compareCohortContenders(a, b) {
+function compareCohortContenders(a, b) {
   const priorityDelta =
     (Number(b?._cohortPriority) || 0) - (Number(a?._cohortPriority) || 0);
   if (priorityDelta) return priorityDelta;
diff --git a/src/data/detectionPolicy.js b/src/data/detectionPolicy.js
index bf47785fd..0105d3beb 100644
--- a/src/data/detectionPolicy.js
+++ b/src/data/detectionPolicy.js
@@ -5,7 +5,6 @@
  * module so density cannot drift into contradictory mode semantics again.
  */
 
-export const DENSITY_STOPS = Object.freeze([0, 25, 50, 75, 100]);
 export const ALLOCATION_ELASTIC = 'ELASTIC';
 export const ALLOCATION_WEIGHTED = 'WEIGHTED';
 export const ALLOCATION_STRATEGIES = Object.freeze([
@@ -118,7 +117,7 @@ export function detectionHorizontalSector(screenX, viewportWidth) {
   return 'front';
 }
 
-export const VIEW_SCALE_BUDGETS = Object.freeze({
+const VIEW_SCALE_BUDGETS = Object.freeze({
   street: Object.freeze({ 0: 9, 25: 23, 50: 45, 75: 68, 100: 90 }),
   city: Object.freeze({ 0: 7, 25: 18, 50: 35, 75: 53, 100: 70 }),
   metro: Object.freeze({ 0: 6, 25: 14, 50: 28, 75: 41, 100: 55 }),
diff --git a/src/data/directions.js b/src/data/directions.js
index ef5565488..8a871bfbf 100644
--- a/src/data/directions.js
+++ b/src/data/directions.js
@@ -24,7 +24,7 @@ import * as input from './inputOwnership.js';
 import { createDirectionsLayer } from '../layers/directions/index.js';
 
 /** The shared scene owners every Directions instance runs on. */
-export const directionsServices = Object.freeze({
+const directionsServices = Object.freeze({
   credits,
   render,
   sprites,
@@ -49,15 +49,11 @@ export {
   DIRECTIONS_MODES,
   DIRECTIONS_POINTER_OWNER,
   DIRECTIONS_ROUTE_COLOR,
-  DIRECTIONS_STEP_OVERLAY_SOURCE_ID,
-  DIRECTIONS_STEP_OVERLAY_SOURCE_OPTIONS,
-  FLIGHT_PROGRESS_MS,
   POINTER_TOOL_EXITS,
   STEP_ANCHOR_DEADLINE_MS,
   STEP_ANCHOR_FAST_ATTEMPTS,
   STEP_ANCHOR_RETRY_MS,
   STEP_ANCHOR_SLOW_RETRY_MS,
-  createDirectionsLayer,
   createDirectionsStepOverlayEntry,
   directionsRequestUrl,
   directionsRowControls,
diff --git a/src/data/earthquakes.js b/src/data/earthquakes.js
index f003bf712..aac775d92 100644
--- a/src/data/earthquakes.js
+++ b/src/data/earthquakes.js
@@ -8,4 +8,3 @@ export function createEarthquakesLayer({
 } = {}) {
   return createApplicationEarthquakes({ source, ...options });
 }
-export default createEarthquakesLayer();
diff --git a/src/data/geoFileImport.js b/src/data/geoFileImport.js
index fc6a5e079..cf7037388 100644
--- a/src/data/geoFileImport.js
+++ b/src/data/geoFileImport.js
@@ -5,9 +5,9 @@ import { createImportedPins } from './geoImportPins.js';
 import { msg } from '../i18n/marker.js';
 
 /** Largest file accepted, in bytes. */
-export const MAX_IMPORT_BYTES = 50 * 1024 * 1024;
+const MAX_IMPORT_BYTES = 50 * 1024 * 1024;
 /** Largest total a KMZ may inflate to — a zip bomb stops here. */
-export const MAX_KMZ_INFLATED_BYTES = 120 * 1024 * 1024;
+const MAX_KMZ_INFLATED_BYTES = 120 * 1024 * 1024;
 /** Most files on the globe at once. */
 export const MAX_IMPORTED_FILES = 12;
 /** Most entities one file may create before it is refused. */
@@ -15,9 +15,9 @@ export const MAX_IMPORT_ENTITIES = 20_000;
 /** Most vertices (points of every line, ring and marker) in one file. */
 export const MAX_IMPORT_POSITIONS = 250_000;
 /** Most normalized style definitions and local image links in one KML/KMZ. */
-export const MAX_KML_LINKS = 2_000;
+const MAX_KML_LINKS = 2_000;
 /** Longest plain-text name kept from a file's features. */
-export const MAX_IMPORT_NAME_LENGTH = 120;
+const MAX_IMPORT_NAME_LENGTH = 120;
 /** What the file picker offers. */
 export const GEO_FILE_ACCEPT = '.geojson,.json,.kml,.kmz,.gpx';
 
diff --git a/src/data/geoImportImages.js b/src/data/geoImportImages.js
index 86f8e98e2..71133df26 100644
--- a/src/data/geoImportImages.js
+++ b/src/data/geoImportImages.js
@@ -1,5 +1,5 @@
 // Inspect encoded headers before allowing the browser to decode local images.
-export const MAX_IMPORT_IMAGE_PIXELS = 16 * 1024 * 1024;
+const MAX_IMPORT_IMAGE_PIXELS = 16 * 1024 * 1024;
 const MAX_SIDE = 8192;
 
 /** Width and height from a supported raster header; no image is decoded. */
diff --git a/src/data/gtfsRealtime.js b/src/data/gtfsRealtime.js
index 96d6b28a5..1fe888d4a 100644
--- a/src/data/gtfsRealtime.js
+++ b/src/data/gtfsRealtime.js
@@ -35,14 +35,14 @@
 import { PbfReader } from 'pbf';
 
 /** VehiclePosition.VehicleStopStatus enum → label. */
-export const VEHICLE_STOP_STATUS = Object.freeze({
+const VEHICLE_STOP_STATUS = Object.freeze({
   0: 'INCOMING_AT',
   1: 'STOPPED_AT',
   2: 'IN_TRANSIT_TO',
 });
 
 /** VehiclePosition.OccupancyStatus enum → label. */
-export const OCCUPANCY_STATUS = Object.freeze({
+const OCCUPANCY_STATUS = Object.freeze({
   0: 'EMPTY',
   1: 'MANY_SEATS_AVAILABLE',
   2: 'FEW_SEATS_AVAILABLE',
@@ -64,7 +64,6 @@ export const GTFS_MAX_ENTITIES = 50_000;
 export const GTFS_MAX_STRING_CHARS = 256;
 /** FeedHeader.Incrementality: only FULL_DATASET carries a complete snapshot. */
 export const GTFS_INCREMENTALITY_FULL_DATASET = 0;
-export const GTFS_INCREMENTALITY_DIFFERENTIAL = 1;
 
 /**
  * Read a length-delimited string, refusing one that is implausibly long.
diff --git a/src/data/localGeojson.js b/src/data/localGeojson.js
index 8871cfe39..61f6c3abf 100644
--- a/src/data/localGeojson.js
+++ b/src/data/localGeojson.js
@@ -1,5 +1,4 @@
 import { localGeoJsonServices } from '../app/localGeojsonServices.js';
-export { localGeoJsonServices } from '../app/localGeojsonServices.js';
 import {
   createLocalGeoJsonLayer as createLayer,
   createLocalInfrastructureOverlayPublisher as createPublisher,
diff --git a/src/data/militaryNames.js b/src/data/militaryNames.js
index b26ab04e6..d4b4b8846 100644
--- a/src/data/militaryNames.js
+++ b/src/data/militaryNames.js
@@ -7,7 +7,7 @@ import { createRetryableLoader } from './retryableLoad.js';
 export const MILITARY_POINT_CAP = 512;
 export const MILITARY_LABEL_CAP = 24;
 
-export const MILITARY_NAMES_TIMEOUT_MS = 10_000;
+const MILITARY_NAMES_TIMEOUT_MS = 10_000;
 
 /** Share a bounded acquisition; failed assets become retryable after cooldown. */
 export function createMilitaryNamesLoader({
diff --git a/src/data/radioCountry.js b/src/data/radioCountry.js
index 55d9b36a5..1f77d8e98 100644
--- a/src/data/radioCountry.js
+++ b/src/data/radioCountry.js
@@ -117,8 +117,3 @@ export function normalizeRadioCountryInput(value) {
     name: canonicalCountryName(code),
   });
 }
-
-/** Return whether a value is a recognized ISO 3166-1 alpha-2 code. */
-export function isRadioCountryCode(value) {
-  return typeof value === 'string' && ISO_ALPHA_2_SET.has(value.toUpperCase());
-}
diff --git a/src/data/telegeographySubmarineCables.js b/src/data/telegeographySubmarineCables.js
index 6aaba700f..6bee7c56d 100644
--- a/src/data/telegeographySubmarineCables.js
+++ b/src/data/telegeographySubmarineCables.js
@@ -28,4 +28,3 @@ export {
   createCableReferenceSweepGate,
   updateCableReferenceStem,
 } from '../layers/submarineCables/index.js';
-export default createTeleGeographySubmarineCableLayer();
diff --git a/src/data/wind.js b/src/data/wind.js
index 38bc10688..59b9aaf5d 100644
--- a/src/data/wind.js
+++ b/src/data/wind.js
@@ -1,5 +1,4 @@
 import { createSourceSlot } from '../sources/sourceSlot.js';
-import { createWindLayer as createLayer } from '../layers/wind/index.js';
 import { createWindSource } from '../layers/wind/source.js';
 
 const sourceSlot = createSourceSlot(
@@ -8,10 +7,3 @@ const sourceSlot = createSourceSlot(
   'Wind source',
 );
 export const configureWindSource = sourceSlot.configure;
-
-/** Create a wind layer using the configured application source by default. */
-export function createWindLayer(options = {}) {
-  return createLayer({ ...options, feed: options.feed ?? sourceSlot.source });
-}
-
-export default createWindLayer();
diff --git a/src/i18n/index.js b/src/i18n/index.js
index d5698aa5b..48b63b2f6 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -210,7 +210,7 @@ export function formatRelativeTime(value, unit = 'second', options) {
 }
 
 /** Collapse markup whitespace so a message reads the same in HTML and JS. */
-export function normalizeMarkupText(text) {
+function normalizeMarkupText(text) {
   return String(text ?? '')
     .replace(/\s+/g, ' ')
     .trim();
diff --git a/src/layers/alpr/records.js b/src/layers/alpr/records.js
index 0d751f12d..10cd88062 100644
--- a/src/layers/alpr/records.js
+++ b/src/layers/alpr/records.js
@@ -1,11 +1,11 @@
 import { QUERY_LIMIT, QUERY_SNAP_DEGREES } from './policy.js';
 
-export function textTag(value) {
+function textTag(value) {
   const t = String(value ?? '').trim();
   return t || null;
 }
 
-export function numTag(value) {
+function numTag(value) {
   // `Number('')` and `Number('   ')` are 0, not NaN — a blank or whitespace-only
   // tag value must read as missing, never as a due-north bearing.
   if (value == null) return null;
@@ -102,7 +102,7 @@ export function normalizeAlprNode(el) {
   };
 }
 
-export function normalizeDirection(value) {
+function normalizeDirection(value) {
   const degrees = numTag(value);
   return degrees != null && degrees >= 0 && degrees <= 360
     ? degrees % 360
diff --git a/src/layers/alpr/tileRecords.js b/src/layers/alpr/tileRecords.js
index 5db9192b3..0368f53fb 100644
--- a/src/layers/alpr/tileRecords.js
+++ b/src/layers/alpr/tileRecords.js
@@ -3,7 +3,7 @@ import { VectorTile } from '@mapbox/vector-tile';
 import { normalizeAlprNode } from './records.js';
 
 /** Map extract attributes without treating an OSM edit date as a field verification. */
-export function normalizeAlprTileFeature(feature) {
+function normalizeAlprTileFeature(feature) {
   const p = feature?.properties || {};
   if (feature?.geometry?.type !== 'Point' || p.osmType !== 'node') return null;
   const [lon, lat] = feature.geometry.coordinates;
diff --git a/src/layers/awareness/policy.js b/src/layers/awareness/policy.js
index eda5a46e6..22cc8eb98 100644
--- a/src/layers/awareness/policy.js
+++ b/src/layers/awareness/policy.js
@@ -1,9 +1,6 @@
 export const AIRCRAFT_DEPENDENCIES = ['flights', 'military'];
 
-export const DEFERRED_DEPENDENCIES = [
-  'ais-live-vessels',
-  'military-installations',
-];
+const DEFERRED_DEPENDENCIES = ['ais-live-vessels', 'military-installations'];
 
 export const DEPENDENCIES = [
   ...AIRCRAFT_DEPENDENCIES,
diff --git a/src/layers/bikeshare/policy.js b/src/layers/bikeshare/policy.js
index 14f1edf6e..1b9c1579f 100644
--- a/src/layers/bikeshare/policy.js
+++ b/src/layers/bikeshare/policy.js
@@ -11,7 +11,7 @@ export const BIKESHARE_SELECTED_OVERLAY_SOURCE_OPTIONS = Object.freeze({
 // --- Activation / display thresholds ---
 /** Altitude (m) at which bikeshare layer becomes eligible for display. */
 
-export const ACTIVATION_ALTITUDE_M = 50000;
+const ACTIVATION_ALTITUDE_M = 50000;
 
 /** Hysteresis enter threshold — layer activates when camera drops below this. */
 
diff --git a/src/layers/cctv/policy.js b/src/layers/cctv/policy.js
index 96d7985f1..bc369c02a 100644
--- a/src/layers/cctv/policy.js
+++ b/src/layers/cctv/policy.js
@@ -1,10 +1,4 @@
-export {
-  FRAME_ENDPOINT,
-  SOURCE_ENDPOINT,
-  HEALTH_ENDPOINT,
-  MEDIA_ENDPOINT,
-  ACTIVE_FRAME_REFRESH_MS,
-} from './sourcePolicy.js';
+export { ACTIVE_FRAME_REFRESH_MS } from './sourcePolicy.js';
 import * as Cesium from 'cesium';
 import { CCTV_CARD_FETCH_BURST_SPACING_MS } from '../../data/cctvCards.js';
 import { CCTV_AMBIENT_CARD_MAX } from '../../data/cctvLod.js';
@@ -90,9 +84,6 @@ export const CCTV_CALIBRATION_STORAGE_KEY_V2 =
 
 export const PROJECTION_TEXTURE_SWAP_MS = 1000;
 
-export const PROJECTION_VERT_ASPECT =
-  PROJECTION_CANVAS_WIDTH / PROJECTION_CANVAS_HEIGHT;
-
 // V2 frustum geometry (design §2a/§6): the far-cap center + corners never sink
 // below groundAlt + this clearance, so a fabricated pitch (-24°) cannot bury
 // the monitor plane in the 3D tiles. Exported for the unit suite.
diff --git a/src/layers/cctv/sourcePolicy.js b/src/layers/cctv/sourcePolicy.js
index 5ce0cd024..3341a4ce9 100644
--- a/src/layers/cctv/sourcePolicy.js
+++ b/src/layers/cctv/sourcePolicy.js
@@ -1,9 +1,5 @@
 export const FRAME_ENDPOINT = '/api/cctv/frame';
 
-export const SOURCE_ENDPOINT = '/api/cctv/sources';
-
-export const HEALTH_ENDPOINT = '/api/cctv/health';
-
 export const MEDIA_ENDPOINT = '/api/cctv/media';
 
 export const ACTIVE_FRAME_REFRESH_MS = 10000;
diff --git a/src/layers/cyclones/labels.js b/src/layers/cyclones/labels.js
index e95b5a28c..cb418865f 100644
--- a/src/layers/cyclones/labels.js
+++ b/src/layers/cyclones/labels.js
@@ -64,7 +64,7 @@ const SHARED_CARD = Object.freeze({
  * @param {boolean} selected
  * @returns {object}
  */
-export function cycloneStormEntry(storm, selected) {
+function cycloneStormEntry(storm, selected) {
   return {
     ...SHARED_CARD,
     ...markerClearance(
@@ -92,7 +92,7 @@ export function cycloneStormEntry(storm, selected) {
  * @param {{tauHours:number,position:object}} point
  * @returns {object}
  */
-export function cycloneLeadEntry(stormId, point) {
+function cycloneLeadEntry(stormId, point) {
   return {
     ...SHARED_CARD,
     ...markerClearance(CYCLONE_MARKER_PX.forecast),
diff --git a/src/layers/flights/policy.js b/src/layers/flights/policy.js
index 2c015e6c9..2ecb0a8a4 100644
--- a/src/layers/flights/policy.js
+++ b/src/layers/flights/policy.js
@@ -1,11 +1,3 @@
-export {
-  GROUND_FLOOR_CLAMP_RADIUS_KM,
-  GROUND_FLOOR_WARM_MAX_ALT_M,
-  POSITION_HISTORY_LIMIT,
-  LANDED_MISSING_POLL_LIMIT,
-  MISSING_POLL_LIMIT,
-  ERROR_BACKOFF_INTERVAL,
-} from './recordPolicy.js';
 import * as Cesium from 'cesium';
 import { EMERGENCY_TINT_CSS } from '../../data/aircraftEmergency.js';
 
diff --git a/src/layers/installations/policy.js b/src/layers/installations/policy.js
index fae021cf3..92da9dd7b 100644
--- a/src/layers/installations/policy.js
+++ b/src/layers/installations/policy.js
@@ -2,8 +2,6 @@ export const LAYER_ID = 'military-installations';
 
 export const REQUEST_DEBOUNCE_MS = 180;
 
-export const MAX_VIEWPORT_DEGREES = 10;
-
 export const MAX_RENDERED = 700;
 
 export const GOOGLE_MILITARY_PLACE_TYPES = new Set(['military_base']);
diff --git a/src/layers/localAdsb/feeds.js b/src/layers/localAdsb/feeds.js
index 4bb4bced7..5899729af 100644
--- a/src/layers/localAdsb/feeds.js
+++ b/src/layers/localAdsb/feeds.js
@@ -5,12 +5,12 @@ import {
 
 /** Same-origin route served by `server/providers/local-receivers.js`. */
 export const LOCAL_RECEIVERS_URL = '/api/local-receivers/aircraft';
-export const LOCAL_RECEIVER_POLL_MS = 1_000;
+const LOCAL_RECEIVER_POLL_MS = 1_000;
 /**
  * Browser-side deadline for one route request, body included. The server
  * bounds each upstream read at 2 s; this bounds the browser-to-server leg.
  */
-export const LOCAL_RECEIVER_REQUEST_TIMEOUT_MS = 5_000;
+const LOCAL_RECEIVER_REQUEST_TIMEOUT_MS = 5_000;
 
 function abortError() {
   const error = new Error('Local receiver request aborted');
diff --git a/src/layers/localAdsb/index.js b/src/layers/localAdsb/index.js
index fcf54b5d5..4db1e2852 100644
--- a/src/layers/localAdsb/index.js
+++ b/src/layers/localAdsb/index.js
@@ -36,18 +36,8 @@ import {
 } from './policy.js';
 import { localAdsbStatus } from './status.js';
 
-export {
-  LAYER_ID as LOCAL_ADSB_LAYER_ID,
-  HEARD_BY_RECEIVER,
-} from './policy.js';
-export {
-  localAdsbCardModel,
-  localAdsbClassLine,
-  localAdsbIsUat,
-  localAdsbReceiverLine,
-  localAdsbTitle,
-} from './card.js';
-export { localAdsbClass } from './enrichment.js';
+export { HEARD_BY_RECEIVER } from './policy.js';
+export { localAdsbCardModel, localAdsbReceiverLine } from './card.js';
 export { localAdsbStatus } from './status.js';
 
 const FEET_TO_METERS = 0.3048;
diff --git a/src/layers/localAdsb/motion.js b/src/layers/localAdsb/motion.js
index 279bef6d3..084f3aa7e 100644
--- a/src/layers/localAdsb/motion.js
+++ b/src/layers/localAdsb/motion.js
@@ -26,7 +26,7 @@ import {
 export const LOCAL_ADSB_HISTORY_MS = 10 * 60_000;
 export const LOCAL_ADSB_HISTORY_POINTS = 600;
 /** A display correction larger than this snaps instead of sliding. */
-export const LOCAL_ADSB_SNAP_M = 3_000;
+const LOCAL_ADSB_SNAP_M = 3_000;
 /** Chord course uses the newest fix at least this much older than the anchor. */
 const CHORD_BASELINE_MS = 2_000;
 /** Turn rate is estimated over this window of heard fixes. */
diff --git a/src/layers/localAdsb/status.js b/src/layers/localAdsb/status.js
index d264c5e15..2e084cffb 100644
--- a/src/layers/localAdsb/status.js
+++ b/src/layers/localAdsb/status.js
@@ -24,7 +24,7 @@ function plural(count, one, many) {
  * @param {object[]} feeds Feed statuses from the route.
  * @returns {string}
  */
-export function describeFeedProblems(feeds) {
+function describeFeedProblems(feeds) {
   const byStatus = new Map();
   for (const feed of feeds) {
     if (feed?.status === 'live') continue;
@@ -41,7 +41,7 @@ export function describeFeedProblems(feeds) {
 }
 
 /** Whether the server reported at least one configured feed. */
-export function feedsConfigured(feedState) {
+function feedsConfigured(feedState) {
   return Boolean(
     feedState?.configured === true &&
     Array.isArray(feedState.feeds) &&
diff --git a/src/layers/military/policy.js b/src/layers/military/policy.js
index f375e5419..bb1d89127 100644
--- a/src/layers/military/policy.js
+++ b/src/layers/military/policy.js
@@ -1,10 +1,3 @@
-export {
-  GROUND_FLOOR_WARM_MAX_ALT_M,
-  POSITION_HISTORY_LIMIT,
-  LANDED_MISSING_POLL_LIMIT,
-  MISSING_POLL_LIMIT,
-  ERROR_BACKOFF_INTERVAL,
-} from './recordPolicy.js';
 import * as Cesium from 'cesium';
 import { EMERGENCY_TINT_CSS } from '../../data/aircraftEmergency.js';
 
diff --git a/src/layers/radio/policy.js b/src/layers/radio/policy.js
index 85777ed74..0d4ad174a 100644
--- a/src/layers/radio/policy.js
+++ b/src/layers/radio/policy.js
@@ -10,7 +10,7 @@ export const MARKER_LIFT_M = 2.5;
 
 export const SELECTED_LIFT_M = 5;
 
-export const RADIO_PICK_TOLERANCE_PX = 8;
+const RADIO_PICK_TOLERANCE_PX = 8;
 
 export const RADIO_TUNER_DIRECTORY_LIMIT = 750;
 
diff --git a/src/layers/recentImagery/model.js b/src/layers/recentImagery/model.js
index 406dc3e19..3fbcf1123 100644
--- a/src/layers/recentImagery/model.js
+++ b/src/layers/recentImagery/model.js
@@ -300,7 +300,7 @@ export function hhmm(iso) {
 }
 
 /** Candidate key: `PRODUCT:YYYY-MM-DD`. */
-export function candidateKey(product, day) {
+function candidateKey(product, day) {
   return `${product}:${day}`;
 }
 
diff --git a/src/layers/satellites/policy.js b/src/layers/satellites/policy.js
index 656374fc6..e7ea5456d 100644
--- a/src/layers/satellites/policy.js
+++ b/src/layers/satellites/policy.js
@@ -94,9 +94,9 @@ export const TRACK_VIEW_FROM_HIGH_SCALE = 4;
  * attribute, so classification costs nothing per frame.
  */
 
-export const POINT_OUTLINE = Cesium.Color.WHITE.withAlpha(0.3);
+const POINT_OUTLINE = Cesium.Color.WHITE.withAlpha(0.3);
 
-export const _classColor = (group) =>
+const _classColor = (group) =>
   Cesium.Color.fromCssColorString(satelliteClassColor(group));
 
 export const POINT_STYLES = {
diff --git a/src/layers/streetLevel/photoViewer.js b/src/layers/streetLevel/photoViewer.js
index c083879db..0ca4e3eb2 100644
--- a/src/layers/streetLevel/photoViewer.js
+++ b/src/layers/streetLevel/photoViewer.js
@@ -17,18 +17,18 @@ const EXPANDED_SELECTORS = [
 ];
 
 /** A photo download (tens of kilobytes to a few megabytes). */
-export const IMAGE_TIMEOUT_MS = 15_000;
+const IMAGE_TIMEOUT_MS = 15_000;
 
 /** A picture file or decoded side past these is refused (a photo is a few MB). */
 export const MAX_IMAGE_BYTES = 48 * 1024 * 1024;
 export const MAX_IMAGE_SIDE = 16_384;
 /** 64 MP: 256 MB once decoded to RGBA. A 16,384 px square is four times that. */
-export const MAX_IMAGE_PIXELS = 8_192 * 8_192;
+const MAX_IMAGE_PIXELS = 8_192 * 8_192;
 /** Where in a file to look for its dimensions (a JPEG's EXIF comes first). */
 const HEADER_BYTES = 256 * 1024;
 
 /** Whether a picture this size is past what the viewer decodes. */
-export function tooManyPixels(width, height) {
+function tooManyPixels(width, height) {
   return (
     width > MAX_IMAGE_SIDE ||
     height > MAX_IMAGE_SIDE ||
@@ -37,7 +37,7 @@ export function tooManyPixels(width, height) {
 }
 
 /** Panorama texture widths: enough for a docked viewer, and for an expanded one. */
-export const PANO_MID_SIZE = Object.freeze([2048, 1024]);
+const PANO_MID_SIZE = Object.freeze([2048, 1024]);
 export const PANO_FULL_SIZE = Object.freeze([4096, 2048]);
 
 /**
@@ -155,7 +155,7 @@ async function loadBitmap(url, timeoutMs, resize, failure, signal) {
  * A picture refused for its size (`tooLarge`): the viewer will not load
  * that file another way, an <img> having no size limit at all.
  */
-export function oversized(failure) {
+function oversized(failure) {
   return Object.assign(new Error(failure), { tooLarge: true });
 }
 
diff --git a/src/layers/streetLevel/providers/kartaview/policy.js b/src/layers/streetLevel/providers/kartaview/policy.js
index 939e0ec1c..b4533c1b5 100644
--- a/src/layers/streetLevel/providers/kartaview/policy.js
+++ b/src/layers/streetLevel/providers/kartaview/policy.js
@@ -14,7 +14,7 @@ export const KARTAVIEW_LABEL = 'KARTAVIEW';
  */
 export const KARTAVIEW_API_HOST = 'https://api.kartaview.org';
 /** KartaView's image proxy: resizes a photo given its base64url address. */
-export const KARTAVIEW_CDN_HOST = 'https://cdn.kartaview.org';
+const KARTAVIEW_CDN_HOST = 'https://cdn.kartaview.org';
 
 /** Stable id prefixes for picked primitives; every one starts with `kv:`. */
 export const PICK_PREFIX = Object.freeze({
@@ -140,8 +140,6 @@ export const MASK_SLOW_MESSAGE = msg(
 export const FILTERED_OUT_MESSAGE = msg(
   'None of KartaView’s photos here pass the imagery filter',
 );
-/** Under the SINCE slider while KartaView is lit. */
-export const SINCE_NOTE = '(by upload date)';
 
 /** The UTC calendar day of `ms`, as KartaView's startDate reads it. */
 function utcDay(ms) {
diff --git a/src/layers/streetLevel/providers/panoramax/index.js b/src/layers/streetLevel/providers/panoramax/index.js
index 4dfa023ef..e855c9c72 100644
--- a/src/layers/streetLevel/providers/panoramax/index.js
+++ b/src/layers/streetLevel/providers/panoramax/index.js
@@ -41,8 +41,6 @@ import {
   normalizeItem,
 } from './policy.js';
 
-export { PANORAMAX_PROVIDER_ID } from './policy.js';
-
 /**
  * A tile's bytes decoded by `decode`; a body that is not a vector tile
  * (an HTML error page, a cut-off answer) reads as such, not as a parser's
diff --git a/src/layers/streetLevel/providers/panoramax/policy.js b/src/layers/streetLevel/providers/panoramax/policy.js
index e9a51c10e..670772c6a 100644
--- a/src/layers/streetLevel/providers/panoramax/policy.js
+++ b/src/layers/streetLevel/providers/panoramax/policy.js
@@ -15,7 +15,7 @@ export const PANORAMAX_LABEL = 'PANORAMAX';
  */
 export const PANORAMAX_API = 'https://api.panoramax.xyz/api';
 /** The meta-catalogue's web viewer, where the caption link goes. */
-export const PANORAMAX_VIEWER = 'https://api.panoramax.xyz/';
+const PANORAMAX_VIEWER = 'https://api.panoramax.xyz/';
 
 /** Stable id prefixes for picked primitives; every one starts with `pnx:`. */
 export const PICK_PREFIX = Object.freeze({
diff --git a/src/layers/streetLevel/registry.js b/src/layers/streetLevel/registry.js
index 6770cd133..5e51929a6 100644
--- a/src/layers/streetLevel/registry.js
+++ b/src/layers/streetLevel/registry.js
@@ -1,6 +1,6 @@
 import { encodeIdSwitches } from '../../data/idSwitches.js';
 
-export const IMAGERY_FILTERS = Object.freeze(['pano', 'since']);
+const IMAGERY_FILTERS = Object.freeze(['pano', 'since']);
 
 export function filtersOf(provider) {
   return provider?.filters ?? IMAGERY_FILTERS;
diff --git a/src/layers/streetLevel/sequenceCones.js b/src/layers/streetLevel/sequenceCones.js
index b18f2cc57..b6c068d49 100644
--- a/src/layers/streetLevel/sequenceCones.js
+++ b/src/layers/streetLevel/sequenceCones.js
@@ -5,8 +5,8 @@ import { createHorizonCull, metresBetween } from './view.js';
 import { msg } from '../../i18n/index.js';
 
 /** Cones closer than this to the previous kept one are dropped. */
-export const IMAGE_CONE_MIN_SPACING_M = 3;
-export const IMAGE_CONE_SIZE_PX = 26;
+const IMAGE_CONE_MIN_SPACING_M = 3;
+const IMAGE_CONE_SIZE_PX = 26;
 
 /**
  * @typedef {object} ConeImage   One image of a sequence, as the cones draw it.
diff --git a/src/layers/streetLevel/tileCache.js b/src/layers/streetLevel/tileCache.js
index d6c0a91e5..6ee0897ef 100644
--- a/src/layers/streetLevel/tileCache.js
+++ b/src/layers/streetLevel/tileCache.js
@@ -1,6 +1,6 @@
 /** Decoded coverage tiles kept, and for how long. */
-export const TILE_CACHE_SIZE = 24;
-export const TILE_CACHE_TTL_MS = 10 * 60_000;
+const TILE_CACHE_SIZE = 24;
+const TILE_CACHE_TTL_MS = 10 * 60_000;
 
 /** Least-recently-used map: reading an entry renews it. */
 export function createLru(limit) {
diff --git a/src/layers/streetLevel/uiState.js b/src/layers/streetLevel/uiState.js
index 577bb8ae1..04c6ed6c4 100644
--- a/src/layers/streetLevel/uiState.js
+++ b/src/layers/streetLevel/uiState.js
@@ -64,7 +64,7 @@ export function keyAlternatives(providers) {
  * The filter controls a switched-on provider honours (both when none is on).
  * @param {Array<ProviderSnapshot>} providers
  */
-export function filterControls(providers) {
+function filterControls(providers) {
   const active = providers.filter((p) => p.on);
   const honoured = (key) =>
     active.length === 0 ||
@@ -78,7 +78,7 @@ export function filterControls(providers) {
  * note needs no provider name.
  * @param {Array<ProviderSnapshot>} providers
  */
-export function sinceNote(providers) {
+function sinceNote(providers) {
   return providers.some((p) => p.on && p.sinceBasis === 'upload')
     ? t('(by upload date)')
     : null;
diff --git a/src/layers/submarineCables/geometry.js b/src/layers/submarineCables/geometry.js
index 08366dba4..b4b434710 100644
--- a/src/layers/submarineCables/geometry.js
+++ b/src/layers/submarineCables/geometry.js
@@ -33,7 +33,7 @@ export function featureReference(feature) {
   };
 }
 
-export function coordsFromProperty(value) {
+function coordsFromProperty(value) {
   if (!Array.isArray(value) || value.length < 2) return null;
   const lon = Number(value[0]);
   const lat = Number(value[1]);
@@ -41,7 +41,7 @@ export function coordsFromProperty(value) {
   return [lon, lat];
 }
 
-export function coordsFromPoint(value) {
+function coordsFromPoint(value) {
   if (!Array.isArray(value) || value.length < 2) return null;
   const lon = Number(value[0]);
   const lat = Number(value[1]);
@@ -49,7 +49,7 @@ export function coordsFromPoint(value) {
   return [lon, lat];
 }
 
-export function collectLonLat(value, out) {
+function collectLonLat(value, out) {
   if (!Array.isArray(value)) return;
   if (typeof value[0] === 'number' && typeof value[1] === 'number') {
     const lon = Number(value[0]);
diff --git a/src/layers/traffic/footprint.js b/src/layers/traffic/footprint.js
index d75947941..9a241d997 100644
--- a/src/layers/traffic/footprint.js
+++ b/src/layers/traffic/footprint.js
@@ -1,9 +1,9 @@
 import * as Cesium from 'cesium';
 import { tilesForBounds, tileToBBox } from '../../data/tomtomTiles.js';
 
-export const RETICLE_RANGE_KM = 10;
-export const RETICLE_TILE_CAP = 16;
-export const tileKey = (tile) => `${tile.z}/${tile.x}/${tile.y}`;
+const RETICLE_RANGE_KM = 10;
+const RETICLE_TILE_CAP = 16;
+const tileKey = (tile) => `${tile.z}/${tile.x}/${tile.y}`;
 const cross = (a, b, c) =>
   (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
 
diff --git a/src/layers/traffic/policy.js b/src/layers/traffic/policy.js
index 81b01f299..c20b15e41 100644
--- a/src/layers/traffic/policy.js
+++ b/src/layers/traffic/policy.js
@@ -175,13 +175,3 @@ export const STYLED_MIN_BASE_PX = 5;
 /** @const {number} Maximum tile cache entries before LRU eviction */
 
 export const TILE_CACHE_MAX_ENTRIES = 64;
-
-/**
- * Milliseconds the first dot paint will wait for flow data. Cached flow
- * settles within this window (decode cache, 120 s TTL) and renders fully
- * colored; a cold tile fetch loses the race, dots paint immediately in
- * white, and recolorDotsInPlace applies the colors when flow arrives —
- * field-test round 1's "takes forever to load" was the sequential wait.
- */
-
-export const FLOW_RENDER_RACE_MS = 250;
diff --git a/src/layers/transit/policy.js b/src/layers/transit/policy.js
index 2fb5101ce..010a2efc2 100644
--- a/src/layers/transit/policy.js
+++ b/src/layers/transit/policy.js
@@ -99,7 +99,7 @@ export const VISIBILITY_REFRESH_MS = 250;
  * on screen. Generous on purpose: a vehicle that crosses the edge mid-glide
  * should already have been moving, not pop into motion at the border.
  */
-export const VIEW_MARGIN_RATIO = 0.6;
+const VIEW_MARGIN_RATIO = 0.6;
 
 /**
  * Whether a vehicle is close enough to the camera's look-at area to be worth
@@ -516,10 +516,10 @@ export function createTransitSelectedOverlayEntry(key, position, copy, mode) {
 }
 
 /** Modes that ordinarily run below the street, drawn on the surface above themselves. */
-export const UNDERGROUND_MODES = new Set(['subway']);
+const UNDERGROUND_MODES = new Set(['subway']);
 
 /** The mode in plain words, for a card a person reads rather than scans. */
-export const TRANSIT_MODE_WORD = Object.freeze({
+const TRANSIT_MODE_WORD = Object.freeze({
   bus: msg('Bus'),
   tram: msg('Tram'),
   subway: msg('Subway'),
@@ -529,7 +529,7 @@ export const TRANSIT_MODE_WORD = Object.freeze({
 });
 
 /** Short, fixed-width mode word for the detection card's class field. */
-export const TRANSIT_MODE_ABBR = Object.freeze({
+const TRANSIT_MODE_ABBR = Object.freeze({
   bus: 'BUS',
   tram: 'TRAM',
   subway: 'METRO',
@@ -588,7 +588,7 @@ export function transitDetectionId(record, feed = null) {
 }
 
 /** Longest route text the single-line detection label can carry. */
-export const DETECTION_ID_MAX_CHARS = 14;
+const DETECTION_ID_MAX_CHARS = 14;
 
 /**
  * Cut long route text with an ellipsis, so a reader can see it was cut.
@@ -600,7 +600,7 @@ export const DETECTION_ID_MAX_CHARS = 14;
  * @param {string} text
  * @returns {string} Uppercase, at most DETECTION_ID_MAX_CHARS characters.
  */
-export function elideRouteText(text) {
+function elideRouteText(text) {
   const value = String(text || '').toUpperCase();
   if (value.length <= DETECTION_ID_MAX_CHARS) return value;
   return `${value.slice(0, DETECTION_ID_MAX_CHARS - 1)}\u2026`;
@@ -659,6 +659,6 @@ export function transitDetectionMetric(
  * @param {number} [nowMs]
  * @returns {string}
  */
-export function transitVehicleState(entry, nowMs = Date.now()) {
+function transitVehicleState(entry, nowMs = Date.now()) {
   return displayMotion(entry, nowMs).word;
 }
diff --git a/src/layers/vessels/policy.js b/src/layers/vessels/policy.js
index 75e5cdd67..9ab06fbb8 100644
--- a/src/layers/vessels/policy.js
+++ b/src/layers/vessels/policy.js
@@ -1,8 +1,3 @@
-export {
-  PARTIAL_RETENTION_MS,
-  SELECTED_PIN_REFRESHES,
-  AIS_FIRST_CONNECT_LABEL,
-} from './recordPolicy.js';
 import { VESSEL_LABEL_GRID_PX } from '../../data/vesselLabels.js';
 import { msg } from '../../i18n/index.js';
 
diff --git a/src/layers/weather/source.js b/src/layers/weather/source.js
index cf004476f..5386bfad7 100644
--- a/src/layers/weather/source.js
+++ b/src/layers/weather/source.js
@@ -4,7 +4,7 @@ import { readResponseJsonCapped } from '../../sources/httpBody.js';
 // the weather layer translates them where it shows them (t / translateKnown).
 const msg = (text) => text;
 
-export const WEATHER_PRODUCTS = Object.freeze([
+const WEATHER_PRODUCTS = Object.freeze([
   'radar',
   'clouds',
   'clouds-regional',
diff --git a/src/layers/wind/gpuRendering.js b/src/layers/wind/gpuRendering.js
index 27d71dcd5..0873fa63b 100644
--- a/src/layers/wind/gpuRendering.js
+++ b/src/layers/wind/gpuRendering.js
@@ -6,8 +6,8 @@ import {
   WIND_NARROW_PATH_LIMIT,
 } from './streamlines.js';
 
-export const WIND_FADE_LOW_METERS = 15000;
-export const WIND_FADE_HIGH_METERS = 60000;
+const WIND_FADE_LOW_METERS = 15000;
+const WIND_FADE_HIGH_METERS = 60000;
 
 // Original material: a persistent fine curve plus a moving, tapered highlight.
 // The integer part of s identifies a path; its fractional part follows the wind.
diff --git a/src/locationStatus.js b/src/locationStatus.js
index 1d90582c9..2c9e406f3 100644
--- a/src/locationStatus.js
+++ b/src/locationStatus.js
@@ -64,5 +64,3 @@ export function locationMiniStatus({
 
   return { ...EMPTY };
 }
-
-export default locationMiniStatus;
diff --git a/src/maps/imageryComparison.js b/src/maps/imageryComparison.js
index 5586bd86e..cf7d266ae 100644
--- a/src/maps/imageryComparison.js
+++ b/src/maps/imageryComparison.js
@@ -1,5 +1,5 @@
 /** Basemap that before/after imagery comparisons are read against. */
-export const IMAGERY_COMPARISON_STACK_ID = 'esri-imagery';
+const IMAGERY_COMPARISON_STACK_ID = 'esri-imagery';
 
 const SWITCH_POLICIES = new Set(['preserve', 'esri', 'esri-if-photoreal']);
 const leases = new WeakMap();
diff --git a/src/maps/terrainRetry.js b/src/maps/terrainRetry.js
index 26fc95576..6cf0fe2af 100644
--- a/src/maps/terrainRetry.js
+++ b/src/maps/terrainRetry.js
@@ -24,7 +24,7 @@
  */
 
 export const TERRAIN_RETRY_ATTEMPTS = 3;
-export const TERRAIN_RETRY_STATUSES = Object.freeze([429, 502, 503, 504]);
+const TERRAIN_RETRY_STATUSES = Object.freeze([429, 502, 503, 504]);
 export const TERRAIN_RETRY_BASE_MS = 750;
 export const TERRAIN_RETRY_MAX_MS = 15_000;
 export const TERRAIN_RETRY_SPREAD_MS = 1_500;
diff --git a/src/scenes/recipes.js b/src/scenes/recipes.js
index 191bb1ac1..ba3940a57 100644
--- a/src/scenes/recipes.js
+++ b/src/scenes/recipes.js
@@ -994,7 +994,7 @@ const PUBLIC_SCENE_RECIPES = [
 ];
 
 /** Build the recipe list without mutating stored user-authored projects. */
-export function createSceneRecipes({ localDemoRecipes = EVENT_RECIPES } = {}) {
+function createSceneRecipes({ localDemoRecipes = EVENT_RECIPES } = {}) {
   return [...localDemoRecipes, ...PUBLIC_SCENE_RECIPES];
 }
 
@@ -1004,7 +1004,7 @@ export const SCENE_APPEND_RECIPES = BHOTE_KOSHI_NEPAL_APPEND_RECIPE
   ? [BHOTE_KOSHI_NEPAL_APPEND_RECIPE]
   : [];
 
-export function getSceneRecipeById(id) {
+function getSceneRecipeById(id) {
   return SCENE_RECIPES.find((recipe) => recipe.id === id) || null;
 }
 
diff --git a/src/sdr/controller.js b/src/sdr/controller.js
index 50fec4a38..019b768a1 100644
--- a/src/sdr/controller.js
+++ b/src/sdr/controller.js
@@ -38,12 +38,12 @@ const READ_PIPELINE_DEPTH = 4;
 const RATE_WINDOW_MS = 1_000;
 // A bulk read that has not completed in this long is treated as a stalled
 // USB transfer: the session is torn down instead of waiting forever.
-export const SDR_READ_STALL_MS = 5_000;
+const SDR_READ_STALL_MS = 5_000;
 // Decoder admission. Every block sent to the worker is numbered and must be
 // acknowledged; past these bounds the receiver stops with an overload error
 // rather than queueing raw IQ the decoder cannot keep up with. Eight 16 ms
 // blocks is 128 ms of input, about forty times the measured decode cost.
-export const SDR_WORKER_ADMISSION = Object.freeze({
+const SDR_WORKER_ADMISSION = Object.freeze({
   maxBlocks: 8,
   maxBytes: 8 * 65_536,
   maxAgeMs: 1_000,
@@ -66,7 +66,7 @@ const DECODER_WINDOW_SAMPLES = 256;
 // raw USB device is closed directly, which aborts any pending transfer. The
 // raw close is bounded by the same deadline, so a teardown settles within
 // twice this even when `USBDevice.close()` itself never settles.
-export const SDR_CLOSE_TIMEOUT_MS = 2_000;
+const SDR_CLOSE_TIMEOUT_MS = 2_000;
 
 /** Tuning presets per receiver mode; gain is a separate per-mode setting. */
 export const SDR_RECEIVER_PRESETS = Object.freeze({
@@ -1912,9 +1912,3 @@ function formatMhz(hz) {
 function positiveModulo(value, divisor) {
   return ((value % divisor) + divisor) % divisor;
 }
-
-export const SDR_FM_BAND = Object.freeze({
-  minHz: FM_MIN_HZ,
-  maxHz: FM_MAX_HZ,
-});
-export const SDR_ADSB_FREQUENCY_HZ = ADSB_FREQUENCY_HZ;
diff --git a/src/sdr/gain.js b/src/sdr/gain.js
index 761edf013..94d525fe2 100644
--- a/src/sdr/gain.js
+++ b/src/sdr/gain.js
@@ -10,7 +10,7 @@
  * about 1 msg/s and 28.0 dB about 9 msg/s on the same antenna.
  */
 
-export const SDR_GAIN_AUTO = 'auto';
+const SDR_GAIN_AUTO = 'auto';
 
 /** R820T tuner gain steps in dB, as listed by librtlsdr. */
 export const R820T_GAIN_STEPS_DB = Object.freeze([
diff --git a/src/sky/stars.js b/src/sky/stars.js
index 9fd5aa698..f4139c3c5 100644
--- a/src/sky/stars.js
+++ b/src/sky/stars.js
@@ -18,7 +18,7 @@ export const STAR_MAX_SIGMA_PX = 1.35;
 /** Peak opacity of the faintest star. */
 export const STAR_MIN_ALPHA = 0.22;
 /** B−V for stars the catalogue gives no colour (a solar-type white). */
-export const STAR_DEFAULT_BV = 0.6;
+const STAR_DEFAULT_BV = 0.6;
 /** Floats per star in the vertex buffer: xyz, σ, rgb, alpha. */
 export const STAR_VERTEX_FLOATS = 8;
 
@@ -76,7 +76,7 @@ export function bvToTemperature(bv) {
 }
 
 /** Black-body colour of a temperature, sRGB 0..1 (Helland's fit). */
-export function temperatureToRgb(kelvin) {
+function temperatureToRgb(kelvin) {
   const t = clamp(kelvin, 1000, 40000) / 100;
   const red = t <= 66 ? 255 : 329.698727446 * (t - 60) ** -0.1332047592;
   const green =
diff --git a/src/sources/adsbRecords.js b/src/sources/adsbRecords.js
index 9c0082700..814da60b2 100644
--- a/src/sources/adsbRecords.js
+++ b/src/sources/adsbRecords.js
@@ -41,12 +41,12 @@ const CATEGORY_PATTERN = /^[A-D][0-7]$/;
 /** A previous accepted fix older than this is no reference for a new one. */
 export const LOCAL_ADSB_REFERENCE_MAX_AGE_MS = 10 * 60_000;
 /** Speed limit (kt) for an aircraft that has not reported a ground speed. */
-export const LOCAL_ADSB_UNKNOWN_SPEED_LIMIT_KT = 1_000;
+const LOCAL_ADSB_UNKNOWN_SPEED_LIMIT_KT = 1_000;
 /** Tighter limit (kt) for light aircraft and rotorcraft without a speed. */
-export const LOCAL_ADSB_SLOW_CATEGORY_LIMIT_KT = 350;
+const LOCAL_ADSB_SLOW_CATEGORY_LIMIT_KT = 350;
 /** Reported ground speed is multiplied by this, plus the margin below. */
-export const LOCAL_ADSB_SPEED_FACTOR = 1.5;
-export const LOCAL_ADSB_SPEED_MARGIN_KT = 50;
+const LOCAL_ADSB_SPEED_FACTOR = 1.5;
+const LOCAL_ADSB_SPEED_MARGIN_KT = 50;
 /** Distance always allowed between two fixes (CPR and reception error). */
 export const LOCAL_ADSB_POSITION_MARGIN_M = 500;
 /**
diff --git a/src/sources/featureGeometry.js b/src/sources/featureGeometry.js
index 429dbe826..a18d5f22f 100644
--- a/src/sources/featureGeometry.js
+++ b/src/sources/featureGeometry.js
@@ -77,7 +77,7 @@ export function simplifyRing(ring, tolM) {
   return out.length >= 4 ? out : ring;
 }
 
-export function douglasPeucker(points, tol) {
+function douglasPeucker(points, tol) {
   const n = points.length;
   if (n < 3) return points.slice();
   // Iterative, index-based (no per-call array slicing / recursion), so a large
@@ -113,7 +113,7 @@ export function douglasPeucker(points, tol) {
   return out;
 }
 
-export function perpDistance(p, a, b) {
+function perpDistance(p, a, b) {
   const dx = b[0] - a[0];
   const dy = b[1] - a[1];
   const len2 = dx * dx + dy * dy;
@@ -149,7 +149,7 @@ export function stitchRing(ways) {
   return endpointGapM(largest) <= allow ? largest : [];
 }
 
-export function largestByArea(components) {
+function largestByArea(components) {
   let best = components[0];
   let bestArea = approximateAreaM2(best);
   for (let i = 1; i < components.length; i += 1) {
@@ -162,7 +162,7 @@ export function largestByArea(components) {
   return best;
 }
 
-export function ringSpanM(chain) {
+function ringSpanM(chain) {
   let minLat = Infinity;
   let maxLat = -Infinity;
   let minLon = Infinity;
@@ -176,7 +176,7 @@ export function ringSpanM(chain) {
   return approximateDistanceM(minLat, minLon, maxLat, maxLon);
 }
 
-export function buildRingComponents(ways) {
+function buildRingComponents(ways) {
   const same = (a, b) =>
     Math.abs(a.lon - b.lon) < 1e-7 && Math.abs(a.lat - b.lat) < 1e-7;
   const remaining = ways.map((w) => w.slice());
@@ -207,7 +207,7 @@ export function buildRingComponents(ways) {
   return components;
 }
 
-export function endpointGapM(chain) {
+function endpointGapM(chain) {
   if (!chain || chain.length < 2) return Infinity;
   const a = chain[0];
   const b = chain[chain.length - 1];
diff --git a/src/sources/openFreeMap.js b/src/sources/openFreeMap.js
index 274c2ace7..00c288a8b 100644
--- a/src/sources/openFreeMap.js
+++ b/src/sources/openFreeMap.js
@@ -24,7 +24,7 @@ const ROAD_TYPES = Object.freeze({
  * OpenMapTiles folds private access into `no`. Tunnels cannot be placed on
  * the surface above them; ramps/bridges remain valid only on a motor road.
  */
-export function isDrivableOpenMapRoad(properties = {}) {
+function isDrivableOpenMapRoad(properties = {}) {
   return (
     Object.hasOwn(ROAD_TYPES, properties.class) &&
     !properties.subclass &&
diff --git a/src/sources/transitHistoryStore.js b/src/sources/transitHistoryStore.js
index 9fe29f59d..cf82835c1 100644
--- a/src/sources/transitHistoryStore.js
+++ b/src/sources/transitHistoryStore.js
@@ -1,7 +1,7 @@
 import { validTransitIdentifier } from './transitHistory.js';
 export { validTransitIdentifier } from './transitHistory.js';
 /** Bounded, process-local operator position history. No upstream or scene access. */
-export const TRANSIT_HISTORY_LIMITS = Object.freeze({
+const TRANSIT_HISTORY_LIMITS = Object.freeze({
   retentionMs: 900000,
   fixes: 128,
   feedBytes: 16 * 1024 * 1024,
diff --git a/src/testSupport/kartaViewFakes.mjs b/src/testSupport/kartaViewFakes.mjs
index a2e6452f6..326ba9d77 100644
--- a/src/testSupport/kartaViewFakes.mjs
+++ b/src/testSupport/kartaViewFakes.mjs
@@ -1,7 +1,7 @@
 // DOM stand-ins for the KartaView viewer's tests (no browser in Node).
 
 /** A DOM element with what the viewer touches: children, events, attributes. */
-export function fakeElement(tag) {
+function fakeElement(tag) {
   const listeners = new Map();
   const element = {
     tagName: tag.toUpperCase(),
diff --git a/src/tools/queries/panelRequest.js b/src/tools/queries/panelRequest.js
index 3864c9889..51ecd6406 100644
--- a/src/tools/queries/panelRequest.js
+++ b/src/tools/queries/panelRequest.js
@@ -55,7 +55,7 @@ const COMPRESS_MIN_BYTES = 1024;
  * rather than fail; past `PANEL_QUEUED_REQUESTS` waiting, they are refused.
  */
 export const PANEL_CONCURRENT_REQUESTS = 6;
-export const PANEL_QUEUED_REQUESTS = 256;
+const PANEL_QUEUED_REQUESTS = 256;
 
 /**
  * Each server's panel state: bodies too large for one call, kept for the
diff --git a/src/tools/queries/share.js b/src/tools/queries/share.js
index 0c59ca7f0..5284e8a06 100644
--- a/src/tools/queries/share.js
+++ b/src/tools/queries/share.js
@@ -7,7 +7,7 @@ import { AREA_SCHEMA, resolveArea } from '../area.js';
 import { cameraForArea, cameraLookingAt } from '../views.js';
 
 /** Tool arguments that describe a view: an area to frame, or a camera. */
-export const VIEW_ARGUMENTS = Object.freeze({
+const VIEW_ARGUMENTS = Object.freeze({
   view: Object.freeze({
     type: 'object',
     description:
diff --git a/src/ui/cameraOrientationControls.js b/src/ui/cameraOrientationControls.js
index 0fb67f1d4..d10bacf2f 100644
--- a/src/ui/cameraOrientationControls.js
+++ b/src/ui/cameraOrientationControls.js
@@ -107,7 +107,7 @@ export function readCameraTargetFrame(viewer) {
 }
 
 /** Apply an orbit frame, then return the camera to Cesium's fixed-world frame. */
-export function setCameraTargetFrame(viewer, frame) {
+function setCameraTargetFrame(viewer, frame) {
   const camera = viewer?.camera;
   if (!camera || !frame?.target || !Number.isFinite(frame.range)) return false;
   try {
@@ -156,7 +156,7 @@ export function setCameraTargetFrame(viewer, frame) {
  *
  * @param {{pitch: number}|null} frame From {@link readCameraTargetFrame}.
  */
-export function frameIsTilted(frame) {
+function frameIsTilted(frame) {
   const pitch = Number(frame?.pitch);
   return Number.isFinite(pitch) ? pitch > OBLIQUE_THRESHOLD : false;
 }
diff --git a/src/ui/cctvFrames.js b/src/ui/cctvFrames.js
index ac6687f54..33818984d 100644
--- a/src/ui/cctvFrames.js
+++ b/src/ui/cctvFrames.js
@@ -46,7 +46,7 @@ const SOURCE_LABELS = Object.freeze({
 });
 
 /** "SNAPSHOT" / "СНИМОК"; unknown codes (HLS, MJPEG…) stay as uppercase codes. */
-export function cctvSourceKindLabel(kind) {
+function cctvSourceKindLabel(kind) {
   const key = String(kind || 'unknown').toLowerCase();
   return SOURCE_KIND_LABELS[key]
     ? t(SOURCE_KIND_LABELS[key])
diff --git a/src/ui/statusText.js b/src/ui/statusText.js
index b0899d55e..677c9b886 100644
--- a/src/ui/statusText.js
+++ b/src/ui/statusText.js
@@ -218,7 +218,7 @@ function statusPatternText(piece) {
 }
 
 /** One piece of a status line in the UI language, or as it came. */
-export function translateStatusPiece(piece) {
+function translateStatusPiece(piece) {
   const known = translateKnown(piece);
   if (known !== piece) return known;
   return statusPatternText(piece) ?? piece;
diff --git a/src/voice/deixis.js b/src/voice/deixis.js
index d68fcd61a..25d7939eb 100644
--- a/src/voice/deixis.js
+++ b/src/voice/deixis.js
@@ -18,7 +18,7 @@
 
 import { finiteOrNull } from './pointerContext.js';
 
-export const POINTER_SENTINEL = 'pointer';
+const POINTER_SENTINEL = 'pointer';
 
 const TRACKABLE_LAYERS = new Set([
   'flights',
diff --git a/src/voice/narration.js b/src/voice/narration.js
index a91dbbe2b..ae97931f7 100644
--- a/src/voice/narration.js
+++ b/src/voice/narration.js
@@ -4,7 +4,7 @@ import { progressLine } from './speech.js';
  * Timing policy for filling silence while tools run. Tuned against the turn
  * spans' `max_silence_ms`.
  */
-export const NARRATION_TIMING = Object.freeze({
+const NARRATION_TIMING = Object.freeze({
   /** Start the earcon when nothing is audible this long after end of speech. */
   earconAfterMs: 700,
   /** First spoken progress line when a tool is still running after this. */
diff --git a/src/voice/pointerContext.js b/src/voice/pointerContext.js
index 3f9d09b6d..590e33a52 100644
--- a/src/voice/pointerContext.js
+++ b/src/voice/pointerContext.js
@@ -20,15 +20,15 @@
  */
 
 /** Movement below this many CSS pixels is still the same dwell. */
-export const POINTER_DWELL_PX = 12;
+const POINTER_DWELL_PX = 12;
 /** Stillness that makes a dwell point. */
 export const POINTER_DWELL_MS = 250;
 /** A resting pointer stays a referent this long after it last moved. */
 export const POINTER_FRESH_MS = 30000;
 /** Pixels from the canvas edge that count as "parked", never a referent. */
-export const POINTER_EDGE_PX = 8;
+const POINTER_EDGE_PX = 8;
 /** A dwell pick is reused by a snapshot only while this recent (contacts move). */
-export const POINTER_DWELL_REUSE_MS = 1000;
+const POINTER_DWELL_REUSE_MS = 1000;
 /**
  * Open mic has no gesture, so the pointer only counts when it moved or
  * settled on the map this recently: a cursor resting there for minutes is
@@ -76,7 +76,7 @@ export function cameraPoseKey(viewer) {
 }
 
 /** Bound and de-control a label before it goes to the model or the card. */
-export function pointerLabel(value, max = LABEL_MAX) {
+function pointerLabel(value, max = LABEL_MAX) {
   const clean = String(value ?? '')
     .replace(/[\p{Cc}\p{Cf}]+/gu, ' ')
     .replace(/\s+/g, ' ')
diff --git a/src/voice/pointerPick.js b/src/voice/pointerPick.js
index 33ccab9cb..e74671eda 100644
--- a/src/voice/pointerPick.js
+++ b/src/voice/pointerPick.js
@@ -4,7 +4,7 @@ import { cameraPoseKey } from './pointerContext.js';
 import * as defaultAnnotationResolver from '../annotations/annotationResolver.js';
 
 /** "Around here" radius as a share of camera height, clamped to sane bounds. */
-export function pointerRadiusKm(cameraHeightM) {
+function pointerRadiusKm(cameraHeightM) {
   const heightKm = Number(cameraHeightM) / 1000;
   if (!Number.isFinite(heightKm) || heightKm <= 0) return 50;
   return Math.round(Math.min(400, Math.max(5, heightKm * 0.75)));
diff --git a/src/voice/pointerReticle.js b/src/voice/pointerReticle.js
index 96729a933..0702d7345 100644
--- a/src/voice/pointerReticle.js
+++ b/src/voice/pointerReticle.js
@@ -14,7 +14,7 @@ export const RETICLE_MAX_MS = 10000;
 export const RETICLE_LINGER_MS = 1500;
 
 /** Tools that move the camera away from the pointed spot. */
-export const CAMERA_TOOLS = new Set([
+const CAMERA_TOOLS = new Set([
   'fly_to_location',
   'track_entity',
   'zoom_to_globe',
diff --git a/src/voice/realtimeDiagnostics.js b/src/voice/realtimeDiagnostics.js
index 630e29433..55e078280 100644
--- a/src/voice/realtimeDiagnostics.js
+++ b/src/voice/realtimeDiagnostics.js
@@ -1,10 +1,10 @@
-export const ERROR_LOG_LIMIT = 30;
+const ERROR_LOG_LIMIT = 30;
 
-export const ERROR_STORAGE_KEY = 'gev-realtime-errors';
+const ERROR_STORAGE_KEY = 'gev-realtime-errors';
 
-export const DEBUG_LOG_URL = '/api/realtime/debug-log';
+const DEBUG_LOG_URL = '/api/realtime/debug-log';
 
-export function createDebugSessionId() {
+function createDebugSessionId() {
   const randomPart = Math.random().toString(36).slice(2, 10);
   return `gev-${Date.now().toString(36)}-${randomPart}`;
 }
@@ -47,7 +47,7 @@ export function sanitizeDebugValue(value, depth = 0) {
   return output;
 }
 
-export function sanitizeDebugString(value) {
+function sanitizeDebugString(value) {
   if (value.startsWith('data:image/')) {
     return `[Redacted image data URL, ${value.length} chars]`;
   }
@@ -65,13 +65,13 @@ export function sanitizeDebugString(value) {
     : redacted;
 }
 
-export function isSecretLikeKey(key) {
+function isSecretLikeKey(key) {
   return /(?:api[_-]?key|authorization|bearer|client[_-]?secret|token|secret|password)/i.test(
     key,
   );
 }
 
-export function createErrorRecord(source, error, extra = {}) {
+function createErrorRecord(source, error, extra = {}) {
   const rtcError = error?.error || error;
   return {
     timestamp: new Date().toISOString(),
@@ -90,7 +90,7 @@ export function createErrorRecord(source, error, extra = {}) {
   };
 }
 
-export function formatErrorForDisplay(record) {
+function formatErrorForDisplay(record) {
   const primary = [record.source, record.message].filter(Boolean).join(': ');
   const state = [
     record.errorDetail && `detail=${record.errorDetail}`,
@@ -105,7 +105,7 @@ export function formatErrorForDisplay(record) {
   return state ? `${primary}\n${state}` : primary;
 }
 
-export function removeEmptyValues(value) {
+function removeEmptyValues(value) {
   return Object.fromEntries(
     Object.entries(value || {}).filter(
       ([, item]) => item !== null && item !== undefined && item !== '',
@@ -113,14 +113,7 @@ export function removeEmptyValues(value) {
   );
 }
 
-export function compactText(value, maxLength) {
-  const text = String(value || '')
-    .replace(/\s+/g, ' ')
-    .trim();
-  return text.length <= maxLength ? text : `${text.slice(0, maxLength - 1)}…`;
-}
-
-export function loadStoredErrors() {
+function loadStoredErrors() {
   try {
     const value = JSON.parse(localStorage.getItem(ERROR_STORAGE_KEY) || '[]');
     return Array.isArray(value) ? value.slice(0, ERROR_LOG_LIMIT) : [];
@@ -129,7 +122,7 @@ export function loadStoredErrors() {
   }
 }
 
-export function storeErrors(errors) {
+function storeErrors(errors) {
   try {
     localStorage.setItem(
       ERROR_STORAGE_KEY,
diff --git a/src/voice/realtimePreferences.js b/src/voice/realtimePreferences.js
index 1d4d1dd23..d3b78a922 100644
--- a/src/voice/realtimePreferences.js
+++ b/src/voice/realtimePreferences.js
@@ -8,12 +8,12 @@ import {
 
 // Voice cost control (repo-wide `godsEyeView.<feature>.<field>` convention;
 // the neighbouring ERROR_STORAGE_KEY predates it).
-export const VOICE_TIER_STORAGE_KEY = 'godsEyeView.voiceCost.tier';
+const VOICE_TIER_STORAGE_KEY = 'godsEyeView.voiceCost.tier';
 
-export const VOICE_LIMITS_STORAGE_KEY = 'godsEyeView.voiceCost.limits';
+const VOICE_LIMITS_STORAGE_KEY = 'godsEyeView.voiceCost.limits';
 
 /** Best-effort localStorage handle; absent in tests and locked-down browsers. */
-export function voiceStorage(storage) {
+function voiceStorage(storage) {
   if (storage) return storage;
   try {
     return typeof localStorage === 'undefined' ? null : localStorage;
diff --git a/src/voice/realtimeTurns.js b/src/voice/realtimeTurns.js
index cbc8d5dbc..2073be06d 100644
--- a/src/voice/realtimeTurns.js
+++ b/src/voice/realtimeTurns.js
@@ -13,7 +13,7 @@ import {
 import { narrationLabel } from './speech.js';
 
 /** Out-of-band progress responses carry this metadata tag. */
-export const PROGRESS_RESPONSE_TAG = 'progress';
+const PROGRESS_RESPONSE_TAG = 'progress';
 
 /**
  * Speaks one code-authored progress line out of band. The line travels as
diff --git a/src/voice/realtimeViewport.js b/src/voice/realtimeViewport.js
index 755913906..e229b6cc2 100644
--- a/src/voice/realtimeViewport.js
+++ b/src/voice/realtimeViewport.js
@@ -5,17 +5,17 @@ import {
 import { cameraPoseKey } from './pointerContext.js';
 
 /** The live viewer's camera pose identity (Cesium-free read). */
-export function readViewerCameraKey() {
+function readViewerCameraKey() {
   return cameraPoseKey(globalThis.window?.__godsEyeView?.viewer);
 }
 // Viewport-screenshot size guards (M13). The old code clamped WIDTH only, so a
 // tall portrait window produced an oversized capture whose dc.send could throw.
 // Cap total pixels (clamps both dimensions) and drop the image entirely if the
 // encoded data URL is still too big for the data channel.
-export const VIEWPORT_MAX_PIXELS = 1200 * 900;
+const VIEWPORT_MAX_PIXELS = 1200 * 900;
 
 // ~1.08 MP, matches the old 1200px-wide landscape budget
-export const VIEWPORT_MAX_ENCODED_BYTES = 200 * 1024;
+const VIEWPORT_MAX_ENCODED_BYTES = 200 * 1024;
 
 export async function captureViewportImage() {
   const viewer = window.__godsEyeView?.viewer;
@@ -66,11 +66,11 @@ export async function captureViewportImage() {
 }
 
 /** Side of the point-and-ask crop, in CSS pixels, and its output size. */
-export const POINTER_CROP_SIZE = 512;
+const POINTER_CROP_SIZE = 512;
 /** A pointer snapshot older than this no longer matches the frame. */
-export const POINTER_CROP_MAX_AGE_MS = 20000;
+const POINTER_CROP_MAX_AGE_MS = 20000;
 /** View scales where a crop shows buildings and terrain, not a smear. */
-export const POINTER_CROP_SCALES = new Set(['local', 'city']);
+const POINTER_CROP_SCALES = new Set(['local', 'city']);
 
 /**
  * Square source rectangle around a canvas point, clamped inside the canvas,
@@ -128,7 +128,7 @@ export function pointerCropRect({
  * @returns {Promise<{dataUrl: string, rect: object}|null>} JPEG data URL and
  *   the crop's normalized bounds in the full canvas, or null.
  */
-export async function capturePointerCrop(screenPx) {
+async function capturePointerCrop(screenPx) {
   const viewer = window.__godsEyeView?.viewer;
   const source = viewer?.scene?.canvas;
   if (!source?.width || !source?.height || !screenPx) return null;
@@ -259,7 +259,7 @@ export async function renderFreshCesiumFrame(viewer) {
   }
 }
 
-export function isNearlyBlackFrame(ctx, width, height) {
+function isNearlyBlackFrame(ctx, width, height) {
   const sampleWidth = Math.min(48, width);
   const sampleHeight = Math.min(32, height);
   if (!sampleWidth || !sampleHeight) return true;
diff --git a/src/voice/resultDisplay.js b/src/voice/resultDisplay.js
index 642db2bb4..ac99f86d7 100644
--- a/src/voice/resultDisplay.js
+++ b/src/voice/resultDisplay.js
@@ -59,7 +59,7 @@ function notesOf(...values) {
   ];
 }
 
-export function analystNounFor(layerKeys) {
+function analystNounFor(layerKeys) {
   const keys = [...new Set(layerKeys.filter(Boolean))];
   if (keys.length !== 1) return 'results';
   const key = keys[0];
diff --git a/src/voice/speechLint.js b/src/voice/speechLint.js
index 9b6c02ab4..f1b1c1878 100644
--- a/src/voice/speechLint.js
+++ b/src/voice/speechLint.js
@@ -7,7 +7,7 @@
  * Phrases that add length without adding an answer. Tool numbers are spoken
  * verbatim, so approximations are hedges too.
  */
-export const HEDGE_PHRASES = Object.freeze([
+const HEDGE_PHRASES = Object.freeze([
   'keep in mind',
   "it's worth noting",
   'it is worth noting',
diff --git a/src/voice/turnMetrics.js b/src/voice/turnMetrics.js
index 13e9c6940..b2c447cee 100644
--- a/src/voice/turnMetrics.js
+++ b/src/voice/turnMetrics.js
@@ -1,7 +1,7 @@
 import { countWords, findHedges } from './speechLint.js';
 
 /** Quiet period after the last audio or response before a turn is closed. */
-export const TURN_SETTLE_MS = 2500;
+const TURN_SETTLE_MS = 2500;
 
 /**
  * Per-turn latency and speech spans for one voice session.
diff --git a/src/voice/voiceCard.js b/src/voice/voiceCard.js
index 72b754287..09619bb54 100644
--- a/src/voice/voiceCard.js
+++ b/src/voice/voiceCard.js
@@ -5,7 +5,7 @@ import {
 } from './voiceCardPresentation.js';
 
 /** Hide an idle card this long after its last update. */
-export const VOICE_CARD_IDLE_MS = 14000;
+const VOICE_CARD_IDLE_MS = 14000;
 
 const ELEMENT_IDS = Object.freeze({
   card: 'gev-voice-card',