diff --git a/client/src/components/Planner/PlacesSidebarHeader.tsx b/client/src/components/Planner/PlacesSidebarHeader.tsx
index 9702fcabe..70d18fd78 100644
--- a/client/src/components/Planner/PlacesSidebarHeader.tsx
+++ b/client/src/components/Planner/PlacesSidebarHeader.tsx
@@ -9,7 +9,7 @@ import { tintOf } from './planParts'
 import { CategoryTile } from './PlacesBulkCategoryModal'
 import type { PlacesFilter, SidebarState } from './usePlacesSidebar'
 import { PLACES_SORTS, type PlacesSort } from './placesSort'
-import { RATING_FLOORS } from '../../utils/placesFilter'
+import { RATING_FLOORS, UNCATEGORIZED } from '../../utils/placesFilter'
 
 /**
  * Below this the two labels stop fitting side by side and both buttons fall back
@@ -259,7 +259,7 @@ function CategoryFilter(S: SidebarState) {
   let label = t('places.allCategories')
   if (categoryFilters.size === 1) {
     const only = categories.find(c => categoryFilters.has(String(c.id)))
-    if (categoryFilters.has('uncategorized')) label = t('places.noCategory')
+    if (categoryFilters.has(UNCATEGORIZED)) label = t('places.noCategory')
     else if (only) label = only.name
   } else if (categoryFilters.size > 1) {
     label = `${categoryFilters.size} ${t('places.categoriesSelected')}`
@@ -278,8 +278,8 @@ function CategoryFilter(S: SidebarState) {
       ))}
       {places.some(p => p.category_id == null) && (
         <CategoryChoice
-          on={categoryFilters.has('uncategorized')}
-          onClick={() => toggleCategoryFilter('uncategorized')}
+          on={categoryFilters.has(UNCATEGORIZED)}
+          onClick={() => toggleCategoryFilter(UNCATEGORIZED)}
           tile={<CategoryTile size={22} />}
           label={t('places.noCategory')}
         />
diff --git a/client/src/mobile/screens/trip/places/placesBrowserModel.test.ts b/client/src/mobile/screens/trip/places/placesBrowserModel.test.ts
index 52a6dc005..f6607f302 100644
--- a/client/src/mobile/screens/trip/places/placesBrowserModel.test.ts
+++ b/client/src/mobile/screens/trip/places/placesBrowserModel.test.ts
@@ -1,8 +1,9 @@
 import { describe, it, expect } from 'vitest'
 import {
-  filterPool, firstPlannedDayNumbers, matchesCategoryFilter, matchesSearch,
+  filterPool, firstPlannedDayNumbers, matchesSearch,
   plannedPlaceIds, poolCounts,
 } from './placesBrowserModel'
+import { matchesCategoryFilter } from '../../../../utils/placesFilter'
 import type { AssignmentsMap, Day, Place } from '../../../../types'
 
 const mkPlace = (id: number, over: Partial<Place> = {}): Place =>
diff --git a/client/src/mobile/screens/trip/places/placesBrowserModel.ts b/client/src/mobile/screens/trip/places/placesBrowserModel.ts
index 851f0fe0f..000e334b9 100644
--- a/client/src/mobile/screens/trip/places/placesBrowserModel.ts
+++ b/client/src/mobile/screens/trip/places/placesBrowserModel.ts
@@ -17,9 +17,6 @@ import {
  * there.
  */
 
-/** Kept under this name for the browser's callers; the predicate itself lives in utils/placesFilter. */
-export { matchesCategoryFilter }
-
 export function plannedPlaceIds(
   assignments: AssignmentsMap,
   accommodations: PlannedAccommodation[] = [],
diff --git a/shared/src/i18n/en/places.ts b/shared/src/i18n/en/places.ts
index 33241eb1d..188eea970 100644
--- a/shared/src/i18n/en/places.ts
+++ b/shared/src/i18n/en/places.ts
@@ -61,10 +61,12 @@ const places: TranslationStrings = {
   'places.sortUpdated': 'Recently changed',
   'places.filterByLocation': 'Filter by country or region',
   'places.allLocations': 'All countries',
-  /** The button that opens the filter panel, and the panel's name. */
   /** Label over the all/unplanned/planned/tracks choice in the filter panel. */
   'places.filterShow': 'Show',
-  /** The phone map's button that opens the places filter sheet, and the sheet's title. */
+  /**
+   * The button that opens the places filter panel, and the panel's name: the phone
+   * map's control and the title of its sheet, and the phone places list's panel button.
+   */
   'places.filters': 'Filters',
   'places.clearSearch': 'Clear search',
   'places.yourRating': 'Your rating',