diff --git a/src/sidebar/store/modules/filters.ts b/src/sidebar/store/modules/filters.ts
index 51df0da9371..f14e0b2c380 100644
--- a/src/sidebar/store/modules/filters.ts
+++ b/src/sidebar/store/modules/filters.ts
@@ -176,16 +176,6 @@ const reducers = {
       focusActive,
     };
   },
-
-  // Actions defined in other modules
-
-  CLEAR_SELECTION() {
-    return {
-      filters: {},
-      focusActive: new Set<FilterKey>(),
-      query: null,
-    };
-  },
 };
 
 // Action creators
diff --git a/src/sidebar/store/modules/test/filters-test.js b/src/sidebar/store/modules/test/filters-test.js
index 6fd6d16d891..4e1fa71add7 100644
--- a/src/sidebar/store/modules/test/filters-test.js
+++ b/src/sidebar/store/modules/test/filters-test.js
@@ -179,22 +179,6 @@ describe('sidebar/store/modules/filters', () => {
         assert.deepEqual(store.getFocusActive(), new Set(['user', 'page']));
       });
     });
-
-    describe('CLEAR_SELECTION', () => {
-      it('responds to CLEAR_SELECTION by clearing filters and focus', () => {
-        store.changeFocusModeUser({
-          username: 'testuser',
-          displayName: 'Test User',
-        });
-        store.toggleFocusMode({ active: true });
-
-        assert.deepEqual(store.getFocusActive(), new Set(['user']));
-
-        store.clearSelection();
-
-        assert.deepEqual(store.getFocusActive(), new Set());
-      });
-    });
   });
 
   describe('selectors', () => {