diff --git a/lib/types/thread-types-enum.js b/lib/types/thread-types-enum.js
--- a/lib/types/thread-types-enum.js
+++ b/lib/types/thread-types-enum.js
@@ -78,7 +78,9 @@
   threadTypes.COMMUNITY_SECRET_ANNOUNCEMENT_SUBTHREAD,
 ]);
 
-export function threadTypeIsCommunityRoot(threadType: ThreadType): boolean {
+export function threadTypeIsCommunityRoot(
+  threadType: ThreadType | number,
+): boolean {
   return communityThreadTypes.includes(threadType);
 }
 
diff --git a/native/redux/persist.js b/native/redux/persist.js
--- a/native/redux/persist.js
+++ b/native/redux/persist.js
@@ -16,6 +16,11 @@
   convertConnectionInfoToNewIDSchema,
 } from 'lib/_generated/migration-utils.js';
 import { extractKeyserverIDFromID } from 'lib/keyserver-conn/keyserver-call-utils.js';
+import {
+  communityStoreOpsHandlers,
+  type ClientDBCommunityStoreOperation,
+  type ReplaceCommunityOperation,
+} from 'lib/ops/community-store-ops.js';
 import {
   type ClientDBKeyserverStoreOperation,
   keyserverStoreOpsHandlers,
@@ -53,6 +58,7 @@
   DEPRECATED_unshimMessageStore,
   unshimFunc,
 } from 'lib/shared/unshim-utils.js';
+import type { CommunityInfo } from 'lib/types/community-types.js';
 import { defaultEnabledApps } from 'lib/types/enabled-apps.js';
 import { defaultCalendarQuery } from 'lib/types/entry-types.js';
 import { defaultCalendarFilters } from 'lib/types/filter-types.js';
@@ -75,6 +81,7 @@
 } from 'lib/types/report-types.js';
 import { defaultConnectionInfo } from 'lib/types/socket-types.js';
 import { defaultGlobalThemeInfo } from 'lib/types/theme-types.js';
+import { threadTypeIsCommunityRoot } from 'lib/types/thread-types-enum.js';
 import type {
   ClientDBThreadInfo,
   LegacyRawThreadInfo,
@@ -1126,6 +1133,42 @@
     }
     return newState;
   },
+  [64]: async (state: AppState) => {
+    const clientDBThreadInfos = commCoreModule.getAllThreadsSync();
+
+    const replaceOperations: $ReadOnlyArray<ReplaceCommunityOperation> =
+      clientDBThreadInfos
+        .filter(threadInfo => threadTypeIsCommunityRoot(threadInfo.type))
+        .map(threadInfo => {
+          const communityInfo: CommunityInfo = {
+            enabledApps: defaultEnabledApps,
+          };
+          return {
+            type: 'replace_community',
+            payload: {
+              id: threadInfo.id,
+              communityInfo,
+            },
+          };
+        });
+
+    const dbOperations: $ReadOnlyArray<ClientDBCommunityStoreOperation> =
+      communityStoreOpsHandlers.convertOpsToClientDBOps([
+        { type: 'remove_all_communities' },
+        ...replaceOperations,
+      ]);
+
+    try {
+      await commCoreModule.processCommunityStoreOperations(dbOperations);
+    } catch (exception) {
+      if (isTaskCancelledError(exception)) {
+        return state;
+      }
+      return handleReduxMigrationFailure(state);
+    }
+
+    return state;
+  },
 };
 
 // After migration 31, we'll no longer want to persist `messageStore.messages`
@@ -1193,7 +1236,7 @@
   storage: AsyncStorage,
   blacklist: persistBlacklist,
   debug: __DEV__,
-  version: 63,
+  version: 64,
   transforms: [
     messageStoreMessagesBlocklistTransform,
     reportStoreTransform,
diff --git a/web/redux/persist.js b/web/redux/persist.js
--- a/web/redux/persist.js
+++ b/web/redux/persist.js
@@ -5,6 +5,11 @@
 import storage from 'redux-persist/es/storage/index.js';
 import type { PersistConfig } from 'redux-persist/src/types.js';
 
+import {
+  communityStoreOpsHandlers,
+  type ClientDBCommunityStoreOperation,
+  type ReplaceCommunityOperation,
+} from 'lib/ops/community-store-ops.js';
 import {
   type ClientDBKeyserverStoreOperation,
   keyserverStoreOpsHandlers,
@@ -15,10 +20,13 @@
   type StorageMigrationFunction,
 } from 'lib/shared/create-async-migrate.js';
 import { keyserverStoreTransform } from 'lib/shared/transforms/keyserver-store-transform.js';
+import type { CommunityInfo } from 'lib/types/community-types.js';
+import { defaultEnabledApps } from 'lib/types/enabled-apps.js';
 import type { KeyserverInfo } from 'lib/types/keyserver-types.js';
 import { cookieTypes } from 'lib/types/session-types.js';
 import { defaultConnectionInfo } from 'lib/types/socket-types.js';
 import { defaultGlobalThemeInfo } from 'lib/types/theme-types.js';
+import { threadTypeIsCommunityRoot } from 'lib/types/thread-types-enum.js';
 import { parseCookies } from 'lib/utils/cookie-utils.js';
 import { isDev } from 'lib/utils/dev-utils.js';
 import { wipeKeyserverStore } from 'lib/utils/keyserver-store-utils.js';
@@ -48,6 +56,7 @@
   'keyserverStore',
   'globalThemeInfo',
   'customServer',
+  'communityStore',
 ];
 
 function handleReduxMigrationFailure(oldState: AppState): AppState {
@@ -261,6 +270,56 @@
       return handleReduxMigrationFailure(state);
     }
   },
+  [12]: async (state: AppState) => {
+    const databaseModule = await getDatabaseModule();
+    const isDatabaseSupported = await databaseModule.isDatabaseSupported();
+
+    if (!isDatabaseSupported) {
+      return state;
+    }
+
+    const clientDBStores = await databaseModule.schedule({
+      type: workerRequestMessageTypes.GET_CLIENT_STORE,
+    });
+    invariant(clientDBStores?.store, 'Stores should exist');
+
+    const threadInfos = clientDBStores.store.threads;
+
+    const replaceOperations: $ReadOnlyArray<ReplaceCommunityOperation> =
+      threadInfos
+        .filter(threadInfo => threadTypeIsCommunityRoot(threadInfo.type))
+        .map(threadInfo => {
+          const communityInfo: CommunityInfo = {
+            enabledApps: defaultEnabledApps,
+          };
+          return {
+            type: 'replace_community',
+            payload: {
+              id: threadInfo.id,
+              communityInfo,
+            },
+          };
+        });
+
+    const commmunityStoreOperations: $ReadOnlyArray<ClientDBCommunityStoreOperation> =
+      communityStoreOpsHandlers.convertOpsToClientDBOps([
+        { type: 'remove_all_communities' },
+        ...replaceOperations,
+      ]);
+
+    try {
+      await databaseModule.schedule({
+        type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
+        storeOperations: {
+          communityStoreOperations: commmunityStoreOperations,
+        },
+      });
+      return state;
+    } catch (e) {
+      console.log(e);
+      return handleReduxMigrationFailure(state);
+    }
+  },
 };
 
 const rootKey = 'root';
@@ -307,7 +366,7 @@
     { debug: isDev },
     migrateStorageToSQLite,
   ): any),
-  version: 11,
+  version: 12,
   transforms: [keyserverStoreTransform],
 };