diff --git a/app/store/sync.ts b/app/store/sync.ts
index af7888d57..d22d6baf8 100644
--- a/app/store/sync.ts
+++ b/app/store/sync.ts
@@ -127,164 +127,6 @@ export const useSyncStore = createPersistStore(
     name: StoreKey.Sync,
     version: 1.2,
 
-    migrate(persistedState, version) {
-      const newState = persistedState as typeof DEFAULT_SYNC_STATE;
-
-      if (version < 1.1) {
-        newState.upstash.username = STORAGE_KEY;
-      }
-
-      if (version < 1.2) {
-        if (
-          (persistedState as typeof DEFAULT_SYNC_STATE).proxyUrl ===
-          "/api/cors/"
-        ) {
-          newState.proxyUrl = "";
-        }
-      }
-
-      return newState as any;
-    },
-  },
-);
-
-```
-
-**Output:**
-<!-- prettier-ignore -->
-```tsx
-import { getClientConfig } from "../config/client";
-import { Updater } from "../typing";
-import { ApiPath, STORAGE_KEY, StoreKey } from "../constant";
-import { createPersistStore } from "../utils/store";
-import {
-  AppState,
-  getLocalAppState,
-  GetStoreState,
-  mergeAppState,
-  setLocalAppState,
-} from "../utils/sync";
-import { downloadAs, readFromFile } from "../utils";
-import { showToast } from "../components/ui-lib";
-import Locale from "../locales";
-import { createSyncClient, ProviderType } from "../utils/cloud";
-import { corsPath } from "../utils/cors";
-
-export interface WebDavConfig {
-  server: string;
-  username: string;
-  password: string;
-}
-
-const isApp = !!getClientConfig()?.isApp;
-export type SyncStore = GetStoreState<typeof useSyncStore>;
-
-const DEFAULT_SYNC_STATE = {
-  provider: ProviderType.WebDAV,
-  useProxy: true,
-  proxyUrl: corsPath(ApiPath.Cors),
-
-  webdav: {
-    endpoint: "",
-    username: "",
-    password: "",
-  },
-
-  upstash: {
-    endpoint: "",
-    username: STORAGE_KEY,
-    apiKey: "",
-  },
-
-  lastSyncTime: 0,
-  lastProvider: "",
-};
-
-export const useSyncStore = createPersistStore(
-  DEFAULT_SYNC_STATE,
-  (set, get) => ({
-    cloudSync() {
-      const config = get()[get().provider];
-      return Object.values(config).every((c) => c.toString().length > 0);
-    },
-
-    markSyncTime() {
-      set({ lastSyncTime: Date.now(), lastProvider: get().provider });
-    },
-
-    export() {
-      const state = getLocalAppState();
-      const datePart = isApp
-        ? `${new Date().toLocaleDateString().replace(/\//g, "_")} ${new Date()
-            .toLocaleTimeString()
-            .replace(/:/g, "_")}`
-        : new Date().toLocaleString();
-
-      const fileName = `Backup-${datePart}.json`;
-      downloadAs(JSON.stringify(state), fileName);
-    },
-
-    async import() {
-      const rawContent = await readFromFile();
-
-      try {
-        const remoteState = JSON.parse(rawContent) as AppState;
-        const localState = getLocalAppState();
-        mergeAppState(localState, remoteState);
-        setLocalAppState(localState);
-        location.reload();
-      } catch (e) {
-        console.error("[Import]", e);
-        showToast(Locale.Settings.Sync.ImportFailed);
-      }
-    },
-
-    getClient() {
-      const provider = get().provider;
-      const client = createSyncClient(provider, get());
-      return client;
-    },
-
-    async sync() {
-      const localState = getLocalAppState();
-      const provider = get().provider;
-      const config = get()[provider];
-      const client = this.getClient();
-
-      try {
-        const remoteState = await client.get(config.username);
-        if (!remoteState || remoteState === "") {
-          console.log(
-            "[Sync] Remote state is empty, using local state instead.",
-          );
-          return;
-        } else {
-          const parsedRemoteState = JSON.parse(
-            await client.get(config.username),
-          ) as AppState;
-
-          mergeAppState(localState, parsedRemoteState);
-          setLocalAppState(localState);
-        }
-      } catch (e) {
-        console.log("[Sync] failed to get remote state", e);
-        throw e;
-      }
-
-      await client.set(config.username, JSON.stringify(localState));
-      console.log("client set", localState);
-      this.markSyncTime();
-    },
-
-    async check() {
-      const client = this.getClient();
-      return await client.check();
-    },
-  }),
-  {
-    name: StoreKey.Sync,
-    version: 1.2,
-
     migrate(persistedState, version) {
       const newState = persistedState as typeof DEFAULT_SYNC_STATE;