diff --git a/docs/src/03-services.md b/docs/src/03-services.md
index c665052ee..0ec728b38 100644
--- a/docs/src/03-services.md
+++ b/docs/src/03-services.md
@@ -172,14 +172,7 @@ const socket = io(BACKEND_URL, {
 
 ### Socket event contract (Tauri)
 
-In Tauri mode, the Rust socket forwards server events to the frontend via the `server:event` Tauri event. The frontend listens and can emit back via `emitViaRustSocket` (see `utils/tauriSocket.ts`).
-
-| Direction   | Event name                 | Payload                         | Description |
-|------------|----------------------------|----------------------------------|-------------|
-| Backend →  | `request:encryption_key`   | (any)                            | Backend requests the client’s encryption key. |
-| Frontend → | `encryption_key`           | `{ encryptionKey: string \| null }` | Frontend sends `encryptionKeyByUser` for the current user from authSlice. |
-
-Constants: `REQUEST_ENCRYPTION_KEY`, `ENCRYPTION_KEY_EVENT` (exported from `utils/tauriSocket.ts`).
+In Tauri mode, the Rust socket forwards server events to the frontend via the `server:event` Tauri event. The frontend listens and can emit back via `emitViaRustSocket` (see `utils/tauriSocket.ts`). Encryption key is handled via the API, not the socket.
 
 ## MTProto Service (`services/mtprotoService.ts`)
 
diff --git a/src/pages/Mnemonic.tsx b/src/pages/Mnemonic.tsx
index 25cd9bcfa..43592f5eb 100644
--- a/src/pages/Mnemonic.tsx
+++ b/src/pages/Mnemonic.tsx
@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState, type KeyboardEvent } from 'react';
 import { useNavigate } from 'react-router-dom';
 
 import LottieAnimation from '../components/LottieAnimation';
@@ -96,7 +96,7 @@ const Mnemonic = () => {
   );
 
   const handleImportKeyDown = useCallback(
-    (index: number, e: React.KeyboardEvent<HTMLInputElement>) => {
+    (index: number, e: KeyboardEvent<HTMLInputElement>) => {
       if (e.key === 'Backspace' && !importWords[index] && index > 0) {
         inputRefs.current[index - 1]?.focus();
       }
diff --git a/src/utils/tauriSocket.ts b/src/utils/tauriSocket.ts
index 95ded80e4..e603742a5 100644
--- a/src/utils/tauriSocket.ts
+++ b/src/utils/tauriSocket.ts
@@ -12,10 +12,6 @@
  * Legacy bridge (for backwards compatibility during migration):
  * - socket:should_connect / socket:should_disconnect
  * - report_socket_connected / disconnected / error
- *
- * Socket event contract (backend <-> frontend):
- * - Backend emits: REQUEST_ENCRYPTION_KEY — frontend should reply with encryption key.
- * - Frontend emits: ENCRYPTION_KEY_EVENT — payload { encryptionKey: string | null } from authSlice.
  */
 import { isTauri as coreIsTauri, invoke } from '@tauri-apps/api/core';
 import { listen, UnlistenFn } from '@tauri-apps/api/event';
@@ -25,12 +21,6 @@ import { store } from '../store';
 import { setSocketIdForUser, setStatusForUser } from '../store/socketSlice';
 import { BACKEND_URL } from './config';
 
-/** Event name the backend emits to request the client’s encryption key. */
-export const REQUEST_ENCRYPTION_KEY = 'request:encryption_key';
-
-/** Event name the frontend emits with encryptionKeyByUser (authSlice) for the current user. */
-export const ENCRYPTION_KEY_EVENT = 'encryption_key';
-
 // Check if we're running in Tauri
 export const isTauri = (): boolean => {
   return coreIsTauri();
@@ -171,14 +161,6 @@ export async function setupTauriSocketListeners(): Promise<void> {
     unlistenServerEvent = await listen<{ event: string; data: unknown }>('server:event', event => {
       const { event: eventName, data } = event.payload;
       console.log('[TauriSocket] Server event:', eventName, data);
-
-      if (eventName === REQUEST_ENCRYPTION_KEY) {
-        const state = store.getState();
-        const userId =
-          state.user.user?._id ?? getSocketUserId();
-        const encryptionKey = state.auth.encryptionKeyByUser[userId] ?? null;
-        void emitViaRustSocket(ENCRYPTION_KEY_EVENT, { encryptionKey });
-      }
     });
 
     // Legacy: Listen for connect requests from Rust (backwards compat)