diff --git a/static/js/app.js b/static/js/app.js
index b2c7855..8b1821d 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -1820,12 +1820,9 @@ async function getOrCreateEncKey() {
       const raw = base64ToBytes(stored);
       _encKey = await crypto.subtle.importKey('raw', raw, {name: 'AES-GCM'}, false, ['encrypt', 'decrypt']);
       return _encKey;
-    } catch (e) { /* fall through, generate new */ }
+    } catch (e) { /* fall through */ }
   }
-  _encKey = await crypto.subtle.generateKey({name: 'AES-GCM', length: 256}, true, ['encrypt', 'decrypt']);
-  const raw = await crypto.subtle.exportKey('raw', _encKey);
-  localStorage.setItem(storageKey, bytesToBase64(new Uint8Array(raw)));
-  return _encKey;
+  throw new Error('Encryption key not found — please log out and log in again.');
 }
 
 async function encryptBytes(key, plainBytes) {