diff --git a/ui/element/src/mixins/signal.ts b/ui/element/src/mixins/signal.ts
index 6d4f9267d..ccc54d8a9 100644
--- a/ui/element/src/mixins/signal.ts
+++ b/ui/element/src/mixins/signal.ts
@@ -4,19 +4,19 @@ import type {Constructor} from '../type.js';
 import type {ListenerInterface} from '@alwatr/signal';
 
 export declare class SignalMixinInterface extends LitElement {
-  protected _signalListenerList: Array<ListenerInterface<keyof AlwatrSignals>>;
+  protected _signalListenerList: Array<unknown>;
 }
 
 export function SignalMixin<ClassType extends Constructor<LitElement>>(
     superClass: ClassType,
 ): Constructor<SignalMixinInterface> & ClassType {
   class SignalMixinClass extends superClass {
-    protected _signalListenerList: Array<ListenerInterface<keyof AlwatrSignals>> = [];
+    protected _signalListenerList: Array<unknown> = [];
 
     override disconnectedCallback(): void {
       super.disconnectedCallback();
 
-      this._signalListenerList.forEach((listener) => listener.remove());
+      this._signalListenerList.forEach((listener) => (listener as ListenerInterface<keyof AlwatrSignals>).remove());
     }
   }