diff --git a/lib/prefs.ts b/lib/prefs.ts
index fc3b14e..9c340ca 100644
--- a/lib/prefs.ts
+++ b/lib/prefs.ts
@@ -99,6 +99,5 @@ export class PrefWatcher {
 
   changed(prefs: any, key: string, value: any) {
     this.value = value;
-    return true;
   }
 }