diff --git a/lib/encryption/utils/bootstrap.dart b/lib/encryption/utils/bootstrap.dart
index 8645d97f..ea33dcf3 100644
--- a/lib/encryption/utils/bootstrap.dart
+++ b/lib/encryption/utils/bootstrap.dart
@@ -591,10 +591,7 @@ class Bootstrap {
       _state = newState;
     }
 
-    final onUpdate_ = onUpdate;
-    if (onUpdate_ != null) {
-      onUpdate_();
-    }
+    onUpdate?.call();
   }
 }
 
diff --git a/lib/encryption/utils/key_verification.dart b/lib/encryption/utils/key_verification.dart
index 8a3dfe12..795675ad 100644
--- a/lib/encryption/utils/key_verification.dart
+++ b/lib/encryption/utils/key_verification.dart
@@ -620,10 +620,7 @@ class KeyVerification {
       state = newState;
     }
 
-    final onUpdate = this.onUpdate;
-    if (onUpdate != null) {
-      onUpdate();
-    }
+    onUpdate?.call();
   }
 }