diff --git a/packages/flutter/lib/src/widgets/binding.dart b/packages/flutter/lib/src/widgets/binding.dart
index 99925f6108..67bc1c4563 100644
--- a/packages/flutter/lib/src/widgets/binding.dart
+++ b/packages/flutter/lib/src/widgets/binding.dart
@@ -323,10 +323,7 @@ abstract class WidgetsBinding extends BindingBase with SchedulerBinding, Gesture
         }
     );
 
-    assert(() {
-      WidgetInspectorService.instance.initServiceExtensions(registerServiceExtension);
-      return true;
-    }());
+    WidgetInspectorService.instance.initServiceExtensions(registerServiceExtension);
   }
 
   Future<Null> _forceRebuild() {