diff --git a/pkg/controller/job/job_controller.go b/pkg/controller/job/job_controller.go
index dfcd1d56b..1a00d0037 100644
--- a/pkg/controller/job/job_controller.go
+++ b/pkg/controller/job/job_controller.go
@@ -72,9 +72,7 @@ func NewJobController(jobInformer batchv1informers.JobInformer, client clientset
 	v.jobSynced = jobInformer.Informer().HasSynced
 
 	jobInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
-		AddFunc: func(obj interface{}) {
-			v.enqueueJob(obj)
-		},
+		AddFunc: v.enqueueJob,
 		UpdateFunc: func(old, cur interface{}) {
 			v.enqueueJob(cur)
 		},
diff --git a/pkg/controller/network/nsnetworkpolicy/nsnetworkpolicy_controller.go b/pkg/controller/network/nsnetworkpolicy/nsnetworkpolicy_controller.go
index 5d66294b6..e4f8434ed 100644
--- a/pkg/controller/network/nsnetworkpolicy/nsnetworkpolicy_controller.go
+++ b/pkg/controller/network/nsnetworkpolicy/nsnetworkpolicy_controller.go
@@ -678,15 +678,11 @@ func NewNSNetworkPolicyController(
 	})
 
 	nsnpInformer.Informer().AddEventHandlerWithResyncPeriod(cache.ResourceEventHandlerFuncs{
-		AddFunc: func(obj interface{}) {
-			controller.nsnpEnqueue(obj)
-		},
+		AddFunc: controller.nsnpEnqueue,
 		UpdateFunc: func(oldObj interface{}, newObj interface{}) {
 			controller.nsnpEnqueue(newObj)
 		},
-		DeleteFunc: func(obj interface{}) {
-			controller.nsnpEnqueue(obj)
-		},
+		DeleteFunc: controller.nsnpEnqueue,
 	}, defaultSleepDuration)
 
 	return controller
diff --git a/pkg/utils/clusterclient/clusterclient.go b/pkg/utils/clusterclient/clusterclient.go
index b36a492ac..7aa860343 100644
--- a/pkg/utils/clusterclient/clusterclient.go
+++ b/pkg/utils/clusterclient/clusterclient.go
@@ -77,9 +77,7 @@ func NewClusterClient(clusterInformer clusterinformer.ClusterInformer) ClusterCl
 				c.addCluster(newObj)
 			}
 		},
-		DeleteFunc: func(obj interface{}) {
-			c.removeCluster(obj)
-		},
+		DeleteFunc: c.removeCluster,
 	})
 	return c
 }