diff --git a/pkg/controller/endpoint/endpoints_controller.go b/pkg/controller/endpoint/endpoints_controller.go
index 403bd9c0ee..a92d698330 100644
--- a/pkg/controller/endpoint/endpoints_controller.go
+++ b/pkg/controller/endpoint/endpoints_controller.go
@@ -428,8 +428,8 @@ func (e *EndpointController) syncService(key string) error {
 	}
 
 	subsets := []v1.EndpointSubset{}
-	var totalReadyEps int = 0
-	var totalNotReadyEps int = 0
+	var totalReadyEps int
+	var totalNotReadyEps int
 
 	for _, pod := range pods {
 		if len(pod.Status.PodIP) == 0 {
@@ -559,8 +559,8 @@ func (e *EndpointController) checkLeftoverEndpoints() {
 
 func addEndpointSubset(subsets []v1.EndpointSubset, pod *v1.Pod, epa v1.EndpointAddress,
 	epp *v1.EndpointPort, tolerateUnreadyEndpoints bool) ([]v1.EndpointSubset, int, int) {
-	var readyEps int = 0
-	var notReadyEps int = 0
+	var readyEps int
+	var notReadyEps int
 	ports := []v1.EndpointPort{}
 	if epp != nil {
 		ports = append(ports, *epp)
diff --git a/pkg/controller/garbagecollector/operations.go b/pkg/controller/garbagecollector/operations.go
index a6cf9dd514..fefec3c593 100644
--- a/pkg/controller/garbagecollector/operations.go
+++ b/pkg/controller/garbagecollector/operations.go
@@ -93,11 +93,11 @@ func (gc *GarbageCollector) removeFinalizer(owner *node, targetFinalizer string)
 			return nil
 		}
 		if err != nil {
-			return fmt.Errorf("cannot finalize owner %s, because cannot get it: %v. The garbage collector will retry later.", owner.identity, err)
+			return fmt.Errorf("cannot finalize owner %s, because cannot get it: %v. The garbage collector will retry later", owner.identity, err)
 		}
 		accessor, err := meta.Accessor(ownerObject)
 		if err != nil {
-			return fmt.Errorf("cannot access the owner object %v: %v. The garbage collector will retry later.", ownerObject, err)
+			return fmt.Errorf("cannot access the owner object %v: %v. The garbage collector will retry later", ownerObject, err)
 		}
 		finalizers := accessor.GetFinalizers()
 		var newFinalizers []string
@@ -119,7 +119,7 @@ func (gc *GarbageCollector) removeFinalizer(owner *node, targetFinalizer string)
 		return err
 	})
 	if errors.IsConflict(err) {
-		return fmt.Errorf("updateMaxRetries(%d) has reached. The garbage collector will retry later for owner %v.", retry.DefaultBackoff.Steps, owner.identity)
+		return fmt.Errorf("updateMaxRetries(%d) has reached. The garbage collector will retry later for owner %v", retry.DefaultBackoff.Steps, owner.identity)
 	}
 	return err
 }