diff --git a/pkg/proxy/config/config.go b/pkg/proxy/config/config.go
index 0a2bd65f3e5..03256f040d9 100644
--- a/pkg/proxy/config/config.go
+++ b/pkg/proxy/config/config.go
@@ -207,7 +207,7 @@ func (c *ServiceConfig) Run(stopCh <-chan struct{}) {
 	}
 
 	for i := range c.eventHandlers {
-		glog.V(3).Infof("Calling handler.OnServiceSynced()")
+		glog.V(3).Info("Calling handler.OnServiceSynced()")
 		c.eventHandlers[i].OnServiceSynced()
 	}
 
@@ -221,7 +221,7 @@ func (c *ServiceConfig) handleAddService(obj interface{}) {
 		return
 	}
 	for i := range c.eventHandlers {
-		glog.V(4).Infof("Calling handler.OnServiceAdd")
+		glog.V(4).Info("Calling handler.OnServiceAdd")
 		c.eventHandlers[i].OnServiceAdd(service)
 	}
 }
@@ -238,7 +238,7 @@ func (c *ServiceConfig) handleUpdateService(oldObj, newObj interface{}) {
 		return
 	}
 	for i := range c.eventHandlers {
-		glog.V(4).Infof("Calling handler.OnServiceUpdate")
+		glog.V(4).Info("Calling handler.OnServiceUpdate")
 		c.eventHandlers[i].OnServiceUpdate(oldService, service)
 	}
 }
@@ -257,7 +257,7 @@ func (c *ServiceConfig) handleDeleteService(obj interface{}) {
 		}
 	}
 	for i := range c.eventHandlers {
-		glog.V(4).Infof("Calling handler.OnServiceDelete")
+		glog.V(4).Info("Calling handler.OnServiceDelete")
 		c.eventHandlers[i].OnServiceDelete(service)
 	}
 }
diff --git a/pkg/proxy/healthcheck/healthcheck.go b/pkg/proxy/healthcheck/healthcheck.go
index 93e5edf6112..0c59a38cf79 100644
--- a/pkg/proxy/healthcheck/healthcheck.go
+++ b/pkg/proxy/healthcheck/healthcheck.go
@@ -322,7 +322,7 @@ func (hs *HealthzServer) Run() {
 			glog.Errorf("Healthz closed with error: %v", err)
 			return
 		}
-		glog.Errorf("Unexpected healthz closed.")
+		glog.Error("Unexpected healthz closed.")
 	}, nodeHealthzRetryInterval, wait.NeverStop)
 }
 
diff --git a/pkg/proxy/iptables/proxier.go b/pkg/proxy/iptables/proxier.go
index 470916ce705..697f5bdecc1 100644
--- a/pkg/proxy/iptables/proxier.go
+++ b/pkg/proxy/iptables/proxier.go
@@ -182,7 +182,7 @@ func newEndpointInfo(baseInfo *proxy.BaseEndpointInfo) proxy.Endpoint {
 func (e *endpointsInfo) Equal(other proxy.Endpoint) bool {
 	o, ok := other.(*endpointsInfo)
 	if !ok {
-		glog.Errorf("Failed to cast endpointsInfo")
+		glog.Error("Failed to cast endpointsInfo")
 		return false
 	}
 	return e.Endpoint == o.Endpoint &&
@@ -300,7 +300,7 @@ func NewProxier(ipt utiliptables.Interface,
 	// are connected to a Linux bridge (but not SDN bridges).  Until most
 	// plugins handle this, log when config is missing
 	if val, err := sysctl.GetSysctl(sysctlBridgeCallIPTables); err == nil && val != 1 {
-		glog.Warningf("missing br-netfilter module or unset sysctl br-nf-call-iptables; proxy may not work as intended")
+		glog.Warning("missing br-netfilter module or unset sysctl br-nf-call-iptables; proxy may not work as intended")
 	}
 
 	// Generate the masquerade mark to use for SNAT rules.
@@ -308,12 +308,12 @@ func NewProxier(ipt utiliptables.Interface,
 	masqueradeMark := fmt.Sprintf("%#08x/%#08x", masqueradeValue, masqueradeValue)
 
 	if nodeIP == nil {
-		glog.Warningf("invalid nodeIP, initializing kube-proxy with 127.0.0.1 as nodeIP")
+		glog.Warning("invalid nodeIP, initializing kube-proxy with 127.0.0.1 as nodeIP")
 		nodeIP = net.ParseIP("127.0.0.1")
 	}
 
 	if len(clusterCIDR) == 0 {
-		glog.Warningf("clusterCIDR not specified, unable to distinguish between internal and external traffic")
+		glog.Warning("clusterCIDR not specified, unable to distinguish between internal and external traffic")
 	} else if utilnet.IsIPv6CIDR(clusterCIDR) != ipt.IsIpv6() {
 		return nil, fmt.Errorf("clusterCIDR %s has incorrect IP version: expect isIPv6=%t", clusterCIDR, ipt.IsIpv6())
 	}
@@ -657,7 +657,7 @@ func (proxier *Proxier) syncProxyRules() {
 		}
 	}
 
-	glog.V(3).Infof("Syncing iptables rules")
+	glog.V(3).Info("Syncing iptables rules")
 
 	// Create and link the kube chains.
 	for _, chain := range iptablesJumpChains {