diff --git a/pkg/client/restconfig/restconfig.go b/pkg/client/restconfig/restconfig.go
index 9a74f8b639..de80329630 100644
--- a/pkg/client/restconfig/restconfig.go
+++ b/pkg/client/restconfig/restconfig.go
@@ -117,7 +117,7 @@ func UpdateQPS(config *rest.Config) {
 
 	flowControlEnabled, err := flowcontrol.IsEnabled(ctx, config)
 	if err != nil {
-		klog.Warning("Failed to query apiserver to check for flow control enablement: %v", err)
+		klog.Warningf("Failed to query apiserver to check for flow control enablement: %v", err)
 		// Default to the lower QPS limits.
 	}
 	if flowControlEnabled {
diff --git a/pkg/parse/run.go b/pkg/parse/run.go
index f5da03e27d..fe9f65003d 100644
--- a/pkg/parse/run.go
+++ b/pkg/parse/run.go
@@ -196,7 +196,7 @@ func run(ctx context.Context, p Parser, trigger string, state *reconcilerState)
 		gs.lastUpdate = metav1.Now()
 		var setSourceStatusErr error
 		if state.needToSetSourceStatus(gs) {
-			klog.V(3).Info("Updating source status (before read): %#v", gs)
+			klog.V(3).Infof("Updating source status (before read): %#v", gs)
 			setSourceStatusErr = p.setSourceStatus(ctx, gs)
 			if setSourceStatusErr == nil {
 				state.sourceStatus = gs
@@ -219,7 +219,7 @@ func run(ctx context.Context, p Parser, trigger string, state *reconcilerState)
 		if os.IsNotExist(err) || (err == nil && hydrate.DoneCommit(doneFilePath) != gs.commit) {
 			rs.message = RenderingInProgress
 			rs.lastUpdate = metav1.Now()
-			klog.V(3).Info("Updating rendering status (before read): %#v", rs)
+			klog.V(3).Infof("Updating rendering status (before read): %#v", rs)
 			setRenderingStatusErr := p.setRenderingStatus(ctx, state.renderingStatus, rs)
 			if setRenderingStatusErr == nil {
 				state.reset()
@@ -235,7 +235,7 @@ func run(ctx context.Context, p Parser, trigger string, state *reconcilerState)
 			rs.message = RenderingFailed
 			rs.lastUpdate = metav1.Now()
 			rs.errs = status.InternalHydrationError(err, "unable to read the done file: %s", doneFilePath)
-			klog.V(3).Info("Updating rendering status (before read): %#v", rs)
+			klog.V(3).Infof("Updating rendering status (before read): %#v", rs)
 			setRenderingStatusErr := p.setRenderingStatus(ctx, state.renderingStatus, rs)
 			if setRenderingStatusErr == nil {
 				state.renderingStatus = rs
@@ -299,7 +299,7 @@ func read(ctx context.Context, p Parser, trigger string, state *reconcilerState,
 	hydrationStatus.lastUpdate = metav1.Now()
 	// update the rendering status before source status because the parser needs to
 	// read and parse the configs after rendering is done and there might have errors.
-	klog.V(3).Info("Updating rendering status (after read): %#v", hydrationStatus)
+	klog.V(3).Infof("Updating rendering status (after read): %#v", hydrationStatus)
 	setRenderingStatusErr := p.setRenderingStatus(ctx, state.renderingStatus, hydrationStatus)
 	if setRenderingStatusErr == nil {
 		state.renderingStatus = hydrationStatus
@@ -319,7 +319,7 @@ func read(ctx context.Context, p Parser, trigger string, state *reconcilerState,
 	sourceStatus.lastUpdate = metav1.Now()
 	var setSourceStatusErr error
 	if state.needToSetSourceStatus(sourceStatus) {
-		klog.V(3).Info("Updating source status (after read): %#v", sourceStatus)
+		klog.V(3).Infof("Updating source status (after read): %#v", sourceStatus)
 		setSourceStatusErr := p.setSourceStatus(ctx, sourceStatus)
 		if setSourceStatusErr == nil {
 			state.sourceStatus = sourceStatus
@@ -462,7 +462,7 @@ func parseAndUpdate(ctx context.Context, p Parser, trigger string, state *reconc
 		lastUpdate: metav1.Now(),
 	}
 	if state.needToSetSourceStatus(newSourceStatus) {
-		klog.V(3).Info("Updating source status (after parse): %#v", newSourceStatus)
+		klog.V(3).Infof("Updating source status (after parse): %#v", newSourceStatus)
 		if err := p.setSourceStatus(ctx, newSourceStatus); err != nil {
 			// If `p.setSourceStatus` fails, we terminate the reconciliation.
 			// If we call `update` in this case and `update` succeeds, `Status.Source.Commit` would end up be older
diff --git a/pkg/reconcilermanager/controllers/reposync_controller.go b/pkg/reconcilermanager/controllers/reposync_controller.go
index dd084231cb..f1927483d5 100644
--- a/pkg/reconcilermanager/controllers/reposync_controller.go
+++ b/pkg/reconcilermanager/controllers/reposync_controller.go
@@ -717,7 +717,7 @@ func (r *RepoSyncReconciler) mapConfigMapToRepoSyncs(obj client.Object) []reconc
 	ctx := context.Background()
 	repoSyncList := &v1beta1.RepoSyncList{}
 	if err := r.client.List(ctx, repoSyncList, &client.ListOptions{Namespace: objRef.Namespace}); err != nil {
-		klog.Error("failed to list RepoSyncs for %s (%s): %v",
+		klog.Errorf("failed to list RepoSyncs for %s (%s): %v",
 			obj.GetObjectKind().GroupVersionKind().Kind, objRef, err)
 		return nil
 	}
diff --git a/pkg/reconcilermanager/controllers/rootsync_controller.go b/pkg/reconcilermanager/controllers/rootsync_controller.go
index 5244e30d00..ef66fec4f2 100644
--- a/pkg/reconcilermanager/controllers/rootsync_controller.go
+++ b/pkg/reconcilermanager/controllers/rootsync_controller.go
@@ -494,7 +494,7 @@ func (r *RootSyncReconciler) mapConfigMapsToRootSyncs(obj client.Object) []recon
 	ctx := context.Background()
 	rootSyncList := &v1beta1.RootSyncList{}
 	if err := r.client.List(ctx, rootSyncList, &client.ListOptions{Namespace: objRef.Namespace}); err != nil {
-		klog.Error("failed to list RootSyncs for %s: %v", kinds.ObjectSummary(obj), err)
+		klog.Errorf("failed to list RootSyncs for %s: %v", kinds.ObjectSummary(obj), err)
 		return nil
 	}
 	var requests []reconcile.Request
@@ -557,7 +557,7 @@ func (r *RootSyncReconciler) mapObjectToRootSync(obj client.Object) []reconcile.
 
 	allRootSyncs := &v1beta1.RootSyncList{}
 	if err := r.client.List(context.Background(), allRootSyncs); err != nil {
-		klog.Error("failed to list all RootSyncs for %s (%s): %v",
+		klog.Errorf("failed to list all RootSyncs for %s (%s): %v",
 			obj.GetObjectKind().GroupVersionKind().Kind, objRef, err)
 		return nil
 	}
diff --git a/pkg/syncer/reconcile/apply.go b/pkg/syncer/reconcile/apply.go
index c0f8eb9c8a..4686fed35f 100644
--- a/pkg/syncer/reconcile/apply.go
+++ b/pkg/syncer/reconcile/apply.go
@@ -124,7 +124,7 @@ func (c *clientApplier) Create(ctx context.Context, intendedState *unstructured.
 	}
 	logErr, err := c.fights.DetectFight(time.Now(), intendedState)
 	if logErr {
-		klog.Error("Fight detected on create of %s.", description(intendedState))
+		klog.Errorf("Fight detected on create of %s.", description(intendedState))
 	}
 	if err == nil {
 		klog.V(3).Infof("Created object %v", core.GKNN(intendedState))