diff --git a/cluster-autoscaler/clusterstate/clusterstate.go b/cluster-autoscaler/clusterstate/clusterstate.go
index 894fe1008aa2..a2335193e073 100644
--- a/cluster-autoscaler/clusterstate/clusterstate.go
+++ b/cluster-autoscaler/clusterstate/clusterstate.go
@@ -645,7 +645,7 @@ func (csr *ClusterStateRegistry) updateReadinessStats(currentTime time.Time) {
 			continue
 		}
 		if nodeGroup == nil || reflect.ValueOf(nodeGroup).IsNil() {
-			klog.Warningf("Nodegroup is nil for %s", unregistered.Node.Name)
+			klog.V(4).Infof("Nodegroup is nil for %s", unregistered.Node.Name)
 			continue
 		}
 		perNgCopy := perNodeGroup[nodeGroup.Id()]
@@ -1052,7 +1052,7 @@ func (csr *ClusterStateRegistry) hasCloudProviderInstance(node *apiv1.Node) bool
 	if err == nil {
 		return exists
 	}
-	if !errors.Is(err, cloudprovider.ErrNotImplemented) {
+	if !errors.Is(err, cloudprovider.ErrNotImplemented) && klog.V(4).Enabled() {
 		klog.Warningf("Failed to check cloud provider has instance for %s: %v", node.Name, err)
 	}
 	return !taints.HasToBeDeletedTaint(node)
diff --git a/cluster-autoscaler/clusterstate/utils/node_instances_cache.go b/cluster-autoscaler/clusterstate/utils/node_instances_cache.go
index ac2723eb4acd..b4241fbf86ec 100644
--- a/cluster-autoscaler/clusterstate/utils/node_instances_cache.go
+++ b/cluster-autoscaler/clusterstate/utils/node_instances_cache.go
@@ -153,7 +153,7 @@ func (cache *CloudProviderNodeInstancesCache) InvalidateCacheEntry(nodeGroup clo
 
 // Refresh refreshes cache.
 func (cache *CloudProviderNodeInstancesCache) Refresh() {
-	klog.Infof("Start refreshing cloud provider node instances cache")
+	klog.V(4).Infof("Start refreshing cloud provider node instances cache")
 	refreshStart := time.Now()
 
 	nodeGroups := cache.cloudProvider.NodeGroups()
diff --git a/cluster-autoscaler/core/static_autoscaler.go b/cluster-autoscaler/core/static_autoscaler.go
index 027ec59630b3..7090c36fcf73 100644
--- a/cluster-autoscaler/core/static_autoscaler.go
+++ b/cluster-autoscaler/core/static_autoscaler.go
@@ -748,7 +748,9 @@ func (a *StaticAutoscaler) removeOldUnregisteredNodes(allUnregisteredNodes []clu
 			continue
 		}
 		if nodeGroup == nil || reflect.ValueOf(nodeGroup).IsNil() {
-			klog.Warningf("No node group for node %s, skipping", unregisteredNode.Node.Name)
+			if klog.V(4).Enabled() {
+				klog.Warningf("No node group for node %s, skipping", unregisteredNode.Node.Name)
+			}
 			continue
 		}
 
diff --git a/cluster-autoscaler/update_toc.py b/cluster-autoscaler/update_toc.py
index 34a7d2639b51..c7c8c7980b92 100755
--- a/cluster-autoscaler/update_toc.py
+++ b/cluster-autoscaler/update_toc.py
@@ -24,7 +24,7 @@ def updateFAQ():
         faq_content = faq_file.read()
     faq_lines = faq_content.splitlines()
     while faq_lines and faq_lines[-1] == '':
-      faq_lines = faq_lines[:-1]
+        faq_lines = faq_lines[:-1]
 
     prefixes = (SECTION_PREFIX, QUESTION_PREFIX)
     toc_elements = []