diff --git a/staging/src/k8s.io/kube-gen/cmd/informer-gen/generators/informer.go b/staging/src/k8s.io/kube-gen/cmd/informer-gen/generators/informer.go
index 838f68e2700..21d2d197393 100644
--- a/staging/src/k8s.io/kube-gen/cmd/informer-gen/generators/informer.go
+++ b/staging/src/k8s.io/kube-gen/cmd/informer-gen/generators/informer.go
@@ -96,11 +96,8 @@ func (g *informerGenerator) GenerateType(c *generator.Context, t *types.Type, w
 
 	sw.Do(typeInformerInterface, m)
 	sw.Do(typeInformerStruct, m)
-	if len(g.groupVersion.Version) == 0 {
-		sw.Do(typeInformerConstructorInternal, m)
-	} else {
-		sw.Do(typeInformerConstructorVersioned, m)
-	}
+	sw.Do(typeInformerPublicConstructor, m)
+	sw.Do(typeInformerConstructor, m)
 	sw.Do(typeInformerInformer, m)
 	sw.Do(typeInformerLister, m)
 
@@ -122,49 +119,36 @@ type $.type|private$Informer struct {
 }
 `
 
-var typeInformerConstructorInternal = `
-func new$.type|public$Informer(client $.clientSetInterface|raw$, resyncPeriod $.timeDuration|raw$) $.cacheSharedIndexInformer|raw$ {
-	sharedIndexInformer := $.cacheNewSharedIndexInformer|raw$(
+var typeInformerPublicConstructor = `
+// New$.type|public$Informer constructs a new informer for $.type|public$ type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func New$.type|public$Informer(client $.clientSetInterface|raw$$if .namespaced$, namespace string$end$, resyncPeriod $.timeDuration|raw$, indexers $.cacheIndexers|raw$) $.cacheSharedIndexInformer|raw$ {
+	return $.cacheNewSharedIndexInformer|raw$(
 		&$.cacheListWatch|raw${
 			ListFunc: func(options $.v1ListOptions|raw$) ($.runtimeObject|raw$, error) {
-				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$$.namespaceAll|raw$$end$).List(options)
+				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$namespace$end$).List(options)
 			},
 			WatchFunc: func(options $.v1ListOptions|raw$) ($.watchInterface|raw$, error) {
-				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$$.namespaceAll|raw$$end$).Watch(options)
+				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$namespace$end$).Watch(options)
 			},
 		},
 		&$.type|raw${},
 		resyncPeriod,
-		$.cacheIndexers|raw${$.cacheNamespaceIndex|raw$: $.cacheMetaNamespaceIndexFunc|raw$},
+		indexers,
 	)
-
-	return sharedIndexInformer
 }
 `
 
-var typeInformerConstructorVersioned = `
-func new$.type|public$Informer(client $.clientSetInterface|raw$, resyncPeriod $.timeDuration|raw$) $.cacheSharedIndexInformer|raw$ {
-	sharedIndexInformer := $.cacheNewSharedIndexInformer|raw$(
-		&$.cacheListWatch|raw${
-			ListFunc: func(options $.v1ListOptions|raw$) ($.runtimeObject|raw$, error) {
-				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$$.namespaceAll|raw$$end$).List(options)
-			},
-			WatchFunc: func(options $.v1ListOptions|raw$) ($.watchInterface|raw$, error) {
-				return client.$.group$$.version$().$.type|publicPlural$($if .namespaced$$.namespaceAll|raw$$end$).Watch(options)
-			},
-		},
-		&$.type|raw${},
-		resyncPeriod,
-		$.cacheIndexers|raw${$.cacheNamespaceIndex|raw$: $.cacheMetaNamespaceIndexFunc|raw$},
-	)
-
-	return sharedIndexInformer
+var typeInformerConstructor = `
+func default$.type|public$Informer(client $.clientSetInterface|raw$, resyncPeriod $.timeDuration|raw$) $.cacheSharedIndexInformer|raw$ {
+	return New$.type|public$Informer(client, $if .namespaced$$.namespaceAll|raw$, $end$resyncPeriod, $.cacheIndexers|raw${$.cacheNamespaceIndex|raw$: $.cacheMetaNamespaceIndexFunc|raw$})
 }
 `
 
 var typeInformerInformer = `
 func (f *$.type|private$Informer) Informer() $.cacheSharedIndexInformer|raw$ {
-	return f.factory.$.informerFor$(&$.type|raw${}, new$.type|public$Informer)
+	return f.factory.$.informerFor$(&$.type|raw${}, default$.type|public$Informer)
 }
 `