diff --git a/cmd/kube-scheduler/app/server.go b/cmd/kube-scheduler/app/server.go
index ca9c9446e58..2339c1755df 100644
--- a/cmd/kube-scheduler/app/server.go
+++ b/cmd/kube-scheduler/app/server.go
@@ -332,7 +332,8 @@ func getRecorderFactory(cc *schedulerserverconfig.CompletedConfig) profile.Recor
 	}
 }
 
-// WithPlugin creates an Option based on plugin name and factory. This function is used to register out-of-tree plugins.
+// WithPlugin creates an Option based on plugin name and factory. Please don't remove this function: it is used to register out-of-tree plugins,
+// hence there are no references to it from the kubernetes scheduler code base.
 func WithPlugin(name string, factory framework.PluginFactory) Option {
 	return func(registry framework.Registry) error {
 		return registry.Register(name, factory)