diff --git a/staging/src/k8s.io/code-generator/cmd/client-gen/generators/scheme/generator_for_scheme.go b/staging/src/k8s.io/code-generator/cmd/client-gen/generators/scheme/generator_for_scheme.go
index a698a28b681..a87d7571eb6 100644
--- a/staging/src/k8s.io/code-generator/cmd/client-gen/generators/scheme/generator_for_scheme.go
+++ b/staging/src/k8s.io/code-generator/cmd/client-gen/generators/scheme/generator_for_scheme.go
@@ -87,6 +87,7 @@ func (g *GenScheme) GenerateType(c *generator.Context, t *types.Type, w io.Write
 	allInstallGroups := clientgentypes.ToGroupInstallPackages(g.Groups, g.GroupGoNames)
 
 	m := map[string]interface{}{
+		"publicScheme":              !g.PrivateScheme,
 		"allGroupVersions":          allGroupVersions,
 		"allInstallGroups":          allInstallGroups,
 		"customRegister":            false,
@@ -133,7 +134,7 @@ func (g *GenScheme) GenerateType(c *generator.Context, t *types.Type, w io.Write
 var globalsTemplate = `
 var $.Scheme$ = $.runtimeNewScheme|raw$()
 var $.Codecs$ = $.serializerNewCodecFactory|raw$($.Scheme$)
-var $.ParameterCodec$ = $.runtimeNewParameterCodec|raw$($.Scheme$)`
+$if .publicScheme$var $.ParameterCodec$ = $.runtimeNewParameterCodec|raw$($.Scheme$)$end -$`
 
 var registryRegistration = `