diff --git a/pkg/endpoints/apiserver_test.go b/pkg/endpoints/apiserver_test.go
index 78ef76447..28aaa603d 100644
--- a/pkg/endpoints/apiserver_test.go
+++ b/pkg/endpoints/apiserver_test.go
@@ -245,6 +245,7 @@ func handleInternal(storage map[string]rest.Storage, admissionControl admission.
 
 		Creater:         scheme,
 		Convertor:       scheme,
+		UnsafeConvertor: runtime.UnsafeObjectConvertor(scheme),
 		Defaulter:       scheme,
 		Typer:           scheme,
 		Linker:          selfLinker,
@@ -3170,6 +3171,7 @@ func TestParentResourceIsRequired(t *testing.T) {
 		Root:            "/" + prefix,
 		Creater:         scheme,
 		Convertor:       scheme,
+		UnsafeConvertor: runtime.UnsafeObjectConvertor(scheme),
 		Defaulter:       scheme,
 		Typer:           scheme,
 		Linker:          selfLinker,
@@ -3197,12 +3199,13 @@ func TestParentResourceIsRequired(t *testing.T) {
 			"simple":     &SimpleRESTStorage{},
 			"simple/sub": storage,
 		},
-		Root:      "/" + prefix,
-		Creater:   scheme,
-		Convertor: scheme,
-		Defaulter: scheme,
-		Typer:     scheme,
-		Linker:    selfLinker,
+		Root:            "/" + prefix,
+		Creater:         scheme,
+		Convertor:       scheme,
+		UnsafeConvertor: runtime.UnsafeObjectConvertor(scheme),
+		Defaulter:       scheme,
+		Typer:           scheme,
+		Linker:          selfLinker,
 
 		Admit: admissionControl,
 
@@ -3822,11 +3825,12 @@ func TestXGSubresource(t *testing.T) {
 	group := APIGroupVersion{
 		Storage: storage,
 
-		Creater:   scheme,
-		Convertor: scheme,
-		Defaulter: scheme,
-		Typer:     scheme,
-		Linker:    selfLinker,
+		Creater:         scheme,
+		Convertor:       scheme,
+		UnsafeConvertor: runtime.UnsafeObjectConvertor(scheme),
+		Defaulter:       scheme,
+		Typer:           scheme,
+		Linker:          selfLinker,
 
 		ParameterCodec: parameterCodec,
 
diff --git a/pkg/endpoints/handlers/patch.go b/pkg/endpoints/handlers/patch.go
index 0b6496c44..0ed6dee7c 100644
--- a/pkg/endpoints/handlers/patch.go
+++ b/pkg/endpoints/handlers/patch.go
@@ -42,7 +42,7 @@ import (
 )
 
 // PatchResource returns a function that will handle a resource patch.
-func PatchResource(r rest.Patcher, scope RequestScope, admit admission.Interface, converter runtime.ObjectConvertor, patchTypes []string) http.HandlerFunc {
+func PatchResource(r rest.Patcher, scope RequestScope, admit admission.Interface, patchTypes []string) http.HandlerFunc {
 	return func(w http.ResponseWriter, req *http.Request) {
 		// For performance tracking purposes.
 		trace := utiltrace.New("Patch " + req.URL.Path)
@@ -77,14 +77,7 @@ func PatchResource(r rest.Patcher, scope RequestScope, admit admission.Interface
 		ctx := req.Context()
 		ctx = request.WithNamespace(ctx, namespace)
 
-		// TODO: this is NOT using the scope's convertor [sic]. Figure
-		// out if this is intentional or not. Perhaps it matters on
-		// subresources? Rename this parameter if this is purposful and
-		// delete it (using scope.Convertor instead) otherwise.
-		//
-		// Already some tests set this converter but apparently not the
-		// scope's unsafeConvertor.
-		schemaReferenceObj, err := converter.ConvertToVersion(r.New(), scope.Kind.GroupVersion())
+		schemaReferenceObj, err := scope.UnsafeConvertor.ConvertToVersion(r.New(), scope.Kind.GroupVersion())
 		if err != nil {
 			scope.err(err, w, req)
 			return
diff --git a/pkg/endpoints/installer.go b/pkg/endpoints/installer.go
index e9a292d8e..006b218ea 100644
--- a/pkg/endpoints/installer.go
+++ b/pkg/endpoints/installer.go
@@ -629,7 +629,7 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
 				string(types.MergePatchType),
 				string(types.StrategicMergePatchType),
 			}
-			handler := metrics.InstrumentRouteFunc(action.Verb, resource, subresource, requestScope, restfulPatchResource(patcher, reqScope, admit, a.group.Convertor, supportedTypes))
+			handler := metrics.InstrumentRouteFunc(action.Verb, resource, subresource, requestScope, restfulPatchResource(patcher, reqScope, admit, supportedTypes))
 			route := ws.PATCH(action.Path).To(handler).
 				Doc(doc).
 				Param(ws.QueryParameter("pretty", "If 'true', then the output is pretty printed.")).
@@ -1005,9 +1005,9 @@ func restfulUpdateResource(r rest.Updater, scope handlers.RequestScope, admit ad
 	}
 }
 
-func restfulPatchResource(r rest.Patcher, scope handlers.RequestScope, admit admission.Interface, converter runtime.ObjectConvertor, supportedTypes []string) restful.RouteFunction {
+func restfulPatchResource(r rest.Patcher, scope handlers.RequestScope, admit admission.Interface, supportedTypes []string) restful.RouteFunction {
 	return func(req *restful.Request, res *restful.Response) {
-		handlers.PatchResource(r, scope, admit, converter, supportedTypes)(res.ResponseWriter, req.Request)
+		handlers.PatchResource(r, scope, admit, supportedTypes)(res.ResponseWriter, req.Request)
 	}
 }