diff --git a/rendering_api/metal/src/core/instance/metal_instance.cpp b/rendering_api/metal/src/core/instance/metal_instance.cpp
deleted file mode 100644
index 5f46251..0000000
--- a/rendering_api/metal/src/core/instance/metal_instance.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <gryphn/gryphn.h>
-#include <gryphn/gryphn_utils.h>
-// #include "bridge/metal_bridge.h"
-#include "metal_instance.h"
-
-GN_EXPORT gnReturnCode gnCreateInstanceFn(gnInstance* instance) {
-    if (instance->instance == nullptr) instance->instance = new gnPlatformInstance();
-    return GN_SUCCESS;
-}
-
-GN_EXPORT void gnDestroyInstanceFn(gnInstance& instance) {
-
-}
-
-GN_EXPORT gnReturnCode gnCreateMacOSWindowSurfaceFn(gnInstance& instance, NS::Window* window, NS::View* view) {
-    if (instance.instance == nullptr) instance.instance = new gnPlatformInstance();
-    instance.instance->metalContentView = view;
-    return GN_SUCCESS;
-}
diff --git a/rendering_api/metal/src/core/instance/metal_instance.h b/rendering_api/metal/src/core/instance/metal_instance.h
index 44fe05a..703406a 100644
--- a/rendering_api/metal/src/core/instance/metal_instance.h
+++ b/rendering_api/metal/src/core/instance/metal_instance.h
@@ -1,10 +1,8 @@
 #pragma once
-#include <Metal/Metal.hpp>
-#include <AppKit/AppKit.hpp>
-
-struct GLFWwindow;
+#include <Metal/MTLRenderPipeline.h>
+#include <AppKit/AppKit.h>
 
 typedef struct gnPlatformInstance_t {
-    NS::View* metalContentView;
-    MTL::RenderPipelineState* framebufferRenderer, *testSquareRenderer;
+    NSView* metalContentView;
+    id<MTLRenderPipelineState> framebufferRenderer;
 } gnPlatformInstance;
diff --git a/rendering_api/metal/src/core/instance/metal_instance.m b/rendering_api/metal/src/core/instance/metal_instance.m
new file mode 100644
index 0000000..69e0e5e
--- /dev/null
+++ b/rendering_api/metal/src/core/instance/metal_instance.m
@@ -0,0 +1,14 @@
+#include <gryphn/gryphn.h>
+#include <gryphn/gryphn_utils.h>
+#include "metal_instance.h"
+// #include "bridge/metal_bridge.h"
+
+
+gnReturnCode gnCreateInstanceFn(gnInstance* instance, gnInstanceInfo instanceInfo) {
+    if (instance->instance == NULL) instance->instance = malloc(sizeof(gnPlatformInstance));
+    return GN_SUCCESS;
+}
+
+void gnDestroyInstanceFn(gnInstance* instance) {
+    free(instance->instance);
+}