diff --git a/cpp_examples/rhi_examples/CMakeLists.txt b/cpp_examples/rhi_examples/CMakeLists.txt
index e05ad11036bc2..647d5315fd448 100644
--- a/cpp_examples/rhi_examples/CMakeLists.txt
+++ b/cpp_examples/rhi_examples/CMakeLists.txt
@@ -2,7 +2,7 @@ macro(make_sample executable_name src_file)
 add_executable(${executable_name})
 set_property(TARGET ${executable_name} PROPERTY CXX_STANDARD 17)
 set_property(TARGET ${executable_name} PROPERTY C_STANDARD 17)
-target_sources(${executable_name} PRIVATE ${src_file} "common.h" "common_metal.mm")
+target_sources(${executable_name} PRIVATE ${src_file} "common.h")
 target_include_directories(${executable_name}
 PRIVATE
   ${PROJECT_SOURCE_DIR}
@@ -24,7 +24,7 @@ target_include_directories(${executable_name} SYSTEM
   PUBLIC
     ${PROJECT_SOURCE_DIR}/external/VulkanMemoryAllocator/include
   )
-target_link_libraries(${executable_name} taichi_core glfw "-framework QuartzCore")
+target_link_libraries(${executable_name} taichi_core glfw)
 endmacro()
 
 make_sample(sample_1_window sample_1_window.cpp)
diff --git a/cpp_examples/rhi_examples/common_metal.h b/cpp_examples/rhi_examples/common_metal.h
deleted file mode 100644
index 2e8c141985f9c..0000000000000
--- a/cpp_examples/rhi_examples/common_metal.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#pragma once
-
-#define GLFW_INCLUDE_NONE
-#import <GLFW/glfw3.h>
-#define GLFW_EXPOSE_NATIVE_COCOA
-#import <GLFW/glfw3native.h>
-#include "glm/glm.hpp"
-
-#if defined(__APPLE__) && defined(__OBJC__)
-#import <Metal/Metal.h>
-#import <QuartzCore/QuartzCore.h>
-#define DEFINE_METAL_ID_TYPE(x) typedef id<x> x##_id;
-#else
-#define DEFINE_METAL_ID_TYPE(x) typedef struct x##_t *x##_id;
-#endif
-
-DEFINE_METAL_ID_TYPE(MTLDevice);
-DEFINE_METAL_ID_TYPE(MTLBuffer);
-DEFINE_METAL_ID_TYPE(MTLTexture);
-DEFINE_METAL_ID_TYPE(MTLSamplerState);
-DEFINE_METAL_ID_TYPE(MTLLibrary);
-DEFINE_METAL_ID_TYPE(MTLFunction);
-DEFINE_METAL_ID_TYPE(MTLComputePipelineState);
-DEFINE_METAL_ID_TYPE(MTLCommandQueue);
-DEFINE_METAL_ID_TYPE(MTLCommandBuffer);
-DEFINE_METAL_ID_TYPE(MTLBlitCommandEncoder);
-DEFINE_METAL_ID_TYPE(MTLComputeCommandEncoder);
-DEFINE_METAL_ID_TYPE(CAMetalDrawable);
-
-#undef DEFINE_METAL_ID_TYPE
-
-#include "taichi/rhi/metal/metal_api.h"
-#include "taichi/rhi/metal/metal_device.h"
-
-using namespace taichi::lang;
-
-class App {
- public:
-  explicit App(int width, int height, const std::string &title);
-  virtual ~App();
-
-  virtual std::vector<StreamSemaphore> render_loop(
-      StreamSemaphore image_available_semaphore) {
-    return {};
-  }
-
-  void run();
-
- private:
-  GLFWwindow *glfw_window;
-  metal::MetalDevice *rhi_metal_device;
-  
-  std::unique_ptr<Surface> surface;
-
-};
\ No newline at end of file
diff --git a/cpp_examples/rhi_examples/common_metal.mm b/cpp_examples/rhi_examples/common_metal.mm
deleted file mode 100644
index 240d933d8610d..0000000000000
--- a/cpp_examples/rhi_examples/common_metal.mm
+++ /dev/null
@@ -1,71 +0,0 @@
-#include "common_metal.h"
-
-#include <assert.h>
-#import <simd/simd.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-using namespace taichi::lang;
-
-static void glfw_error_callback(int error, const char *description) {
-  TI_WARN("GLFW Error {}: {}", error, description);
-}
-
-App::App(int width, int height, const std::string &title) {
-  TI_INFO("Creating App '{}' of {}x{}", title, width, height);
-
-  TI_ASSERT(metal::is_metal_api_available());
-
-  rhi_metal_device = metal::MetalDevice::create();
-  MTLDevice_id mtl_device = rhi_metal_device->mtl_device();
-
-  if (!mtl_device)
-    TI_ERROR("failed to init Metal Device");
-
-  if (glfwInit()) {
-    TI_INFO("Initialized GLFW");
-
-    glfwSetErrorCallback(glfw_error_callback);
-    glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE);
-    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
-    glfw_window =
-        glfwCreateWindow(width, height, "Sample Window", nullptr, nullptr);
-    if (!glfw_window) {
-      glfwTerminate();
-      TI_ERROR("failed to init GLFW Window");
-    }
-    TI_INFO("Initialized GLFW Window");
-  } else {
-    TI_ERROR("failed to init GLFW");
-  }
-
-  SurfaceConfig config;
-  config.width = width;
-  config.height = height;
-
-  surface = rhi_metal_device->create_surface(config);
-
-  metal::MetalSurface* mtl_surf = dynamic_cast<metal::MetalSurface*> (surface.get());
-
-  NSWindow *nswin = glfwGetCocoaWindow(glfw_window);
-  nswin.contentView.layer = mtl_surf->mtl_layer();
-  nswin.contentView.wantsLayer = YES;
-
-  
-}
-
-App::~App() {
-  surface.reset();
-  glfwDestroyWindow(glfw_window);
-  glfwTerminate();
-}
-
-void App::run() {
-  while (!glfwWindowShouldClose(glfw_window)) {
-    auto image_available_semaphore = surface->acquire_next_image();
-
-    glfwPollEvents();
-
-    surface->present_image(render_loop(image_available_semaphore));
-  }
-}
diff --git a/cpp_examples/rhi_examples/sample_1_window.cpp b/cpp_examples/rhi_examples/sample_1_window.cpp
index 9d23b8e09720c..c1e5d0272a5dc 100644
--- a/cpp_examples/rhi_examples/sample_1_window.cpp
+++ b/cpp_examples/rhi_examples/sample_1_window.cpp
@@ -1,4 +1,4 @@
-#include "common_metal.h"
+#include "common.h"
 
 class SampleApp : public App {
  public: