diff --git a/gfx/common/metal_common.h b/gfx/common/metal_common.h
index c325b2d51e..33f7f36ef4 100644
--- a/gfx/common/metal_common.h
+++ b/gfx/common/metal_common.h
@@ -1,9 +1,18 @@
-//
-//  metal_common.h
-//  RetroArch_Metal
-//
-//  Created by Stuart Carnie on 5/14/18.
-//
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2018-2019 - Stuart Carnie
+ *  Copyright (C) 2011-2017 - Daniel De Matteis
+ *
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #ifndef METAL_COMMON_H__
 #define METAL_COMMON_H__
@@ -26,6 +35,38 @@ extern MTLPixelFormat SelectOptimalPixelFormat(MTLPixelFormat fmt);
 
 #pragma mark - Classes
 
+#import <MetalKit/MetalKit.h>
+
+@interface MetalView : MTKView
+@end
+
+#ifdef HAVE_COCOA_METAL
+
+@protocol ApplePlatform
+
+/*! @brief renderView returns the current render view based on the viewType */
+@property (readonly) id renderView;
+
+/*! @brief isActive returns true if the application has focus */
+@property (readonly) bool hasFocus;
+
+@property (readwrite) apple_view_type_t viewType;
+
+/*! @brief setVideoMode adjusts the video display to the specified mode */
+- (void)setVideoMode:(gfx_ctx_mode_t)mode;
+
+/*! @brief setCursorVisible specifies whether the cursor is visible */
+- (void)setCursorVisible:(bool)v;
+
+/*! @brief controls whether the screen saver should be disabled and
+ * the displays should not sleep.
+ */
+- (bool)setDisableDisplaySleep:(bool)disable;
+@end
+
+extern id<ApplePlatform> apple_platform;
+#endif
+
 @interface FrameView : NSObject
 
 @property (nonatomic, readonly) RPixelFormat format;
diff --git a/gfx/common/metal_common.m b/gfx/common/metal_common.m
index aeb62340d6..19a9e163f2 100644
--- a/gfx/common/metal_common.m
+++ b/gfx/common/metal_common.m
@@ -1,8 +1,17 @@
-/*
- *  metal_common.m
- *  RetroArch_Metal
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2018-2019 - Stuart Carnie
+ *  Copyright (C) 2011-2017 - Daniel De Matteis
  *
- *  Created by Stuart Carnie on 5/14/18.
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #import <Foundation/Foundation.h>
@@ -39,6 +48,24 @@
       x = (__bridge __typeof__(x))(__bridge_retained void *)((NSObject *)__y); \
    }
 
+@implementation MetalView
+
+- (void)keyDown:(NSEvent*)theEvent
+{
+}
+
+/* Stop the annoying sound when pressing a key. */
+- (BOOL)acceptsFirstResponder
+{
+   return YES;
+}
+
+- (BOOL)isFlipped
+{
+   return YES;
+}
+@end
+
 #pragma mark - private categories
 
 @interface FrameView()
diff --git a/ui/drivers/cocoa/cocoa_common.h b/ui/drivers/cocoa/cocoa_common.h
index 81be4afd20..f7aeb94008 100644
--- a/ui/drivers/cocoa/cocoa_common.h
+++ b/ui/drivers/cocoa/cocoa_common.h
@@ -50,40 +50,6 @@ typedef enum apple_view_type {
    APPLE_VIEW_TYPE_METAL,
 } apple_view_type_t;
 
-#ifdef HAVE_METAL
-#import <MetalKit/MetalKit.h>
-
-@interface MetalView : MTKView
-@end
-
-#ifdef HAVE_COCOA_METAL
-
-@protocol ApplePlatform
-
-/*! @brief renderView returns the current render view based on the viewType */
-@property (readonly) id renderView;
-
-/*! @brief isActive returns true if the application has focus */
-@property (readonly) bool hasFocus;
-
-@property (readwrite) apple_view_type_t viewType;
-
-/*! @brief setVideoMode adjusts the video display to the specified mode */
-- (void)setVideoMode:(gfx_ctx_mode_t)mode;
-
-/*! @brief setCursorVisible specifies whether the cursor is visible */
-- (void)setCursorVisible:(bool)v;
-
-/*! @brief controls whether the screen saver should be disabled and
- * the displays should not sleep.
- */
-- (bool)setDisableDisplaySleep:(bool)disable;
-@end
-
-extern id<ApplePlatform> apple_platform;
-#endif
-#endif
-
 #if defined(HAVE_COCOATOUCH)
 #include <UIKit/UIKit.h>
 
diff --git a/ui/drivers/cocoa/cocoa_common.m b/ui/drivers/cocoa/cocoa_common.m
index 3705e2ac77..18b86bbb1d 100644
--- a/ui/drivers/cocoa/cocoa_common.m
+++ b/ui/drivers/cocoa/cocoa_common.m
@@ -29,27 +29,6 @@
 #ifdef HAVE_COCOATOUCH
 #import "GCDWebUploader.h"
 #import "WebServer.h"
-
-#endif
-
-#ifdef HAVE_METAL
-@implementation MetalView
-
-- (void)keyDown:(NSEvent*)theEvent
-{
-}
-
-/* Stop the annoying sound when pressing a key. */
-- (BOOL)acceptsFirstResponder
-{
-   return YES;
-}
-
-- (BOOL)isFlipped
-{
-   return YES;
-}
-@end
 #endif
 
 static CocoaView* g_instance;
@@ -354,6 +333,6 @@ void *glkitview_init(void);
     }];
 #endif
 }
-#endif  // end HAVE_COCOATOUCH
+#endif
 
 @end