diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 8041816a0..43b80a34a 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -18,10 +18,6 @@
 #include "common/platform.h"
 #include "common/scope_exit.h"
 
-#if EMU_PLATFORM == PLATFORM_LINUX
-#include <unistd.h>
-#endif
-
 #include "bootmanager.h"
 #include "hotkeys.h"
 
diff --git a/src/common/platform.h b/src/common/platform.h
index bda3e7be7..0a912dda3 100644
--- a/src/common/platform.h
+++ b/src/common/platform.h
@@ -24,39 +24,9 @@
 
 #pragma once
 
-#include "common/common_types.h"
-
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Platform definitions
-
-/// Enumeration for defining the supported platforms
-#define PLATFORM_NULL 0
-#define PLATFORM_WINDOWS 1
-#define PLATFORM_MACOSX 2
-#define PLATFORM_LINUX 3
-#define PLATFORM_ANDROID 4
-
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Platform detection
 
-#ifndef EMU_PLATFORM
-
-#if defined( __WIN32__ ) || defined( _WIN32 )
-#define EMU_PLATFORM PLATFORM_WINDOWS
-
-#elif defined( __APPLE__ ) || defined( __APPLE_CC__ )
-#define EMU_PLATFORM PLATFORM_MACOSX
-
-#elif defined(__linux__)
-#define EMU_PLATFORM PLATFORM_LINUX
-
-#else // Assume linux otherwise
-#define EMU_PLATFORM PLATFORM_LINUX
-
-#endif
-
-#endif
-
 #if defined(__x86_64__) || defined(_M_X64) || defined(__aarch64__)
     #define EMU_ARCH_BITS 64
 #elif defined(__i386) || defined(_M_IX86) || defined(__arm__) || defined(_M_ARM)