diff --git a/CMakeLists.txt b/CMakeLists.txt
index af341594..7b92be3b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -277,7 +277,6 @@ SET(SRC_APU
 SET(SRC_SDL
     src/sdl/debugger.cpp
     src/sdl/SDL.cpp
-#    src/sdl/dummy.cpp
     src/sdl/filters.cpp
     src/sdl/text.cpp
     src/sdl/inputSDL.cpp
diff --git a/src/filters/hq/asm/hq3x32.cpp b/src/filters/hq/asm/hq3x32.cpp
index 9d204b1a..b6a07e73 100644
--- a/src/filters/hq/asm/hq3x32.cpp
+++ b/src/filters/hq/asm/hq3x32.cpp
@@ -35,7 +35,6 @@ void InitLUTs(void)
 }
 
 int hq3xinited=0;
-extern int realsystemRedShift, realsystemBlueShift;
 
 //16 bit input, see below for 32 bit input
 void hq3x32(unsigned char * pIn,  unsigned int srcPitch,
@@ -49,23 +48,6 @@ void hq3x32(unsigned char * pIn,  unsigned int srcPitch,
 		hq3xinited=1;
 	}
 	hq3x_32( pIn, pOut, Xres, Yres, dstPitch, srcPitch - (Xres *2) );
-	if (realsystemRedShift == 3)
-	{   // damn you opengl...
-		int offset = (dstPitch - (Xres *12)) / 4;
-		unsigned int *p = (unsigned int *)pOut;
-		Yres *= 3;
-		while(Yres--)
-		{
-			for(int i=0;i<Xres*3;i++)
-			{
-				*p = (*p & 0xFF0000) >> 16 |
-				     (*p & 0x0000FF) << 16 |
-					 (*p & 0x00FF00);
-				 p++;
-			}
-			p += offset;
-		}
-	}
 }
 
 void hq3x16(unsigned char * pIn,  unsigned int srcPitch,
@@ -107,23 +89,6 @@ void hq4x32(unsigned char * pIn,  unsigned int srcPitch,
 		hq3xinited=1;
 	}
 	hq4x_32( pIn, pOut, Xres, Yres, dstPitch, srcPitch - (Xres *2));
-	if (realsystemRedShift == 3)
-	{   // damn you opengl...
-		int offset = (dstPitch - (Xres *16)) / 4;
-		unsigned int *p = (unsigned int *)pOut;
-		Yres *= 4;
-		while(Yres--)
-		{
-			for(int i=0;i<Xres*4;i++)
-			{
-				*p = (*p & 0xFF0000) >> 16 |
-				     (*p & 0x0000FF) << 16 |
-					 (*p & 0x00FF00);
-				 p++;
-			}
-			p += offset;
-		}
-	}
 }
 
 static inline void convert32bpp_16bpp(unsigned char *pIn, unsigned int width)
diff --git a/src/sdl/dummy.cpp b/src/sdl/dummy.cpp
deleted file mode 100644
index f41d6b4d..00000000
--- a/src/sdl/dummy.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <stdio.h>
-
-//I hate hacks
-
-int realsystemRedShift = 0;
-bool linkenable = false;
-int lspeed = 0;
-
-
-
-void LinkSStop()
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-
-void StartLink(unsigned short)
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-
-void LinkSSend(unsigned short)
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-
-void StartGPLink(unsigned short)
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-
-void StartJOYLink(unsigned short)
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-
-void LinkUpdate(int)
-{
-  const char *f = __func__;
-  printf("Stub Function: %s\n", f);
-}
-