diff --git a/source/ps/GameSetup/GameSetup.cpp b/source/ps/GameSetup/GameSetup.cpp
index 5f8a80aff0..68bc715e48 100644
--- a/source/ps/GameSetup/GameSetup.cpp
+++ b/source/ps/GameSetup/GameSetup.cpp
@@ -296,16 +296,6 @@ static void ShutdownPs()
 
 static void InitSDL()
 {
-#if OS_LINUX
-	// In fullscreen mode when SDL is compiled with DGA support, the mouse
-	// sensitivity often appears to be unusably wrong (typically too low).
-	// (This seems to be reported almost exclusively on Ubuntu, but can be
-	// reproduced on Gentoo after explicitly enabling DGA.)
-	// Disabling the DGA mouse appears to fix that problem, and doesn't
-	// have any obvious negative effects.
-	setenv("SDL_VIDEO_X11_DGAMOUSE", "0", 0);
-#endif
-
 	if(SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_NOPARACHUTE) < 0)
 	{
 		LOGERROR("SDL library initialization failed: %s", SDL_GetError());