diff --git a/src/posix/sdl/sdlglvideo.cpp b/src/posix/sdl/sdlglvideo.cpp
index 0d4c7ddce..e8c0969da 100644
--- a/src/posix/sdl/sdlglvideo.cpp
+++ b/src/posix/sdl/sdlglvideo.cpp
@@ -190,10 +190,6 @@ namespace Priv
 
 	void SetupPixelFormat(int multisample, const int *glver)
 	{
-		SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
-		SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
-		SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
-		SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
 		SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
 		SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
 		SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);