Superfluous

src/starsphere/Starsphere.cpp

@@ -746,7 +746,6 @@ void Starsphere::initialize(const int width, const int height, const Resource *f
 
 	glDisable(GL_CLIP_PLANE0);
 	glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-	glFlush();
 }
 
 /**