diff --git a/common/gal/opengl/opengl_gal.cpp b/common/gal/opengl/opengl_gal.cpp
index 9a4be2c030..bf28e03e19 100644
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@@ -285,7 +285,6 @@ void OPENGL_GAL::EndDrawing()
     compositor.DrawBuffer( overlayBuffer );
     blitCursor();
 
-    glFlush();
     SwapBuffers();
 
     delete clientDC;