diff --git a/src/gl/system/gl_swframebuffer.cpp b/src/gl/system/gl_swframebuffer.cpp
index 5e4642610..937778847 100644
--- a/src/gl/system/gl_swframebuffer.cpp
+++ b/src/gl/system/gl_swframebuffer.cpp
@@ -93,7 +93,6 @@ EXTERN_CVAR(Float, Gamma)
 EXTERN_CVAR(Bool, vid_vsync)
 EXTERN_CVAR(Float, transsouls)
 EXTERN_CVAR(Int, vid_refreshrate)
-EXTERN_CVAR(Bool, gl_legacy_mode)
 
 #ifdef WIN32
 extern cycle_t BlitCycles;
@@ -199,10 +198,6 @@ OpenGLSWFrameBuffer::OpenGLSWFrameBuffer(void *hMonitor, int width, int height,
 	const char *glversion = (const char*)glGetString(GL_VERSION);
 	bool isGLES = (glversion && strlen(glversion) > 10 && memcmp(glversion, "OpenGL ES ", 10) == 0);
 
-	UCVarValue value;
-	value.Bool = !ogl_IsVersionGEQ(3, 0);
-	gl_legacy_mode.ForceSet (value, CVAR_Bool);
-
 	if (!isGLES && ogl_IsVersionGEQ(3, 0) == 0)
 	{
 		Printf("OpenGL acceleration requires at least OpenGL 3.0. No Acceleration will be used.\n");