diff --git a/wadsrc/static/shaders/glsl/stencil.fp b/wadsrc/static/shaders/glsl/stencil.fp
index 7cc579d9e..9e4afec04 100644
--- a/wadsrc/static/shaders/glsl/stencil.fp
+++ b/wadsrc/static/shaders/glsl/stencil.fp
@@ -2,12 +2,6 @@ in vec4 pixelpos;
 
 void main()
 {
-#ifndef NO_DISCARD
-	// clip plane emulation for plane reflections. These are always perfectly horizontal so a simple check of the pixelpos's y coordinate is sufficient.
-	if (pixelpos.y > uClipHeight + 65536.0) discard;
-	if (pixelpos.y < uClipHeight - 65536.0) discard;
-#endif
-
 	gl_FragColor = vec4(1.0);
 }