diff --git a/src/w_wad.c b/src/w_wad.c
index 9ff082aa5..0db81096b 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -1894,8 +1894,6 @@ int W_VerifyNMUSlumps(const char *filename)
 		{"YB_", 3}, // Intermission graphics, goes with the above
 		{"M_", 2}, // As does menu stuff
 		{"MUSICDEF", 8}, // Song definitions (thanks kart)
-		{"SHADERS", 7}, // Shader definitions
-		{"SH_", 3}, // GLSL shader
 
 		{NULL, 0},
 	};