diff --git a/src/gl/renderer/gl_colormap.h b/src/gl/renderer/gl_colormap.h
deleted file mode 100644
index 46e36431e..000000000
--- a/src/gl/renderer/gl_colormap.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef __GL_COLORMAP
-#define __GL_COLORMAP
-
-#include "doomtype.h"
-#include "v_palette.h"
-#include "r_data/colormaps.h"
-
-struct lightlist_t;
-
-enum EColorManipulation
-{
-	CM_SPECIAL2D = -3,			// the special colormaps get passed as color pair from the 2D drawer so they need a different value here.
-	CM_PLAIN2D = -2,			// regular 2D drawing.
-	CM_INVALID=-1,
-	CM_DEFAULT=0,					// untranslated
-	CM_FIRSTSPECIALCOLORMAP,		// first special fixed colormap
-	CM_FIRSTSPECIALCOLORMAPFORCED= 0x08000000,	// first special fixed colormap, application forced (for 2D overlays)
-
-	CM_FOGLAYER = 0x10000000,	// Sprite shaped fog layer
-
-	// These are not to be passed to the texture manager
-	CM_LITE	= 0x20000000,		// special values to handle these items without excessive hacking
-	CM_TORCH= 0x20000010,		// These are not real color manipulations
-};
-
-#define CM_MAXCOLORMAP int(CM_FIRSTSPECIALCOLORMAP + SpecialColormaps.Size())
-#define CM_MAXCOLORMAPFORCED int(CM_FIRSTSPECIALCOLORMAPFORCED + SpecialColormaps.Size())
-
-
-#endif