diff --git a/specs/udmf_zdoom.txt b/specs/udmf_zdoom.txt
index 379f1aefa..797d092ef 100644
--- a/specs/udmf_zdoom.txt
+++ b/specs/udmf_zdoom.txt
@@ -229,9 +229,7 @@ Note: All <bool> fields default to false unless mentioned otherwise.
 	                                     in OpenGL 2.x this will define the entire wall's color) Default is white (0xffffff)
 	  color_wallbottom = <int>;       // Material color of bottom of sector's sidedefs (OpenGL 3.x and later only) Default is white (0xffffff)
 	  color_sprites = <int>;          // Material color of sprites in sector (OpenGL only.) Default is white (0xffffff)
-	  color_absolute = <bool>         // treats the above properties as absolute, i.e. final light level is only defined by the color, the sector's light level is ignored
-	                                     for calculating the light color. The sector's light level is only used for fog density calculations.)
-									  
+							  
 
       portal_ceil_blocksound = <bool> // ceiling portal blocks sound.
       portal_ceil_disabled = <bool>   // ceiling portal disabled.
diff --git a/src/gl/scene/gl_flats.cpp b/src/gl/scene/gl_flats.cpp
index a1f5f989c..1ed0fecfa 100644
--- a/src/gl/scene/gl_flats.cpp
+++ b/src/gl/scene/gl_flats.cpp
@@ -377,7 +377,7 @@ void GLFlat::Draw(int pass, bool trans)	// trans only has meaning for GLPASS_LIG
 	{
 	case GLPASS_PLAIN:			// Single-pass rendering
 	case GLPASS_ALL:			// Same, but also creates the dynlight data.
-		gl_SetColor((sector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : lightlevel, rel, Colormap,1.0f);
+		gl_SetColor(lightlevel, rel, Colormap,1.0f);
 		gl_SetFog(lightlevel, rel, &Colormap, false);
 		gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
 		if (sector->special != GLSector_Skybox)
@@ -404,7 +404,7 @@ void GLFlat::Draw(int pass, bool trans)	// trans only has meaning for GLPASS_LIG
 
 	case GLPASS_TRANSLUCENT:
 		if (renderstyle==STYLE_Add) gl_RenderState.BlendFunc(GL_SRC_ALPHA, GL_ONE);
-		gl_SetColor((sector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : lightlevel, rel, Colormap, alpha);
+		gl_SetColor(lightlevel, rel, Colormap, alpha);
 		gl_SetFog(lightlevel, rel, &Colormap, false);
 		gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
 		if (!gltexture)
diff --git a/src/gl/scene/gl_sprite.cpp b/src/gl/scene/gl_sprite.cpp
index 5ddaab7e5..1a69ca8ac 100644
--- a/src/gl/scene/gl_sprite.cpp
+++ b/src/gl/scene/gl_sprite.cpp
@@ -332,7 +332,7 @@ void GLSprite::Draw(int pass)
 			ThingColor.b * actor->Sector->SpecialColors[sector_t::sprites].b / 255);
 
 		gl_RenderState.SetObjectColor(finalcol);
-		gl_SetColor((actor->Sector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : lightlevel, rel, Colormap, trans);
+		gl_SetColor(lightlevel, rel, Colormap, trans);
 	}
 
 
@@ -401,7 +401,7 @@ void GLSprite::Draw(int pass)
 				thiscm.Decolorize();
 			}
 
-			gl_SetColor((actor->Sector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : thisll, rel, thiscm, trans);
+			gl_SetColor(thisll, rel, thiscm, trans);
 			if (!foglayer)
 			{
 				gl_SetFog(thislight, rel, &thiscm, additivefog);
diff --git a/src/gl/scene/gl_walls_draw.cpp b/src/gl/scene/gl_walls_draw.cpp
index 05461fd55..34a4cc282 100644
--- a/src/gl/scene/gl_walls_draw.cpp
+++ b/src/gl/scene/gl_walls_draw.cpp
@@ -347,7 +347,7 @@ void GLWall::RenderTextured(int rflags)
 	if (lightlist == NULL)
 	{
 		if (type != RENDERWALL_M2SNF) gl_SetFog(lightlevel, rel, &Colormap, RenderStyle == STYLE_Add);
-		gl_SetColor((seg->frontsector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE)? 255 : lightlevel, rel, Colormap, absalpha);
+		gl_SetColor(lightlevel, rel, Colormap, absalpha);
 		RenderWall(rflags);
 	}
 	else
@@ -367,7 +367,7 @@ void GLWall::RenderTextured(int rflags)
 				FColormap thiscm;
 				thiscm.FadeColor = Colormap.FadeColor;
 				thiscm.CopyFrom3DLight(&(*lightlist)[i]);
-				gl_SetColor((seg->frontsector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : thisll, rel, thiscm, absalpha);
+				gl_SetColor(thisll, rel, thiscm, absalpha);
 				if (type != RENDERWALL_M2SNF) gl_SetFog(thisll, rel, &thiscm, RenderStyle == STYLE_Add);
 				gl_RenderState.SetSplitPlanes((*lightlist)[i].plane, lowplane);
 				RenderWall(rflags);
diff --git a/src/gl/scene/gl_weapon.cpp b/src/gl/scene/gl_weapon.cpp
index 6260627ba..62a051e58 100644
--- a/src/gl/scene/gl_weapon.cpp
+++ b/src/gl/scene/gl_weapon.cpp
@@ -417,7 +417,7 @@ void FGLRenderer::DrawPlayerSprites(sector_t * viewsector, bool hudModelStep)
 				{
 					gl_SetDynSpriteLight(playermo, NULL);
 				}
-				gl_SetColor((viewsector->MoreFlags & SECF_SPECIALCOLORSABSOLUTE) ? 255 : ll, 0, cmc, trans, true);
+				gl_SetColor(ll, 0, cmc, trans, true);
 			}
 
 			if (psp->firstTic)
diff --git a/src/namedef.h b/src/namedef.h
index 65719d175..ef7f1c58d 100644
--- a/src/namedef.h
+++ b/src/namedef.h
@@ -554,7 +554,6 @@ xx(Color_Ceiling)
 xx(Color_Walltop)
 xx(Color_Wallbottom)
 xx(Color_Sprites)
-xx(Color_Absolute)
 xx(Desaturation)
 xx(SoundSequence)
 xx(Silent)
diff --git a/src/p_udmf.cpp b/src/p_udmf.cpp
index 0998f5204..6c732d67f 100644
--- a/src/p_udmf.cpp
+++ b/src/p_udmf.cpp
@@ -1480,9 +1480,6 @@ public:
 					sec->SpecialColors[sector_t::sprites] = CheckInt(key) || 0xff000000;
 					break;
 
-				case NAME_Color_Absolute:
-					Flag(sec->MoreFlags, SECF_SPECIALCOLORSABSOLUTE, key);
-
 				case NAME_Desaturation:
 					desaturation = int(255*CheckFloat(key));
 					continue;
diff --git a/src/r_defs.h b/src/r_defs.h
index ff5cdd690..b888864b4 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -479,7 +479,6 @@ enum
 	SECF_UNDERWATERMASK	= 32+64,
 	SECF_DRAWN			= 128,	// sector has been drawn at least once
 	SECF_HIDDEN			= 256,	// Do not draw on textured automap
-	SECF_SPECIALCOLORSABSOLUTE = 512,	// The special colors ignore the light level except for fog density.
 };
 
 enum