diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index fca832053..0dd951efd 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -265,7 +265,7 @@ static int hudinfo_num(lua_State *L)
 
 static int colormap_get(lua_State *L)
 {
-	UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
+	const UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
 	UINT32 i = luaL_checkinteger(L, 2);
 	if (i >= 256)
 		return luaL_error(L, "colormap index %d out of range (0 - %d)", i, 255);
@@ -273,23 +273,6 @@ static int colormap_get(lua_State *L)
 	return 1;
 }
 
-static int colormap_set(lua_State *L)
-{
-	UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
-	UINT32 i = luaL_checkinteger(L, 2);
-	if (i >= 256)
-		return luaL_error(L, "colormap index %d out of range (0 - %d)", i, 255);
-	colormap[i] = (UINT8)luaL_checkinteger(L, 3);
-	return 0;
-}
-
-static int colormap_free(lua_State *L)
-{
-	UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
-	Z_Free(colormap);
-	return 0;
-}
-
 static int patch_get(lua_State *L)
 {
 	patch_t *patch = *((patch_t **)luaL_checkudata(L, 1, META_PATCH));
@@ -1057,7 +1040,7 @@ static int libd_getColormap(lua_State *L)
 
 	// all was successful above, now we generate the colormap at last!
 
-	colormap = R_GetTranslationColormap(skinnum, color, 0);
+	colormap = R_GetTranslationColormap(skinnum, color, GTC_CACHE);
 	LUA_PushUserdata(L, colormap, META_COLORMAP); // push as META_COLORMAP userdata, specifically for patches to use!
 	return 1;
 }
@@ -1066,14 +1049,10 @@ static int libd_getStringColormap(lua_State *L)
 {
 	INT32 flags = luaL_checkinteger(L, 1);
 	UINT8* colormap = NULL;
-	UINT8* lua_colormap = NULL;
 	HUDONLY
 	colormap = V_GetStringColormap(flags & V_CHARCOLORMASK);
 	if (colormap) {
-		lua_colormap = Z_Malloc(256 * sizeof(UINT8), PU_LUA, NULL);
-		memcpy(lua_colormap, colormap, 256 * sizeof(UINT8));
-
-		LUA_PushUserdata(L, lua_colormap, META_COLORMAP); // push as META_COLORMAP userdata, specifically for patches to use!
+		LUA_PushUserdata(L, colormap, META_COLORMAP); // push as META_COLORMAP userdata, specifically for patches to use!
 		return 1;
 	}
 	return 0;
@@ -1348,12 +1327,6 @@ int LUA_HudLib(lua_State *L)
 	luaL_newmetatable(L, META_COLORMAP);
 		lua_pushcfunction(L, colormap_get);
 		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, colormap_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, colormap_free);
-		lua_setfield(L, -2, "__gc");
 	lua_pop(L,1);
 
 	luaL_newmetatable(L, META_PATCH);