diff --git a/Common/util/wgt2allg.cpp b/Common/util/wgt2allg.cpp
index cdab749a8a8..0926ca34f08 100644
--- a/Common/util/wgt2allg.cpp
+++ b/Common/util/wgt2allg.cpp
@@ -16,6 +16,37 @@
 
 using namespace AGS::Common;
 
+  void __my_setcolor(int *ctset, int newcol, int wantColDep)
+  {
+    if (wantColDep == 8)
+    {
+      ctset[0] = newcol;
+    }
+    else if ((newcol >= 32) && (wantColDep > 16))
+    {
+      // true-color
+      ctset[0] = makeacol32(getr16(newcol), getg16(newcol), getb16(newcol), 255);
+    }
+    else if (newcol >= 32)
+    {
+      // If it's 15-bit, convert the color
+      if (wantColDep == 15)
+        ctset[0] = (newcol & 0x001f) | ((newcol >> 1) & 0x7fe0);
+      else
+        ctset[0] = newcol;
+    } 
+    else
+    {
+      // indexed color, use palette
+      ctset[0] = makecol_depth(wantColDep, col_lookups[newcol] >> 16,
+                               (col_lookups[newcol] >> 8) & 0x000ff, col_lookups[newcol] & 0x000ff);
+
+      // in case it's used on an alpha-channel sprite, make sure it's visible
+      if (wantColDep > 16)
+        ctset[0] |= 0xff000000;
+    }
+  }
+
   void wsetrgb(int coll, int r, int g, int b, RGB * pall)
   {
     pall[coll].r = r;
diff --git a/Editor/AGS.Native/NativeDLL.vcxproj b/Editor/AGS.Native/NativeDLL.vcxproj
index 147ad4982cb..ebd84a9f6cd 100644
--- a/Editor/AGS.Native/NativeDLL.vcxproj
+++ b/Editor/AGS.Native/NativeDLL.vcxproj
@@ -331,7 +331,6 @@ copy "$(TargetPath)" "$(SolutionDir)..\Editor\References\x64"</Command>
     <ClCompile Include="..\Native\acgui_agsnative.cpp" />
     <ClCompile Include="..\Native\ac\actiontype.cpp" />
     <ClCompile Include="..\Native\ac\scriptmodule.cpp" />
-    <ClCompile Include="..\Native\color_native.cpp" />
     <ClCompile Include="..\scintilla\lexers\LexCPP.cxx" />
     <ClCompile Include="..\scintilla\lexlib\Accessor.cxx" />
     <ClCompile Include="..\scintilla\lexlib\CharacterCategory.cxx" />
diff --git a/Editor/AGS.Native/NativeDLL.vcxproj.filters b/Editor/AGS.Native/NativeDLL.vcxproj.filters
index 95ee6a89d4f..75b6dcc5d42 100644
--- a/Editor/AGS.Native/NativeDLL.vcxproj.filters
+++ b/Editor/AGS.Native/NativeDLL.vcxproj.filters
@@ -52,9 +52,6 @@
     <ClCompile Include="agsnative.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\Native\color_native.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="NativeMethods.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
diff --git a/Editor/Native/color_native.cpp b/Editor/Native/color_native.cpp
deleted file mode 100644
index 6187352845d..00000000000
--- a/Editor/Native/color_native.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-//=============================================================================
-//
-// Adventure Game Studio (AGS)
-//
-// Copyright (C) 1999-2011 Chris Jones and 2011-2024 various contributors
-// The full list of copyright holders can be found in the Copyright.txt
-// file, which is part of this source code distribution.
-//
-// The AGS source code is provided under the Artistic License 2.0.
-// A copy of this license can be found in the file License.txt and at
-// https://opensource.org/license/artistic-2-0/
-//
-//=============================================================================
-//
-// Implementation from wgt2allg.cpp specific to AGS.Native (Editor).
-//
-//=============================================================================
-
-#include "util/wgt2allg.h"
-#include "gfx/bitmap.h"
-
-void __my_setcolor(int *ctset, int newcol, int wantColDep)
-{
-    if (wantColDep == 8)
-      ctset[0] = newcol;
-    else if (newcol & 0x40000000) // already calculated it
-      ctset[0] = newcol;
-    else if ((newcol >= 32) && (wantColDep > 16)) {
-      // true-color
-      ctset[0] = makeacol32(getr16(newcol), getg16(newcol), getb16(newcol), 255);
-    }
-    else if (newcol >= 32) {
-      // If it's 15-bit, convert the color
-      if (wantColDep == 15)
-        ctset[0] = (newcol & 0x001f) | ((newcol >> 1) & 0x7fe0);
-      else
-        ctset[0] = newcol;
-    } 
-    else
-    {
-      ctset[0] = makecol_depth(wantColDep, col_lookups[newcol] >> 16,
-                               (col_lookups[newcol] >> 8) & 0x000ff, col_lookups[newcol] & 0x000ff);
-
-      // in case it's used on an alpha-channel sprite, make sure it's visible
-      if (wantColDep > 16)
-        ctset[0] |= 0xff000000;
-    }
-}
diff --git a/Engine/CMakeLists.txt b/Engine/CMakeLists.txt
index 77c2b092716..7001d08f9f2 100644
--- a/Engine/CMakeLists.txt
+++ b/Engine/CMakeLists.txt
@@ -312,7 +312,6 @@ target_sources(engine
     gfx/ali3dsw.h
     gfx/blender.cpp
     gfx/blender.h
-    gfx/color_engine.cpp
     gfx/ddb.h
     gfx/gfx_util.cpp
     gfx/gfx_util.h
diff --git a/Engine/gfx/color_engine.cpp b/Engine/gfx/color_engine.cpp
deleted file mode 100644
index 5d6afb80f70..00000000000
--- a/Engine/gfx/color_engine.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-//=============================================================================
-//
-// Adventure Game Studio (AGS)
-//
-// Copyright (C) 1999-2011 Chris Jones and 2011-2024 various contributors
-// The full list of copyright holders can be found in the Copyright.txt
-// file, which is part of this source code distribution.
-//
-// The AGS source code is provided under the Artistic License 2.0.
-// A copy of this license can be found in the file License.txt and at
-// https://opensource.org/license/artistic-2-0/
-//
-//=============================================================================
-//
-// Implementation from wgt2allg.cpp specific to Engine runtime
-//
-//=============================================================================
-#include <allegro.h>
-#include "util/wgt2allg.h"
-
-void __my_setcolor(int *ctset, int newcol, int wantColDep)
-  {
-    if (wantColDep == 8)
-      ctset[0] = newcol;
-    else if (newcol & 0x40000000) // already calculated it
-      ctset[0] = newcol;
-    else if ((newcol >= 32) && (wantColDep > 16)) {
-      // true-color
-#ifdef SWAP_RB_HICOL_FOR_32to24_32
-      ctset[0] = makeacol32(getb16(newcol), getg16(newcol), getr16(newcol), 255);
-#else
-      ctset[0] = makeacol32(getr16(newcol), getg16(newcol), getb16(newcol), 255);
-#endif
-    }
-    else if (newcol >= 32) {
-
-      // If it's 15-bit, convert the color
-      if (wantColDep == 15)
-        ctset[0] = (newcol & 0x001f) | ((newcol >> 1) & 0x7fe0);
-      else
-        ctset[0] = newcol;
-    } 
-    else
-    {
-      ctset[0] = makecol_depth(wantColDep, col_lookups[newcol] >> 16,
-                               (col_lookups[newcol] >> 8) & 0x000ff, col_lookups[newcol] & 0x000ff);
-
-      // in case it's used on an alpha-channel sprite, make sure it's visible
-      if (wantColDep > 16)
-        ctset[0] |= 0xff000000;
-    }
-
-    // if it's 32-bit color, signify that the colour has been calculated
-    //if (wantColDep >= 24)
-//      ctset[0] |= 0x40000000;
-  }
diff --git a/Solutions/Engine.App/Engine.App.vcxproj b/Solutions/Engine.App/Engine.App.vcxproj
index 9d52b753850..dd0cc6a169a 100644
--- a/Solutions/Engine.App/Engine.App.vcxproj
+++ b/Solutions/Engine.App/Engine.App.vcxproj
@@ -593,7 +593,6 @@
     <ClCompile Include="..\..\Engine\gfx\ali3dogl.cpp" />
     <ClCompile Include="..\..\Engine\gfx\ali3dsw.cpp" />
     <ClCompile Include="..\..\Engine\gfx\blender.cpp" />
-    <ClCompile Include="..\..\Engine\gfx\color_engine.cpp" />
     <ClCompile Include="..\..\Engine\gfx\gfxdriverbase.cpp" />
     <ClCompile Include="..\..\Engine\gfx\gfxdriverfactory.cpp" />
     <ClCompile Include="..\..\Engine\gfx\gfxfilter_aad3d.cpp" />
diff --git a/Solutions/Engine.App/Engine.App.vcxproj.filters b/Solutions/Engine.App/Engine.App.vcxproj.filters
index ae3295820b5..cc7f9935b02 100644
--- a/Solutions/Engine.App/Engine.App.vcxproj.filters
+++ b/Solutions/Engine.App/Engine.App.vcxproj.filters
@@ -516,9 +516,6 @@
     <ClCompile Include="..\..\Engine\gfx\blender.cpp">
       <Filter>Source Files\gfx</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\Engine\gfx\color_engine.cpp">
-      <Filter>Source Files\gfx</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\Engine\gfx\gfx_util.cpp">
       <Filter>Source Files\gfx</Filter>
     </ClCompile>