diff --git a/src/app/modules/palettes.cpp b/src/app/modules/palettes.cpp
index 101194359..fb73279ac 100644
--- a/src/app/modules/palettes.cpp
+++ b/src/app/modules/palettes.cpp
@@ -23,12 +23,10 @@
 #include "app/app.h"
 #include "app/modules/palettes.h"
 #include "raster/blend.h"
-#include "raster/conversion_alleg.h"
 #include "raster/image.h"
 #include "raster/palette.h"
 #include "raster/sprite.h"
 
-#include <allegro.h>
 #include <cstring>
 
 namespace app {
@@ -47,11 +45,7 @@ static Palette* ase_current_palette = NULL;
 int init_module_palette()
 {
   ase_default_palette = new Palette(FrameNumber(0), 256);
-  convert_palette_from_allegro(default_palette, ase_default_palette);
-
   ase_current_palette = new Palette(FrameNumber(0), 256);
-  convert_palette_from_allegro(black_palette, ase_current_palette);
-
   return 0;
 }
 
@@ -93,11 +87,6 @@ bool set_current_palette(const Palette *_palette, bool forced)
     // Copy current palette
     palette->copyColorsTo(ase_current_palette);
 
-    // Change system color palette
-    PALETTE allegPal;
-    convert_palette_to_allegro(palette, allegPal);
-    set_palette(allegPal);
-
     // Call slots in signals
     App::instance()->PaletteChange();
 
diff --git a/src/raster/CMakeLists.txt b/src/raster/CMakeLists.txt
index 3da66e95a..e02b98bdf 100644
--- a/src/raster/CMakeLists.txt
+++ b/src/raster/CMakeLists.txt
@@ -13,7 +13,6 @@ add_library(raster-lib
   cel.cpp
   cel_io.cpp
   color_scales.cpp
-  conversion_alleg.cpp
   conversion_she.cpp
   dirty.cpp
   dirty_io.cpp
diff --git a/src/raster/conversion_alleg.cpp b/src/raster/conversion_alleg.cpp
deleted file mode 100644
index 5a0f89d84..000000000
--- a/src/raster/conversion_alleg.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Aseprite
- * Copyright (C) 2001-2013  David Capello
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "raster/conversion_alleg.h"
-
-#include "raster/algo.h"
-#include "raster/blend.h"
-#include "raster/color_scales.h"
-#include "raster/palette.h"
-#include "raster/rgbmap.h"
-
-#include <allegro.h>
-
-namespace raster {
-
-void convert_palette_to_allegro(const Palette* palette, RGB* rgb)
-{
-  int i;
-  for (i=0; i<palette->size(); ++i) {
-    color_t c = palette->getEntry(i);
-    rgb[i].r = rgba_getr(c) / 4;
-    rgb[i].g = rgba_getg(c) / 4;
-    rgb[i].b = rgba_getb(c) / 4;
-  }
-  for (; i<Palette::MaxColors; ++i) {
-    rgb[i].r = 0;
-    rgb[i].g = 0;
-    rgb[i].b = 0;
-  }
-}
-
-void convert_palette_from_allegro(const RGB* rgb, Palette* palette)
-{
-  palette->resize(Palette::MaxColors);
-  for (int i=0; i<Palette::MaxColors; ++i) {
-    palette->setEntry(i, rgba(scale_6bits_to_8bits(rgb[i].r),
-                              scale_6bits_to_8bits(rgb[i].g),
-                              scale_6bits_to_8bits(rgb[i].b), 255));
-  }
-}
-
-} // namespace raster
diff --git a/src/raster/conversion_alleg.h b/src/raster/conversion_alleg.h
deleted file mode 100644
index afa4c7ab9..000000000
--- a/src/raster/conversion_alleg.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Aseprite
- * Copyright (C) 2001-2013  David Capello
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef RASTER_CONVERSION_ALLEG_H_INCLUDED
-#define RASTER_CONVERSION_ALLEG_H_INCLUDED
-#pragma once
-
-#include <allegro/color.h>
-
-namespace raster {
-  class Palette;
-
-  void convert_palette_to_allegro(const Palette* palette, RGB* rgb);
-  void convert_palette_from_allegro(const RGB* rgb, Palette* palette);
-
-} // namespace raster
-
-#endif
diff --git a/src/raster/palette.cpp b/src/raster/palette.cpp
index 691ca6e57..a9be7d93d 100644
--- a/src/raster/palette.cpp
+++ b/src/raster/palette.cpp
@@ -24,7 +24,6 @@
 
 #include "gfx/hsv.h"
 #include "gfx/rgb.h"
-#include "raster/conversion_alleg.h"
 #include "raster/image.h"
 
 #include <algorithm>