diff --git a/src/raster/image_impl.h b/src/raster/image_impl.h
index c1ab64637..faadcdb29 100644
--- a/src/raster/image_impl.h
+++ b/src/raster/image_impl.h
@@ -20,7 +20,6 @@
 #define RASTER_IMAGE_IMPL_H_INCLUDED
 
 #include <cassert>
-#include <allegro.h>
 
 #include "raster/image.h"