diff --git a/gdk-pixbuf/io-gif-animation.c b/gdk-pixbuf/io-gif-animation.c
index 17e0aa8..f4bdad3 100644
--- a/gdk-pixbuf/io-gif-animation.c
+++ b/gdk-pixbuf/io-gif-animation.c
@@ -208,6 +208,34 @@ gdk_pixbuf_gif_anim_iter_finalize (GObject *object)
         G_OBJECT_CLASS (gdk_pixbuf_gif_anim_iter_parent_class)->finalize (object);
 }
 
+static void 
+gdk_pixbuf_gif_anim_iter_clean_previous (GList *initial) 
+{
+        GList *tmp = initial;
+        while (tmp != NULL) {
+                GdkPixbufFrame *curr_frame = tmp->data;
+                /* not exist composite frame for current */
+                if (!curr_frame->composited || curr_frame->need_recomposite)
+                        return;
+                tmp = tmp->prev;
+                /* previous not exist*/
+                if (tmp == NULL)
+                        return;
+                GdkPixbufFrame *prev_frame = tmp->data;
+                /* not exist composite frame for previous */
+                if(!prev_frame->composited || prev_frame->need_recomposite)
+                        return;
+                /*
+                 * g_print("composited h*w: %d*%d\n", 
+                 *          gdk_pixbuf_get_height(prev_frame->composited), 
+                 *          gdk_pixbuf_get_width(prev_frame->composited));
+                 */
+                 /* delete cached pixbuf */
+                 g_object_unref (prev_frame->composited);
+                 prev_frame->composited = NULL;
+        }
+}
+
 static gboolean
 gdk_pixbuf_gif_anim_iter_advance (GdkPixbufAnimationIter *anim_iter,
                                   const GTimeVal         *current_time)
@@ -272,6 +300,9 @@ gdk_pixbuf_gif_anim_iter_advance (GdkPixbufAnimationIter *anim_iter,
                         break;
 
                 tmp = tmp->next;
+                if (tmp) {
+                        gdk_pixbuf_gif_anim_iter_clean_previous(tmp);
+                }
         }
 
         old = iter->current_frame;
@@ -413,13 +444,15 @@ gdk_pixbuf_gif_anim_frame_composite (GdkPixbufGifAnim *gif_anim,
                                  */
 
                                 if (prev_frame->action == GDK_PIXBUF_FRAME_RETAIN) {
-                                        f->composited = gdk_pixbuf_copy (prev_frame->composited);
+                                        f->composited = prev_frame->composited;
+                                        prev_frame->composited = NULL;
 
                                         if (f->composited == NULL)
                                                 return;
 
                                 } else if (prev_frame->action == GDK_PIXBUF_FRAME_DISPOSE) {
-                                        f->composited = gdk_pixbuf_copy (prev_frame->composited);
+                                        f->composited = prev_frame->composited;
+                                        prev_frame->composited = NULL;
 
                                         if (f->composited == NULL)
                                                 return;
@@ -445,7 +478,8 @@ gdk_pixbuf_gif_anim_frame_composite (GdkPixbufGifAnim *gif_anim,
                                                 g_object_unref (area);
                                         }
                                 } else if (prev_frame->action == GDK_PIXBUF_FRAME_REVERT) {
-                                        f->composited = gdk_pixbuf_copy (prev_frame->composited);
+                                        f->composited = prev_frame->composited;
+                                        prev_frame->composited = NULL;
 
                                         if (f->composited == NULL)
                                                 return;
@@ -512,6 +546,9 @@ gdk_pixbuf_gif_anim_frame_composite (GdkPixbufGifAnim *gif_anim,
                                 break;
 
                         tmp = tmp->next;
+                        if (tmp) {
+                                 gdk_pixbuf_gif_anim_iter_clean_previous(tmp);
+                        }
                 }
         }
 }