diff --git a/riscos/gif.c b/riscos/gif.c
index 980462523..e0043fdfc 100644
--- a/riscos/gif.c
+++ b/riscos/gif.c
@@ -54,7 +54,8 @@
 
 #ifdef WITH_GIF
 
-
+static bool nsgif_decompress_frame(struct content *c, anim *p_gif_animation,
+		unsigned int cur_frame);
 static void CompressSpriteLine( pixel *dest, const pixel *src, int n, int bpp );
 static void CompressMaskLine( pixel *dest, const pixel *src, int n, int bpp );
 
diff --git a/riscos/gif.h b/riscos/gif.h
index a1823241e..4bdadfce6 100644
--- a/riscos/gif.h
+++ b/riscos/gif.h
@@ -65,6 +65,5 @@ void nsgif_redraw(struct content *c, long x, long y,
 		long clip_x0, long clip_y0, long clip_x1, long clip_y1,
 		float scale);
 osspriteop_header *nsgif_get_sprite_address(struct content *c, unsigned int frame);
-bool nsgif_decompress_frame(struct content *c, anim *p_gif_animation, unsigned int cur_frame);
 
 #endif