diff --git a/src/video/video.c b/src/video/video.c
index e6cc5be83..cd9024aa1 100644
--- a/src/video/video.c
+++ b/src/video/video.c
@@ -199,11 +199,6 @@ palette *video_get_base_palette() {
     return g_video_state.base_palette;
 }
 
-void video_copy_pal_range(const palette *src, int src_start, int dst_start, int amount) {
-    memcpy(g_video_state.screen_palette->data + dst_start * 3, src->data + src_start * 3, amount * 3);
-    g_video_state.screen_palette->version++;
-}
-
 screen_palette *video_get_pal_ref() {
     return g_video_state.screen_palette;
 }
diff --git a/src/video/video.h b/src/video/video.h
index 565f3097b..b01511494 100644
--- a/src/video/video.h
+++ b/src/video/video.h
@@ -44,7 +44,6 @@ void video_render_bg_separately(bool separate);
 void video_set_base_palette(const palette *src);
 palette *video_get_base_palette();
 void video_force_pal_refresh();
-void video_copy_pal_range(const palette *src, int src_start, int dst_start, int amount);
 screen_palette *video_get_pal_ref();
 
 #endif // VIDEO_H