diff --git a/shared-bindings/displayio/TileGrid.c b/shared-bindings/displayio/TileGrid.c
index 32a8796a5a..de98dd4076 100644
--- a/shared-bindings/displayio/TileGrid.c
+++ b/shared-bindings/displayio/TileGrid.c
@@ -145,46 +145,6 @@ static displayio_tilegrid_t *native_tilegrid(mp_obj_t tilegrid_obj) {
     return MP_OBJ_TO_PTR(native_tilegrid);
 }
 
-/*
-static void enforce_bitmap_size(mp_obj_t self_in, mp_obj_t bitmap) {
-    displayio_tilegrid_t *self = native_tilegrid(self_in);
-    uint16_t bitmap_width;
-    uint16_t bitmap_height;
-    mp_obj_t native = mp_obj_cast_to_native_base(bitmap, &displayio_shape_type);
-    if (native != MP_OBJ_NULL) {
-        displayio_shape_t *bmp = MP_OBJ_TO_PTR(native);
-        bitmap_width = bmp->width;
-        bitmap_height = bmp->height;
-    } else if (mp_obj_is_type(bitmap, &displayio_bitmap_type)) {
-        displayio_bitmap_t *bmp = MP_OBJ_TO_PTR(bitmap);
-        native = bitmap;
-        bitmap_width = bmp->width;
-        bitmap_height = bmp->height;
-    } else if (mp_obj_is_type(bitmap, &displayio_ondiskbitmap_type)) {
-        displayio_ondiskbitmap_t *bmp = MP_OBJ_TO_PTR(bitmap);
-        native = bitmap;
-        bitmap_width = bmp->width;
-        bitmap_height = bmp->height;
-    } else {
-        mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_bitmap);
-    }
-    uint16_t tile_width = self->tile_width;
-    if (tile_width == 0) {
-        tile_width = bitmap_width;
-    }
-    uint16_t tile_height = self->tile_height;
-    if (tile_height == 0) {
-        tile_height = bitmap_height;
-    }
-    if (bitmap_width % tile_width != 0) {
-        mp_raise_ValueError(translate("Tile width must exactly divide bitmap width"));
-    }
-    if (bitmap_height % tile_height != 0) {
-        mp_raise_ValueError(translate("Tile height must exactly divide bitmap height"));
-    }
-}
-*/
-
 //|     hidden: bool
 //|     """True when the TileGrid is hidden. This may be False even when a part of a hidden Group."""
 //|