diff --git a/gfx/Ultica_iso/pngs_iso_flat_48x36/terrain/t_sidewalk/t_floor.json b/gfx/Ultica_iso/pngs_iso_flat_48x36/terrain/t_sidewalk/t_floor.json
deleted file mode 100644
index 60a9eeca9a..0000000000
--- a/gfx/Ultica_iso/pngs_iso_flat_48x36/terrain/t_sidewalk/t_floor.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "id": "t_sidewalk",
-    "fg": "t_sidewalk",
-    "height_3d": 3
-}