diff --git a/flax/subs/dolly170 b/flax/subs/dolly170
deleted file mode 100644
--- a/flax/subs/dolly170
+++ /dev/null
@@ -1,5 +0,0 @@
-43 : 0.64
-ramp7 : 0.12
-ramp9-stairs : 0.12
-upstairs above : 0.72
-upstairs front : 0.64