diff -r 81ee93b87258 -r 739039774cee progs/while-arrays/compile_bfc.sc
--- a/progs/while-arrays/compile_bfc.sc	Mon Jan 24 00:00:33 2022 +0000
+++ b/progs/while-arrays/compile_bfc.sc	Mon Jan 24 00:14:02 2022 +0000
@@ -68,7 +68,6 @@
 // import ammonite.ops._
 
 // post 2.5.0 ammonite
-import $ivy.`com.lihaoyi::os-lib:0.8.0` 
 import os._