diff --git a/zfs-inplace-rebalancing.sh b/zfs-inplace-rebalancing.sh
index 048cc52..0ec4cc1 100755
--- a/zfs-inplace-rebalancing.sh
+++ b/zfs-inplace-rebalancing.sh
@@ -5,8 +5,6 @@ set -e
 # exit on undeclared variable
 set -u
 
-shopt -s nocasematch
-
 function rebalance () {
     file_path=$1