diff --git a/tests/zfs-tests/include/libtest.shlib b/tests/zfs-tests/include/libtest.shlib
index b3893c2c38..1b841d7ba0 100644
--- a/tests/zfs-tests/include/libtest.shlib
+++ b/tests/zfs-tests/include/libtest.shlib
@@ -939,7 +939,6 @@ function set_partition
 		rm -f $format_file
 	fi
 
-	rm -f $format_file
 	if [[ $ret_val -ne 0 ]]; then
 		log_note "Unable to format $disk slice $slicenum to $size"
 		return 1