1 files changed, 0 insertions, 9 deletions
diff --git a/util/common/stringUtil.go b/util/common/stringUtil.go
deleted file mode 100644
index 5f1f93fd..00000000
--- a/util/common/stringUtil.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package common
-
-import "sort"
-
-func IsSubString(target string, str_array []string) bool {
-	sort.Strings(str_array)
-	index := sort.SearchStrings(str_array, target)
-	return index < len(str_array) && str_array[index] == target
-}