diff --git a/support/slice/helpers.go b/support/slice/helpers.go
index 183016a..c85c74b 100644
--- a/support/slice/helpers.go
+++ b/support/slice/helpers.go
@@ -6,13 +6,12 @@ import (
 
 // Contains Check item in slice string type
 func Contains(slice []string, item string) bool {
-	set := make(map[string]struct{}, len(slice))
 	for _, s := range slice {
-		set[s] = struct{}{}
+		if s == item {
+			return true
+		}
 	}
-
-	_, ok := set[item]
-	return ok
+	return false
 }
 
 // ContainsRune Check item in map rune type