diff --git a/pkg/util/tools.go b/pkg/util/tools.go
index 1a4ab524..ff1dd1f0 100644
--- a/pkg/util/tools.go
+++ b/pkg/util/tools.go
@@ -6,11 +6,8 @@ package util
 
 import (
 	"encoding/hex"
-	"os"
-	"os/exec"
 	"regexp"
 	"sort"
-	"strings"
 )
 
 var isHexa = regexp.MustCompile("^[0-9A-Fa-f]+$")
@@ -38,3 +35,10 @@ func RemoveDuplicate[T comparable](inlist []T) []T {
 	}
 	return list
 }
+
+func InSlice(item string, slice []string) bool {
+	sort.Strings(slice)
+	i := sort.SearchStrings(slice, item)
+	return i < len(slice) && slice[i] == item
+}
+