diff --git a/blacklist.go b/blacklist.go
index fbc4303..00ace93 100644
--- a/blacklist.go
+++ b/blacklist.go
@@ -39,21 +39,6 @@ func loadBlacklist(config []configBlacklist) map[string]bool {
 	return domainMap
 }
 
-func removeDuplicates(elements []string) []string {
-	encountered := map[string]bool{}
-	result := []string{}
-
-	for v := range elements {
-		if !encountered[elements[v]] {
-			encountered[elements[v]] = true
-
-			result = append(result, elements[v])
-		}
-	}
-
-	return result
-}
-
 func requestBacklist(blacklist configBlacklist) (*string, error) {
 	if blacklist.URL != "" {
 		return getBlacklistFromURL(blacklist.URL)