diff --git a/src/types.ts b/src/types.ts
index 6833d2b..45284e7 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -147,7 +147,7 @@ export interface DnsResponse {
 /**
  * DNS Header Flags
  */
-export interface DnsFlags {
+interface DnsFlags {
   response: boolean // Response flag
   opcode: number // Operation code
   authoritative: boolean // Authoritative answer