diff --git a/src/main/java/itn/let/cert/ip/service/CertIpService.java b/src/main/java/itn/let/cert/ip/service/CertIpService.java
index d5317c2f..b4b58285 100644
--- a/src/main/java/itn/let/cert/ip/service/CertIpService.java
+++ b/src/main/java/itn/let/cert/ip/service/CertIpService.java
@@ -1,15 +1,6 @@
 package itn.let.cert.ip.service;
 
-import java.util.List;
-
-import itn.let.lett.service.LetterVO;
 import itn.let.mail.service.StatusResponse;
-import itn.let.mjo.addr.service.AddrVO;
-import itn.let.mjo.msg.service.MjonMsgVO;
-import itn.let.sym.site.service.JoinSettingVO;
-import itn.let.uat.uia.service.MberCertPhoneVO;
-import itn.let.uat.uia.web.SendLogVO;
-import itn.let.uss.umt.service.MberManageVO;
 
 public interface CertIpService {