diff --git a/src/main/java/com/eactive/eai/adapter/service/ApiAdapterService.java b/src/main/java/com/eactive/eai/adapter/service/ApiAdapterService.java
index 6a72af8..9ff80e3 100644
--- a/src/main/java/com/eactive/eai/adapter/service/ApiAdapterService.java
+++ b/src/main/java/com/eactive/eai/adapter/service/ApiAdapterService.java
@@ -36,18 +36,6 @@ import javax.servlet.http.HttpServletResponse;
 import java.net.URLDecoder;
 import java.util.*;
 
-//for encrypt/decrypt jwhong
-import com.eactive.eai.authserver.service.OAuth2Manager;
-import com.kjbank.encrypt.exchange.crypto.AES256Cipher;
-import com.kjbank.encrypt.exchange.crypto.AESCipher;
-import java.nio.charset.StandardCharsets;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.ObjectOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import org.springframework.security.oauth2.provider.ClientDetails;
-
 @Service
 public class ApiAdapterService extends HttpAdapterServiceSupport {
     static Logger logger = Logger.getLogger(Logger.LOGGER_ADAPTER);