diff --git a/modules/samples/doormanager/component/manager/src/main/java/org.homeautomation/doormanager/manager/api/DoorManagerManagerService.java b/modules/samples/doormanager/component/manager/src/main/java/org.homeautomation/doormanager/manager/api/DoorManagerManagerService.java
index d7ccb5cd..c7461a7b 100644
--- a/modules/samples/doormanager/component/manager/src/main/java/org.homeautomation/doormanager/manager/api/DoorManagerManagerService.java
+++ b/modules/samples/doormanager/component/manager/src/main/java/org.homeautomation/doormanager/manager/api/DoorManagerManagerService.java
@@ -53,7 +53,6 @@ import org.wso2.carbon.device.mgt.iot.util.ZipUtil;
 import org.wso2.carbon.user.api.UserStoreException;
 import org.wso2.carbon.user.api.UserStoreManager;
 import org.wso2.carbon.user.core.service.RealmService;
-import com.google.code.gson.*;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;