diff --git a/application/src/main/java/org/thingsboard/server/service/entitiy/device/DefaultTbDeviceService.java b/application/src/main/java/org/thingsboard/server/service/entitiy/device/DefaultTbDeviceService.java
index a3d04f6344..ac2d656ba6 100644
--- a/application/src/main/java/org/thingsboard/server/service/entitiy/device/DefaultTbDeviceService.java
+++ b/application/src/main/java/org/thingsboard/server/service/entitiy/device/DefaultTbDeviceService.java
@@ -232,8 +232,6 @@ public class DefaultTbDeviceService extends AbstractTbEntityService implements T
             Tenant tenant = tenantService.findTenantById(tenantId);
             Device assignedDevice = deviceService.assignDeviceToTenant(newTenantId, device);
 
-
-
             notificationEntityService.notifyAssignDeviceToTenant(tenantId, newTenantId, deviceId,
                     assignedDevice.getCustomerId(), assignedDevice, tenant, user, newTenantId.toString(), newTenant.getName());
 
diff --git a/application/src/test/java/org/thingsboard/server/controller/DeviceControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/DeviceControllerTest.java
index b6afaa34e1..cefe24e935 100644
--- a/application/src/test/java/org/thingsboard/server/controller/DeviceControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/DeviceControllerTest.java
@@ -72,7 +72,6 @@ import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.DeviceCredentialsValidationException;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.service.DaoSqlTest;
-import org.thingsboard.server.gen.transport.TransportProtos;
 import org.thingsboard.server.service.gateway_device.GatewayNotificationsService;
 import org.thingsboard.server.service.state.DeviceStateService;
 
@@ -85,7 +84,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.hamcrest.Matchers.containsString;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.argThat;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;