diff --git a/rw_core/mocks/device_manager.go b/rw_core/mocks/device_manager.go
index 6edfdc9..45e5af5 100644
--- a/rw_core/mocks/device_manager.go
+++ b/rw_core/mocks/device_manager.go
@@ -76,6 +76,11 @@
 	return nil
 }
 
+// DeleteAllUNILogicalPorts -
+func (dm *DeviceManager) DeleteAllUNILogicalPorts(ctx context.Context, cDevice *voltha.Device) error {
+	return nil
+}
+
 // RunPostDeviceDelete -
 func (dm *DeviceManager) RunPostDeviceDelete(ctx context.Context, cDevice *voltha.Device) error {
 	return nil