diff --git a/pkg/driver/controllerserver.go b/pkg/driver/controllerserver.go
index e8ad847..fcf5dd3 100644
--- a/pkg/driver/controllerserver.go
+++ b/pkg/driver/controllerserver.go
@@ -88,11 +88,11 @@ func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
 }
 
 func (cs *ControllerServer) ControllerPublishVolume(ctx context.Context, req *csi.ControllerPublishVolumeRequest) (*csi.ControllerPublishVolumeResponse, error) {
-	return nil, status.Error(codes.Unimplemented, "")
+	return &csi.ControllerPublishVolumeResponse{}, nil
 }
 
 func (cs *ControllerServer) ControllerUnpublishVolume(ctx context.Context, req *csi.ControllerUnpublishVolumeRequest) (*csi.ControllerUnpublishVolumeResponse, error) {
-	return nil, status.Error(codes.Unimplemented, "")
+	return &csi.ControllerUnpublishVolumeResponse{}, nil
 }
 
 func (cs *ControllerServer) ValidateVolumeCapabilities(ctx context.Context, req *csi.ValidateVolumeCapabilitiesRequest) (*csi.ValidateVolumeCapabilitiesResponse, error) {