diff --git a/internal/csi-common/controllerserver-default.go b/internal/csi-common/controllerserver-default.go
index a6b016557044..a5b21f206af0 100644
--- a/internal/csi-common/controllerserver-default.go
+++ b/internal/csi-common/controllerserver-default.go
@@ -29,6 +29,7 @@ import (
 // DefaultControllerServer points to default driver.
 type DefaultControllerServer struct {
 	Driver *CSIDriver
+	csi.UnimplementedControllerServer
 }
 
 // ControllerPublishVolume publish volume on node.
diff --git a/internal/csi-common/identityserver-default.go b/internal/csi-common/identityserver-default.go
index fa891e066902..90f665908775 100644
--- a/internal/csi-common/identityserver-default.go
+++ b/internal/csi-common/identityserver-default.go
@@ -29,6 +29,7 @@ import (
 // DefaultIdentityServer stores driver object.
 type DefaultIdentityServer struct {
 	Driver *CSIDriver
+	csi.UnimplementedControllerServer
 }
 
 // GetPluginInfo returns plugin information.