diff --git a/pkg/volume/csi/csi_attacher.go b/pkg/volume/csi/csi_attacher.go
index de23ede85cd..57551a38154 100644
--- a/pkg/volume/csi/csi_attacher.go
+++ b/pkg/volume/csi/csi_attacher.go
@@ -54,6 +54,8 @@ type csiAttacher struct {
 // volume.Attacher methods
 var _ volume.Attacher = &csiAttacher{}
 
+var _ volume.Detacher = &csiAttacher{}
+
 var _ volume.DeviceMounter = &csiAttacher{}
 
 func (c *csiAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {