diff --git a/pkg/op/client.go b/pkg/op/client.go
index bebe259..913944c 100644
--- a/pkg/op/client.go
+++ b/pkg/op/client.go
@@ -51,11 +51,6 @@ type Client interface {
 	ClockSkew() time.Duration
 }
 
-type ClientBackChannelLogout interface {
-	Client
-	BackChannelLogoutURI() string
-}
-
 // HasRedirectGlobs is an optional interface that can be implemented by implementors of
 // Client. See https://pkg.go.dev/path#Match for glob
 // interpretation. Redirect URIs that match either the non-glob version or the