diff --git a/clientapi/routing/register.go b/clientapi/routing/register.go
index 0df623c74..2578180db 100644
--- a/clientapi/routing/register.go
+++ b/clientapi/routing/register.go
@@ -83,17 +83,6 @@ func (d sessionsDict) GetCompletedStages(sessionID string) []authtypes.LoginType
 	return make([]authtypes.LoginType, 0)
 }
 
-// AddCompletedStage records that a session has completed an auth stage.
-func (d *sessionsDict) AddCompletedStage(sessionID string, stage authtypes.LoginType) {
-	// Return if the stage is already present
-	for _, completedStage := range d.GetCompletedStages(sessionID) {
-		if completedStage == stage {
-			return
-		}
-	}
-	d.sessions[sessionID] = append(d.GetCompletedStages(sessionID), stage)
-}
-
 func newSessionsDict() *sessionsDict {
 	return &sessionsDict{
 		sessions: make(map[string][]authtypes.LoginType),