diff --git a/sharding/proposer/service.go b/sharding/proposer/service.go
index 91719cd7c..a1dccd2ed 100644
--- a/sharding/proposer/service.go
+++ b/sharding/proposer/service.go
@@ -30,6 +30,5 @@ func (p *Proposer) Start() error {
 // Stop the main loop for proposing collations.
 func (p *Proposer) Stop() error {
 	log.Info("Stopping proposer service")
-	// TODO: Propose collations.
 	return nil
 }