diff --git a/beacon_node/eth2-libp2p/src/config.rs b/beacon_node/eth2-libp2p/src/config.rs
index c5e02d5e3..ea87075b7 100644
--- a/beacon_node/eth2-libp2p/src/config.rs
+++ b/beacon_node/eth2-libp2p/src/config.rs
@@ -8,7 +8,6 @@ use std::time::Duration;
 /// The beacon node topic string to subscribe to.
 pub const BEACON_PUBSUB_TOPIC: &str = "beacon_block";
 pub const BEACON_ATTESTATION_TOPIC: &str = "beacon_attestation";
-//TODO: Implement shard subnets
 pub const SHARD_TOPIC_PREFIX: &str = "shard";
 
 #[derive(Clone, Debug, Serialize, Deserialize)]