diff --git a/eth2/types/src/beacon_state.rs b/eth2/types/src/beacon_state.rs
index bed54b1a89..f5d3e0ab74 100644
--- a/eth2/types/src/beacon_state.rs
+++ b/eth2/types/src/beacon_state.rs
@@ -176,7 +176,7 @@ impl<T: EthSpec> BeaconState<T> {
                 spec.zero_hash;
                 T::LatestRandaoMixesLength::to_usize()
             ]),
-            latest_start_shard: 0, // FIXME(sproul)
+            latest_start_shard: 0,
 
             // Finality
             previous_epoch_attestations: vec![],