diff --git a/beacon_chain/types/src/beacon_state.rs b/beacon_chain/types/src/beacon_state.rs
index 03f2c93aa..efd04b551 100644
--- a/beacon_chain/types/src/beacon_state.rs
+++ b/beacon_chain/types/src/beacon_state.rs
@@ -7,7 +7,7 @@ use super::shard_reassignment_record::ShardReassignmentRecord;
 use super::validator_record::ValidatorRecord;
 use super::Hash256;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub struct BeaconState {
     // Misc
     pub slot: u64,
diff --git a/beacon_chain/types/src/candidate_pow_receipt_root_record.rs b/beacon_chain/types/src/candidate_pow_receipt_root_record.rs
index 9a1e3e5c8..a06e5e794 100644
--- a/beacon_chain/types/src/candidate_pow_receipt_root_record.rs
+++ b/beacon_chain/types/src/candidate_pow_receipt_root_record.rs
@@ -1,6 +1,6 @@
 use super::Hash256;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub struct CandidatePoWReceiptRootRecord {
     pub candidate_pow_receipt_root: Hash256,
     pub votes: u64,
diff --git a/beacon_chain/types/src/shard_reassignment_record.rs b/beacon_chain/types/src/shard_reassignment_record.rs
index 2f2c8a8d9..c9a17741c 100644
--- a/beacon_chain/types/src/shard_reassignment_record.rs
+++ b/beacon_chain/types/src/shard_reassignment_record.rs
@@ -1,4 +1,4 @@
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub struct ShardReassignmentRecord {
     pub validator_index: u64,
     pub shard: u64,