diff --git a/beacon_node/beacon_chain/src/test_utils.rs b/beacon_node/beacon_chain/src/test_utils.rs
index bd51f8620..09f4749ea 100644
--- a/beacon_node/beacon_chain/src/test_utils.rs
+++ b/beacon_node/beacon_chain/src/test_utils.rs
@@ -55,7 +55,7 @@ where
 impl<L, E> BeaconChainTypes for CommonTypes<L, E>
 where
     L: LmdGhost<MemoryStore, E> + 'static,
-    E: EthSpec + 'static,
+    E: EthSpec,
 {
     type Store = MemoryStore;
     type SlotClock = TestingSlotClock;
@@ -70,7 +70,7 @@ where
 pub struct BeaconChainHarness<L, E>
 where
     L: LmdGhost<MemoryStore, E> + 'static,
-    E: EthSpec + 'static,
+    E: EthSpec,
 {
     pub chain: BeaconChain<CommonTypes<L, E>>,
     pub keypairs: Vec<Keypair>,
diff --git a/beacon_node/client/src/beacon_chain_types.rs b/beacon_node/client/src/beacon_chain_types.rs
index adea8c7b5..5168c067a 100644
--- a/beacon_node/client/src/beacon_chain_types.rs
+++ b/beacon_node/client/src/beacon_chain_types.rs
@@ -39,7 +39,7 @@ pub struct ClientType<S: Store, E: EthSpec> {
 impl<S, E> BeaconChainTypes for ClientType<S, E>
 where
     S: Store + 'static,
-    E: EthSpec + 'static + Clone,
+    E: EthSpec,
 {
     type Store = S;
     type SlotClock = SystemTimeSlotClock;