diff --git a/beacon_node/rest_api/src/lib.rs b/beacon_node/rest_api/src/lib.rs
index 8970453a5b..58493d0322 100644
--- a/beacon_node/rest_api/src/lib.rs
+++ b/beacon_node/rest_api/src/lib.rs
@@ -7,7 +7,7 @@ extern crate network as client_network;
 mod beacon;
 pub mod config;
 mod error;
-pub mod helpers;
+mod helpers;
 mod metrics;
 mod network;
 mod node;
diff --git a/lighthouse/src/main.rs b/lighthouse/src/main.rs
index 6a47f854b6..728948ad78 100644
--- a/lighthouse/src/main.rs
+++ b/lighthouse/src/main.rs
@@ -162,7 +162,7 @@ fn run<E: EthSpec>(
     {
         let runtime_context = environment.core_context();
 
-        let validator = environment
+        let mut validator = environment
             .runtime()
             .block_on(ProductionValidatorClient::new_from_cli(
                 runtime_context,
diff --git a/tests/eth1_test_rig/Cargo.toml b/tests/eth1_test_rig/Cargo.toml
index 725a8402d5..2f4914e403 100644
--- a/tests/eth1_test_rig/Cargo.toml
+++ b/tests/eth1_test_rig/Cargo.toml
@@ -9,6 +9,5 @@ web3 = "0.8.0"
 tokio = "0.1.17"
 futures = "0.1.25"
 types = { path = "../../eth2/types"}
-eth2_ssz = { path = "../../eth2/utils/ssz"}
 serde_json = "1.0"
 deposit_contract = { path = "../../eth2/utils/deposit_contract"}
diff --git a/tests/eth1_test_rig/src/lib.rs b/tests/eth1_test_rig/src/lib.rs
index c424c0fe43..1c404e2d5f 100644
--- a/tests/eth1_test_rig/src/lib.rs
+++ b/tests/eth1_test_rig/src/lib.rs
@@ -10,7 +10,6 @@ mod ganache;
 use deposit_contract::{eth1_tx_data, ABI, BYTECODE, CONTRACT_DEPLOY_GAS, DEPOSIT_GAS};
 use futures::{stream, Future, IntoFuture, Stream};
 use ganache::GanacheInstance;
-use ssz::Encode;
 use std::time::{Duration, Instant};
 use tokio::{runtime::Runtime, timer::Delay};
 use types::DepositData;