diff --git a/beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs b/beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs
index 09621268c..acba2e015 100644
--- a/beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs
+++ b/beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs
@@ -6,7 +6,7 @@ use db::{
     stores::{BeaconBlockStore, BeaconStateStore},
     MemoryDB,
 };
-use fork_choice::{optimised_lmd_ghost::OptimisedLMDGhost, slow_lmd_ghost::SlowLMDGhost}; // import all the algorithms
+use fork_choice::OptimisedLMDGhost;
 use log::debug;
 use rayon::prelude::*;
 use slot_clock::TestingSlotClock;
diff --git a/beacon_node/beacon_chain/test_harness/src/validator_harness/mod.rs b/beacon_node/beacon_chain/test_harness/src/validator_harness/mod.rs
index e22ea1a2e..3df32fa64 100644
--- a/beacon_node/beacon_chain/test_harness/src/validator_harness/mod.rs
+++ b/beacon_node/beacon_chain/test_harness/src/validator_harness/mod.rs
@@ -10,7 +10,7 @@ use block_producer::{BlockProducer, Error as BlockPollError};
 use db::MemoryDB;
 use direct_beacon_node::DirectBeaconNode;
 use direct_duties::DirectDuties;
-use fork_choice::{optimised_lmd_ghost::OptimisedLMDGhost, slow_lmd_ghost::SlowLMDGhost};
+use fork_choice::OptimisedLMDGhost;
 use local_signer::LocalSigner;
 use slot_clock::TestingSlotClock;
 use std::sync::Arc;