diff --git a/beacon_node/beacon_chain/test_harness/Cargo.toml b/beacon_node/beacon_chain/test_harness/Cargo.toml
index 448934eb3..50d154732 100644
--- a/beacon_node/beacon_chain/test_harness/Cargo.toml
+++ b/beacon_node/beacon_chain/test_harness/Cargo.toml
@@ -12,12 +12,7 @@ path = "src/bin.rs"
 name = "test_harness"
 path = "src/lib.rs"
 
-[[bench]]
-name = "state_transition"
-harness = false
-
 [dev-dependencies]
-criterion = "0.2"
 state_processing = { path = "../../../eth2/state_processing" }
 
 [dependencies]
diff --git a/beacon_node/beacon_chain/test_harness/benches/state_transition.rs b/beacon_node/beacon_chain/test_harness/benches/state_transition.rs
deleted file mode 100644
index 7d1c44653..000000000
--- a/beacon_node/beacon_chain/test_harness/benches/state_transition.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-use criterion::Criterion;
-use criterion::{black_box, criterion_group, criterion_main, Benchmark};
-// use env_logger::{Builder, Env};
-use state_processing::SlotProcessable;
-use test_harness::BeaconChainHarness;
-use types::{ChainSpec, Hash256};
-
-fn mid_epoch_state_transition(c: &mut Criterion) {
-    // Builder::from_env(Env::default().default_filter_or("debug")).init();
-
-    let validator_count = 1000;
-    let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
-
-    let epoch_depth = (rig.spec.slots_per_epoch * 2) + (rig.spec.slots_per_epoch / 2);
-
-    for _ in 0..epoch_depth {
-        rig.advance_chain_with_block();
-    }
-
-    let state = rig.beacon_chain.state.read().clone();
-
-    assert!((state.slot + 1) % rig.spec.slots_per_epoch != 0);
-
-    c.bench_function("mid-epoch state transition 10k validators", move |b| {
-        let state = state.clone();
-        b.iter(|| {
-            let mut state = state.clone();
-            black_box(state.per_slot_processing(Hash256::zero(), &rig.spec))
-        })
-    });
-}
-
-fn epoch_boundary_state_transition(c: &mut Criterion) {
-    // Builder::from_env(Env::default().default_filter_or("debug")).init();
-
-    let validator_count = 10000;
-    let mut rig = BeaconChainHarness::new(ChainSpec::foundation(), validator_count);
-
-    let epoch_depth = rig.spec.slots_per_epoch * 2;
-
-    for _ in 0..(epoch_depth - 1) {
-        rig.advance_chain_with_block();
-    }
-
-    let state = rig.beacon_chain.state.read().clone();
-
-    assert_eq!((state.slot + 1) % rig.spec.slots_per_epoch, 0);
-
-    c.bench(
-        "routines",
-        Benchmark::new("routine_1", move |b| {
-            let state = state.clone();
-            b.iter(|| {
-                let mut state = state.clone();
-                black_box(black_box(
-                    state.per_slot_processing(Hash256::zero(), &rig.spec),
-                ))
-            })
-        })
-        .sample_size(5), // sample size is low because function is sloooow.
-    );
-}
-
-criterion_group!(
-    benches,
-    mid_epoch_state_transition,
-    epoch_boundary_state_transition
-);
-criterion_main!(benches);