diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 07dc5be6f..a45e0565b 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -1867,9 +1867,9 @@ Run the following function:
 
 ```python
 def process_crosslinks(state: BeaconState) -> None:
-    previous_epoch = get_previous_epoch(state)
+    start_epoch = get_previous_epoch(state)
     next_epoch = get_current_epoch(state) + 1
-    for slot in range(get_epoch_start_slot(previous_epoch), get_epoch_start_slot(next_epoch)):
+    for slot in range(get_epoch_start_slot(start_epoch), get_epoch_start_slot(next_epoch)):
         for crosslink_committee, shard in get_crosslink_committees_at_slot(state, slot):
             winning_root, participants = get_winning_root_and_participants(state, shard)
             participating_balance = get_total_balance(state, participants)
@@ -2337,7 +2337,6 @@ def process_attestation(state: BeaconState, attestation: Attestation) -> None:
 
     # Check target epoch, source epoch, and source root
     target_epoch = slot_to_epoch(attestation.data.slot)
-
     assert (target_epoch, attestation.data.source_epoch, attestation.data.source_root) in {
         (get_current_epoch(state), state.current_justified_epoch, state.current_justified_root),
         (get_previous_epoch(state), state.previous_justified_epoch, state.previous_justified_root),
diff --git a/tests/phase0/conftest.py b/tests/phase0/conftest.py
index 36a087941..c0461cb67 100644
--- a/tests/phase0/conftest.py
+++ b/tests/phase0/conftest.py
@@ -14,7 +14,6 @@ MINIMAL_CONFIG = {
     "MIN_ATTESTATION_INCLUSION_DELAY": 2,
     "TARGET_COMMITTEE_SIZE": 4,
     "SLOTS_PER_EPOCH": 8,
-    "GENESIS_EPOCH": spec.GENESIS_SLOT // 8,
     "SLOTS_PER_HISTORICAL_ROOT": 64,
     "LATEST_RANDAO_MIXES_LENGTH": 64,
     "LATEST_ACTIVE_INDEX_ROOTS_LENGTH": 64,