diff --git a/tests/phase0/helpers.py b/tests/phase0/helpers.py
index e60c7c64c..34f2f8d7f 100644
--- a/tests/phase0/helpers.py
+++ b/tests/phase0/helpers.py
@@ -95,14 +95,6 @@ def create_genesis_state(num_validators, deposit_data_leaves=None):
     )
 
 
-def force_registry_change_at_next_epoch(state):
-    # artificially trigger registry update at next epoch transition
-    state.finalized_epoch = get_current_epoch(state) - 1
-    for crosslink in state.latest_crosslinks:
-        crosslink.epoch = state.finalized_epoch
-    state.validator_registry_update_epoch = state.finalized_epoch - 1
-
-
 def build_empty_block_for_next_slot(state):
     empty_block = get_empty_block()
     empty_block.slot = state.slot + 1
diff --git a/tests/phase0/test_sanity.py b/tests/phase0/test_sanity.py
index 612227cfa..7ed31b7bd 100644
--- a/tests/phase0/test_sanity.py
+++ b/tests/phase0/test_sanity.py
@@ -39,7 +39,6 @@ from build.phase0.utils.merkle_minimal import (
 from tests.phase0.helpers import (
     build_deposit_data,
     build_empty_block_for_next_slot,
-    force_registry_change_at_next_epoch,
     get_valid_attestation,
     get_valid_attester_slashing,
     get_valid_proposer_slashing,
@@ -285,8 +284,6 @@ def test_voluntary_exit(state):
 
     # move state forward PERSISTENT_COMMITTEE_PERIOD epochs to allow for exit
     pre_state.slot += spec.PERSISTENT_COMMITTEE_PERIOD * spec.SLOTS_PER_EPOCH
-    # artificially trigger registry update at next epoch transition
-    force_registry_change_at_next_epoch(pre_state)
 
     post_state = deepcopy(pre_state)
 
@@ -338,12 +335,6 @@ def test_no_exit_churn_too_long_since_change(state):
     #
     # move state forward PERSISTENT_COMMITTEE_PERIOD epochs to allow for exit
     pre_state.slot += spec.PERSISTENT_COMMITTEE_PERIOD * spec.SLOTS_PER_EPOCH
-    # artificially trigger registry update at next epoch transition
-    force_registry_change_at_next_epoch(pre_state)
-    # make epochs since registry update greater than LATEST_SLASHED_EXIT_LENGTH
-    pre_state.validator_registry_update_epoch = (
-        get_current_epoch(pre_state) - spec.LATEST_SLASHED_EXIT_LENGTH
-    )
 
     post_state = deepcopy(pre_state)