diff --git a/src/exit/contracts.py b/src/exit/contracts.py
index bba281a..af9ebd6 100644
--- a/src/exit/contracts.py
+++ b/src/exit/contracts.py
@@ -66,9 +66,7 @@ class VaultContract(ContractWrapper):
 
 
 class KeeperContract(ContractWrapper):
-    abi_path = 'abi/IKeeper.json'
-
-    def can_harvest(self, vault: ChecksumAddress, block_number: BlockNumber | None = None) -> bool:
+    def can_harvest(self, vault: ChecksumAddress, block_number: BlockNumber) -> bool:
         return self.contract.functions.canHarvest(vault).call(block_identifier=block_number)
 
 
diff --git a/src/exit/execution.py b/src/exit/execution.py
index daa16e1..de606fa 100644
--- a/src/exit/execution.py
+++ b/src/exit/execution.py
@@ -43,7 +43,6 @@ def can_force_enter_exit_queue(
         fn_name='canForceEnterExitQueue', args=[vault, user]
     )
     calls.append((leverage_strategy_contract.address, can_force_enter_exit_queue_call))
-    # fetch data
     _, response = multicall_contract.aggregate(calls, block_number)
     if update_state_call:
         response.pop(0)