diff --git a/nucypher/blockchain/eth/actors.py b/nucypher/blockchain/eth/actors.py
index 761a4352b..17d389389 100644
--- a/nucypher/blockchain/eth/actors.py
+++ b/nucypher/blockchain/eth/actors.py
@@ -80,7 +80,6 @@ class Miner(NucypherTokenActor):
     def __init__(self,
                  is_me=True,
                  miner_agent: MinerAgent = None,
-                 stake_index: int = None,
                  *args, **kwargs):
 
         miner_agent = miner_agent if miner_agent is not None else MinerAgent()
diff --git a/nucypher/characters.py b/nucypher/characters.py
index 75c13ff8c..a0f0de73b 100644
--- a/nucypher/characters.py
+++ b/nucypher/characters.py
@@ -1034,7 +1034,6 @@ class Ursula(Character, VerifiableNode, ProxyRESTServer, Miner):
 
                  # Blockchain
                  miner_agent=None,
-                 stake_index=None,
                  checksum_address=None,
 
                  # Character
@@ -1092,7 +1091,6 @@ class Ursula(Character, VerifiableNode, ProxyRESTServer, Miner):
 
     def __bytes__(self):
 
-        import ipdb; ipdb.set_trace()
         interface_info = VariableLengthBytestring(self.rest_interface)
 
         if self.dht_interface: