diff --git a/pybtc/connector.py b/pybtc/connector.py
index a026d6d..c85c956 100644
--- a/pybtc/connector.py
+++ b/pybtc/connector.py
@@ -52,7 +52,6 @@ class Connector:
         self.chain_tail = list(chain_tail) if chain_tail else []
         self.rpc_timeout = rpc_timeout
         self.batch_limit = rpc_batch_limit
-        self.utxo_test = dict()
 
         # state and stats
         self.node_last_block = None
@@ -630,8 +629,7 @@ class Connector:
             else:
                 address = b"".join((bytes([out["nType"]]), out["addressHash"]))
             outpoint = b"".join((tx["txId"], int_to_bytes(i)))
-            self.utxo_test[outpoint] = (pointer, out["value"], address)
-            # self.utxo.set(outpoint, pointer, out["value"], address)
+            self.utxo.set(outpoint, pointer, out["value"], address)
 
     async def get_stxo(self, tx, block_height, block_index):
         stxo, missed = set(), set()