diff --git a/pybtc/connector.py b/pybtc/connector.py
index d6c28d1..0696100 100644
--- a/pybtc/connector.py
+++ b/pybtc/connector.py
@@ -873,6 +873,7 @@ class UTXO():
         self._requests += 1
         try:
             i = self.cached.get(key)
+            del self.cached[key]
             self.destroyed_utxo += 1
             # try:
             #     self.destroyed[block_height].add(key)