diff --git a/pybtc/connector/utxo.py b/pybtc/connector/utxo.py
index 29294ff..65a0b12 100644
--- a/pybtc/connector/utxo.py
+++ b/pybtc/connector/utxo.py
@@ -43,7 +43,6 @@ class UTXO():
         del self.cached[outpoint]
 
     def destroy_utxo(self, block_height):
-        return
         block_height -= self.maturity
         for key in range(self.destroyed_utxo_block + 1, block_height + 1):
             if key not in self.destroyed: continue
@@ -134,12 +133,12 @@ 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)
-            # except:
-            #     self.destroyed[block_height] = {key}
+            # del self.cached[key]
+            # self.destroyed_utxo += 1
+            try:
+                self.destroyed[block_height].add(key)
+            except:
+                self.destroyed[block_height] = {key}
             self._hit += 1
             return i
         except: