diff --git a/pybtc/connector.py b/pybtc/connector.py
index d2ed87b..99efd21 100644
--- a/pybtc/connector.py
+++ b/pybtc/connector.py
@@ -870,15 +870,15 @@ class UTXO():
         self._requests += 1
         try:
             i = self.cached.peek(key)
-            # try:
-            #     self.destroyed[block_height].add(key)
-            # except:
-            #     self.destroyed[block_height] = {key}
+            try:
+                self.destroyed[block_height].add(key)
+            except:
+                self.destroyed[block_height] = {key}
             self._hit += 1
             return i
         except:
             self._failed_requests += 1
-            # self.missed.add(key)
+            self.missed.add(key)
             return None
 
     def get_loaded(self, key, block_height):