diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2366,15 +2366,9 @@
 class ConnectTrace {
 private:
     std::vector<PerBlockConnectTrace> blocksConnected;
-    CTxMemPool &pool;
-    boost::signals2::scoped_connection m_connNotifyEntryRemoved;
 
 public:
-    explicit ConnectTrace(CTxMemPool &_pool) : blocksConnected(1), pool(_pool) {
-        m_connNotifyEntryRemoved = pool.NotifyEntryRemoved.connect(
-            std::bind(&ConnectTrace::NotifyEntryRemoved, this,
-                      std::placeholders::_1, std::placeholders::_2));
-    }
+    explicit ConnectTrace() : blocksConnected(1) {}
 
     void BlockConnected(CBlockIndex *pindex,
                         std::shared_ptr<const CBlock> pblock) {
@@ -2396,11 +2390,6 @@
         blocksConnected.pop_back();
         return blocksConnected;
     }
-
-    void NotifyEntryRemoved(CTransactionRef txRemoved,
-                            MemPoolRemovalReason reason) {
-        assert(!blocksConnected.back().pindex);
-    }
 };
 
 bool CChainState::MarkBlockAsFinal(BlockValidationState &state,
@@ -2995,7 +2984,7 @@
                 // issues, low disk space, etc).
 
                 // Destructed before cs_main is unlocked
-                ConnectTrace connectTrace(g_mempool);
+                ConnectTrace connectTrace;
 
                 if (pindexMostWork == nullptr) {
                     pindexMostWork = FindMostWorkChain();