diff --git a/src/qt/test/wallettests.cpp b/src/qt/test/wallettests.cpp
index 3e1a0e0fa91..e883337fb53 100644
--- a/src/qt/test/wallettests.cpp
+++ b/src/qt/test/wallettests.cpp
@@ -69,7 +69,7 @@ uint256 SendCoins(CWallet& wallet, SendCoinsDialog& sendCoinsDialog, const CTxDe
         ->findChild<QCheckBox*>("optInRBF")
         ->setCheckState(rbf ? Qt::Checked : Qt::Unchecked);
     uint256 txid;
-    boost::signals2::scoped_connection c(wallet.NotifyTransactionChanged.connect([&txid](CWallet*, const uint256& hash, ChangeType status) {
+    boost::signals2::scoped_connection c(wallet.NotifyTransactionChanged.connect([&txid](const uint256& hash, ChangeType status) {
         if (status == CT_NEW) txid = hash;
     }));
     ConfirmSend();
diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
index 5a832d020b7..e33adf94c93 100644
--- a/src/wallet/interfaces.cpp
+++ b/src/wallet/interfaces.cpp
@@ -475,13 +475,13 @@ public:
     std::unique_ptr<Handler> handleAddressBookChanged(AddressBookChangedFn fn) override
     {
         return MakeHandler(m_wallet->NotifyAddressBookChanged.connect(
-            [fn](CWallet*, const CTxDestination& address, const std::string& label, bool is_mine,
-                const std::string& purpose, ChangeType status) { fn(address, label, is_mine, purpose, status); }));
+            [fn](const CTxDestination& address, const std::string& label, bool is_mine,
+                 const std::string& purpose, ChangeType status) { fn(address, label, is_mine, purpose, status); }));
     }
     std::unique_ptr<Handler> handleTransactionChanged(TransactionChangedFn fn) override
     {
         return MakeHandler(m_wallet->NotifyTransactionChanged.connect(
-            [fn](CWallet*, const uint256& txid, ChangeType status) { fn(txid, status); }));
+            [fn](const uint256& txid, ChangeType status) { fn(txid, status); }));
     }
     std::unique_ptr<Handler> handleWatchOnlyChanged(WatchOnlyChangedFn fn) override
     {
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index c2586b60b81..556476767ab 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -801,7 +801,7 @@ bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
         success = false;
     }
 
-    NotifyTransactionChanged(this, originalHash, CT_UPDATED);
+    NotifyTransactionChanged(originalHash, CT_UPDATED);
 
     return success;
 }
@@ -930,7 +930,7 @@ CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const CWalletTx::Confirmatio
     wtx.MarkDirty();
 
     // Notify UI of new or updated transaction
-    NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
+    NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
 
 #if HAVE_SYSTEM
     // notify an external script when a wallet transaction comes in or is updated
@@ -1104,7 +1104,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
             wtx.setAbandoned();
             wtx.MarkDirty();
             batch.WriteTx(wtx);
-            NotifyTransactionChanged(this, wtx.GetHash(), CT_UPDATED);
+            NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
             // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too
             TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
             while (iter != mapTxSpends.end() && iter->first.hash == now) {
@@ -1944,7 +1944,7 @@ void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::ve
     for (const CTxIn& txin : tx->vin) {
         CWalletTx &coin = mapWallet.at(txin.prevout.hash);
         coin.MarkDirty();
-        NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
+        NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
     }
 
     // Get the inserted-CWalletTx from mapWallet so that the
@@ -1999,7 +1999,7 @@ DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256
         for (const auto& txin : it->second.tx->vin)
             mapTxSpends.erase(txin.prevout);
         mapWallet.erase(it);
-        NotifyTransactionChanged(this, hash, CT_DELETED);
+        NotifyTransactionChanged(hash, CT_DELETED);
     }
 
     if (nZapSelectTxRet == DBErrors::NEED_REWRITE)
@@ -2033,8 +2033,8 @@ bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& add
             m_address_book[address].purpose = strPurpose;
         is_mine = IsMine(address) != ISMINE_NO;
     }
-    NotifyAddressBookChanged(this, address, strName, is_mine,
-                             strPurpose, (fUpdated ? CT_UPDATED : CT_NEW) );
+    NotifyAddressBookChanged(address, strName, is_mine,
+                             strPurpose, (fUpdated ? CT_UPDATED : CT_NEW));
     if (!strPurpose.empty() && !batch.WritePurpose(EncodeDestination(address), strPurpose))
         return false;
     return batch.WriteName(EncodeDestination(address), strName);
@@ -2069,7 +2069,7 @@ bool CWallet::DelAddressBook(const CTxDestination& address)
         is_mine = IsMine(address) != ISMINE_NO;
     }
 
-    NotifyAddressBookChanged(this, address, "", is_mine, "", CT_DELETED);
+    NotifyAddressBookChanged(address, "", is_mine, "", CT_DELETED);
 
     batch.ErasePurpose(EncodeDestination(address));
     return batch.EraseName(EncodeDestination(address));
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index b63938c5f1b..91ef79dea83 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -724,19 +724,18 @@ public:
 
     /**
      * Address book entry changed.
-     * @note called with lock cs_wallet held.
+     * @note called without lock cs_wallet held.
      */
-    boost::signals2::signal<void (CWallet *wallet, const CTxDestination
-            &address, const std::string &label, bool isMine,
-            const std::string &purpose,
-            ChangeType status)> NotifyAddressBookChanged;
+    boost::signals2::signal<void(const CTxDestination& address,
+                                 const std::string& label, bool isMine,
+                                 const std::string& purpose, ChangeType status)>
+        NotifyAddressBookChanged;
 
     /**
      * Wallet transaction added, removed or updated.
      * @note called with lock cs_wallet held.
      */
-    boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx,
-            ChangeType status)> NotifyTransactionChanged;
+    boost::signals2::signal<void(const uint256& hashTx, ChangeType status)> NotifyTransactionChanged;
 
     /** Show progress e.g. for rescan */
     boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;