diff --git a/src/txmempool.h b/src/txmempool.h
index 94168851255..b10c9f099f4 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -577,8 +577,8 @@ public:
     // Note that addUnchecked is ONLY called from ATMP outside of tests
     // and any other callers may break wallet's in-mempool tracking (due to
     // lack of CValidationInterface::TransactionAddedToMempool callbacks).
-    void addUnchecked(const CTxMemPoolEntry& entry, bool validFeeEstimate = true) EXCLUSIVE_LOCKS_REQUIRED(cs);
-    void addUnchecked(const CTxMemPoolEntry& entry, setEntries& setAncestors, bool validFeeEstimate = true) EXCLUSIVE_LOCKS_REQUIRED(cs);
+    void addUnchecked(const CTxMemPoolEntry& entry, bool validFeeEstimate = true) EXCLUSIVE_LOCKS_REQUIRED(cs, cs_main);
+    void addUnchecked(const CTxMemPoolEntry& entry, setEntries& setAncestors, bool validFeeEstimate = true) EXCLUSIVE_LOCKS_REQUIRED(cs, cs_main);
 
     void removeRecursive(const CTransaction &tx, MemPoolRemovalReason reason = MemPoolRemovalReason::UNKNOWN);
     void removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight, int flags) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
@@ -630,7 +630,7 @@ public:
      *  for).  Note: vHashesToUpdate should be the set of transactions from the
      *  disconnected block that have been accepted back into the mempool.
      */
-    void UpdateTransactionsFromBlock(const std::vector<uint256> &vHashesToUpdate);
+    void UpdateTransactionsFromBlock(const std::vector<uint256>& vHashesToUpdate) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
     /** Try to calculate all in-mempool ancestors of entry.
      *  (these are all calculated including the tx itself)
@@ -672,7 +672,7 @@ public:
      */
     void GetTransactionAncestry(const uint256& txid, size_t& ancestors, size_t& descendants) const;
 
-    unsigned long size()
+    unsigned long size() const
     {
         LOCK(cs);
         return mapTx.size();
diff --git a/src/validation.cpp b/src/validation.cpp
index 25818e496d4..ee7cb117796 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -173,7 +173,7 @@ public:
                       CCoinsViewCache& view, const CChainParams& chainparams, bool fJustCheck = false) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
     // Block disconnection on our pcoinsTip:
-    bool DisconnectTip(CValidationState& state, const CChainParams& chainparams, DisconnectedBlockTransactions *disconnectpool);
+    bool DisconnectTip(CValidationState& state, const CChainParams& chainparams, DisconnectedBlockTransactions* disconnectpool) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
     // Manual block validity manipulation:
     bool PreciousBlock(CValidationState& state, const CChainParams& params, CBlockIndex* pindex) LOCKS_EXCLUDED(cs_main);