diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -438,7 +438,8 @@
            "       ... ]\n";
 }
 
-static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) {
+static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e)
+    EXCLUSIVE_LOCKS_REQUIRED(g_mempool.cs) {
     AssertLockHeld(g_mempool.cs);
 
     info.pushKV("size", (int)e.GetTxSize());
diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -502,7 +502,7 @@
     //!< minimum fee to get into the pool, decreases exponentially
     mutable double rollingMinimumFeeRate;
 
-    void trackPackageRemoved(const CFeeRate &rate);
+    void trackPackageRemoved(const CFeeRate &rate) EXCLUSIVE_LOCKS_REQUIRED(cs);
 
 public:
     // public only for testing
@@ -567,7 +567,7 @@
     void UpdateChild(txiter entry, txiter child, bool add);
 
     std::vector<indexed_transaction_set::const_iterator>
-    GetSortedDepthAndScore() const;
+    GetSortedDepthAndScore() const EXCLUSIVE_LOCKS_REQUIRED(cs);
 
 public:
     indirectmap<COutPoint, const CTransaction *> mapNextTx;
@@ -641,7 +641,8 @@
      */
     void
     RemoveStaged(setEntries &stage, bool updateDescendants,
-                 MemPoolRemovalReason reason = MemPoolRemovalReason::UNKNOWN);
+                 MemPoolRemovalReason reason = MemPoolRemovalReason::UNKNOWN)
+        EXCLUSIVE_LOCKS_REQUIRED(cs);
 
     /**
      * When adding transactions from a disconnected block back to the mempool,