diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -476,6 +476,7 @@
     uint32_t nCheckFrequency;
     unsigned int nTransactionsUpdated;
     CBlockPolicyEstimator *minerPolicyEstimator;
+    const Config *config;
 
     //!< sum of all mempool tx's virtual sizes.
     uint64_t totalTxSize;
@@ -587,7 +588,7 @@
     void removeRecursive(
         const CTransaction &tx,
         MemPoolRemovalReason reason = MemPoolRemovalReason::UNKNOWN);
-    void removeForReorg(const Config &config, const CCoinsViewCache *pcoins,
+    void removeForReorg(const CCoinsViewCache *pcoins,
                         unsigned int nMemPoolHeight, int flags);
     void removeConflicts(const CTransaction &tx);
     void removeForBlock(const std::vector<CTransactionRef> &vtx,
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -7,6 +7,7 @@
 
 #include "chainparams.h" // for GetConsensus.
 #include "clientversion.h"
+#include "config.h"
 #include "consensus/consensus.h"
 #include "consensus/validation.h"
 #include "policy/fees.h"
@@ -383,6 +384,8 @@
     // lock free clear
     _clear();
 
+    config = &GetConfig();
+
     // Sanity checks off by default for performance, because otherwise accepting
     // transactions becomes O(N^2) where N is the number of transactions in the
     // pool
@@ -559,8 +562,7 @@
     RemoveStaged(setAllRemoves, false, reason);
 }
 
-void CTxMemPool::removeForReorg(const Config &config,
-                                const CCoinsViewCache *pcoins,
+void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins,
                                 unsigned int nMemPoolHeight, int flags) {
     // Remove transactions spending a coinbase which are now immature and
     // no-longer-final transactions.
@@ -573,7 +575,7 @@
         bool validLP = TestLockPointValidity(&lp);
 
         CValidationState state;
-        if (!ContextualCheckTransactionForCurrentBlock(config, tx, state,
+        if (!ContextualCheckTransactionForCurrentBlock(*config, tx, state,
                                                        flags) ||
             !CheckSequenceLocks(tx, flags, &lp, validLP)) {
             // Note if CheckSequenceLocks fails the LockPoints may still be
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -683,7 +683,7 @@
     mempool.UpdateTransactionsFromBlock(vHashUpdate);
 
     // We also need to remove any now-immature transactions
-    mempool.removeForReorg(config, pcoinsTip, chainActive.Tip()->nHeight + 1,
+    mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1,
                            STANDARD_LOCKTIME_VERIFY_FLAGS);
     // Re-limit mempool size, in case we added any transactions
     LimitMempoolSize(