diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -27,6 +27,7 @@
 
 class CAutoFile;
 class CBlockIndex;
+class Config;
 
 inline double AllowFreeThreshold() {
     return COIN.GetSatoshis() * 144 / 250;
@@ -580,7 +581,7 @@
     void removeRecursive(
         const CTransaction &tx,
         MemPoolRemovalReason reason = MemPoolRemovalReason::UNKNOWN);
-    void removeForReorg(const CCoinsViewCache *pcoins,
+    void removeForReorg(const Config &config, 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
@@ -7,7 +7,6 @@
 
 #include "chainparams.h" // for GetConsensus.
 #include "clientversion.h"
-#include "config.h"
 #include "consensus/consensus.h"
 #include "consensus/validation.h"
 #include "policy/fees.h"
@@ -561,7 +560,8 @@
     RemoveStaged(setAllRemoves, false, reason);
 }
 
-void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins,
+void CTxMemPool::removeForReorg(const Config &config,
+                                const CCoinsViewCache *pcoins,
                                 unsigned int nMemPoolHeight, int flags) {
     // Remove transactions spending a coinbase which are now immature and
     // no-longer-final transactions.
@@ -573,7 +573,6 @@
         LockPoints lp = it->GetLockPoints();
         bool validLP = TestLockPointValidity(&lp);
 
-        auto &config = GetConfig();
         CValidationState state;
         if (!ContextualCheckTransactionForCurrentBlock(config, tx, state,
                                                        flags) ||
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2741,7 +2741,8 @@
     }
 
     if (fBlocksDisconnected) {
-        mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1,
+        mempool.removeForReorg(config, pcoinsTip,
+                               chainActive.Tip()->nHeight + 1,
                                STANDARD_LOCKTIME_VERIFY_FLAGS);
         LimitMempoolSize(
             mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000,
@@ -2927,7 +2928,8 @@
         // ActivateBestChain considers blocks already in chainActive
         // unconditionally valid already, so force disconnect away from it.
         if (!DisconnectTip(config, state)) {
-            mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1,
+            mempool.removeForReorg(config, pcoinsTip,
+                                   chainActive.Tip()->nHeight + 1,
                                    STANDARD_LOCKTIME_VERIFY_FLAGS);
             return false;
         }
@@ -2951,7 +2953,7 @@
     }
 
     InvalidChainFound(pindex);
-    mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1,
+    mempool.removeForReorg(config, pcoinsTip, chainActive.Tip()->nHeight + 1,
                            STANDARD_LOCKTIME_VERIFY_FLAGS);
     uiInterface.NotifyBlockTip(IsInitialBlockDownload(), pindex->pprev);
     return true;