diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -167,13 +167,6 @@
     size_t DynamicMemoryUsage() const { return nUsageSize; }
     const LockPoints &GetLockPoints() const { return lockPoints; }
 
-    // Adjusts the descendant state. -- To be removed after Wellington
-    void UpdateDescendantState(int64_t modifySize, Amount modifyFee,
-                               int64_t modifyCount, int64_t modifySigChecks);
-    // Adjusts the ancestor state -- To be removed after Wellington
-    void UpdateAncestorState(int64_t modifySize, Amount modifyFee,
-                             int64_t modifyCount, int64_t modifySigChecks);
-
     // Updates the fee delta used for mining priority score, and the
     // modified fees with descendants.
     void UpdateFeeDelta(Amount feeDelta);
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -29,44 +29,6 @@
 #include <cmath>
 #include <limits>
 
-// Helpers for modifying CTxMemPool::mapTx, which is a boost multi_index.
-// Remove after Wellington
-struct update_descendant_state {
-    update_descendant_state(int64_t _modifySize, Amount _modifyFee,
-                            int64_t _modifyCount, int64_t _modifySigChecks)
-        : modifySize(_modifySize), modifyFee(_modifyFee),
-          modifyCount(_modifyCount), modifySigChecks(_modifySigChecks) {}
-
-    void operator()(CTxMemPoolEntry &e) {
-        e.UpdateDescendantState(modifySize, modifyFee, modifyCount,
-                                modifySigChecks);
-    }
-
-private:
-    int64_t modifySize;
-    Amount modifyFee;
-    int64_t modifyCount;
-    int64_t modifySigChecks;
-};
-
-struct update_ancestor_state {
-    update_ancestor_state(int64_t _modifySize, Amount _modifyFee,
-                          int64_t _modifyCount, int64_t _modifySigChecks)
-        : modifySize(_modifySize), modifyFee(_modifyFee),
-          modifyCount(_modifyCount), modifySigChecks(_modifySigChecks) {}
-
-    void operator()(CTxMemPoolEntry &e) {
-        e.UpdateAncestorState(modifySize, modifyFee, modifyCount,
-                              modifySigChecks);
-    }
-
-private:
-    int64_t modifySize;
-    Amount modifyFee;
-    int64_t modifyCount;
-    int64_t modifySigChecks;
-};
-
 bool TestLockPointValidity(const CChain &active_chain, const LockPoints &lp) {
     AssertLockHeld(cs_main);
     // If there are relative lock times then the maxInputBlock will be set
@@ -210,31 +172,6 @@
     }
 }
 
-void CTxMemPoolEntry::UpdateDescendantState(int64_t modifySize,
-                                            Amount modifyFee,
-                                            int64_t modifyCount,
-                                            int64_t modifySigChecks) {
-    nSizeWithDescendants += modifySize;
-    assert(int64_t(nSizeWithDescendants) > 0);
-    nModFeesWithDescendants += modifyFee;
-    nCountWithDescendants += modifyCount;
-    assert(int64_t(nCountWithDescendants) > 0);
-    nSigChecksWithDescendants += modifySigChecks;
-    assert(nSigChecksWithDescendants >= 0);
-}
-
-void CTxMemPoolEntry::UpdateAncestorState(int64_t modifySize, Amount modifyFee,
-                                          int64_t modifyCount,
-                                          int64_t modifySigChecks) {
-    nSizeWithAncestors += modifySize;
-    assert(int64_t(nSizeWithAncestors) > 0);
-    nModFeesWithAncestors += modifyFee;
-    nCountWithAncestors += modifyCount;
-    assert(int64_t(nCountWithAncestors) > 0);
-    nSigChecksWithAncestors += modifySigChecks;
-    assert(nSigChecksWithAncestors >= 0);
-}
-
 CTxMemPool::CTxMemPool(int check_ratio) : m_check_ratio(check_ratio) {
     // lock free clear
     _clear();