diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index fcfc27d38ee..ba1bdb197ba 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -64,16 +64,6 @@ private:
     int64_t feeDelta;
 };
 
-struct update_lock_points
-{
-    explicit update_lock_points(const LockPoints& _lp) : lp(_lp) { }
-
-    void operator() (CTxMemPoolEntry &e) { e.UpdateLockPoints(lp); }
-
-private:
-    const LockPoints& lp;
-};
-
 bool TestLockPointValidity(CChain& active_chain, const LockPoints& lp)
 {
     AssertLockHeld(cs_main);
diff --git a/src/txmempool.h b/src/txmempool.h
index f87ecc9cd08..ba1d381a5cc 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -312,6 +312,16 @@ public:
     }
 };
 
+struct update_lock_points
+{
+    explicit update_lock_points(const LockPoints& _lp) : lp(_lp) { }
+
+    void operator() (CTxMemPoolEntry &e) { e.UpdateLockPoints(lp); }
+
+private:
+    const LockPoints& lp;
+};
+
 // Multi_index tag names
 struct descendant_score {};
 struct entry_time {};