diff --git a/src/validation.h b/src/validation.h
--- a/src/validation.h
+++ b/src/validation.h
@@ -1285,6 +1285,12 @@
     //! Check to see if caches are out of balance and if so, call
     //! ResizeCoinsCaches() as needed.
     void MaybeRebalanceCaches() EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
+
+    ~ChainstateManager() {
+        LOCK(::cs_main);
+        UnloadBlockIndex(/* mempool */ nullptr, *this);
+        Reset();
+    }
 };
 
 /**