diff --git a/src/V3Fork.cpp b/src/V3Fork.cpp
index 098104d111..bd52f90a1c 100644
--- a/src/V3Fork.cpp
+++ b/src/V3Fork.cpp
@@ -441,7 +441,15 @@ class DynScopeVisitor final : public VNVisitor {
 
         if (typesAdded) v3Global.rootp()->typeTablep()->repairCache();
     }
-    ~DynScopeVisitor() override = default;
+    ~DynScopeVisitor() override {
+        std::set<ForkDynScopeFrame*> frames;
+        for (auto node_frame : m_frames) {
+            frames.insert(node_frame.second);
+        }
+        for (auto* frame : frames) {
+            delete frame;
+        }
+    }
 };
 
 //######################################################################