diff --git a/src/inspector/worker_inspector.h b/src/inspector/worker_inspector.h
index e3c96cf62f01b0..c1d3b8a5711740 100644
--- a/src/inspector/worker_inspector.h
+++ b/src/inspector/worker_inspector.h
@@ -21,6 +21,7 @@ class WorkerDelegate {
                              const std::string& url,
                              bool waiting,
                              std::shared_ptr<MainThreadHandle> worker) = 0;
+  virtual ~WorkerDelegate() {}
 };
 
 class WorkerManagerEventHandle {
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 2932df5a405424..19cdbba368fea1 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -4839,6 +4839,7 @@ class KeyPairGenerationConfig {
   virtual bool Configure(const EVPKeyCtxPointer& ctx) {
     return true;
   }
+  virtual ~KeyPairGenerationConfig() {}
 };
 
 class RSAKeyPairGenerationConfig : public KeyPairGenerationConfig {
diff --git a/src/node_options.h b/src/node_options.h
index 32189dacfb080a..0e8af86218b641 100644
--- a/src/node_options.h
+++ b/src/node_options.h
@@ -24,6 +24,7 @@ struct HostPort {
 class Options {
  public:
   virtual void CheckOptions(std::vector<std::string>* errors) {}
+  virtual ~Options() {}
 };
 
 // These options are currently essentially per-Environment, but it can be nice