diff --git a/src/base_object-inl.h b/src/base_object-inl.h
index 74c1458b3d69ea..900fc2b3edb9ca 100644
--- a/src/base_object-inl.h
+++ b/src/base_object-inl.h
@@ -65,9 +65,8 @@ inline Environment* BaseObject::env() const {
 template <typename Type>
 inline void BaseObject::WeakCallback(
     const v8::WeakCallbackInfo<Type>& data) {
-  Type* self = data.GetParameter();
+  std::unique_ptr<Type> self(data.GetParameter());
   self->persistent().Reset();
-  delete self;
 }
 
 
diff --git a/src/env-inl.h b/src/env-inl.h
index f7a7559b3f2818..2c55e8cd94bd9f 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -329,7 +329,7 @@ inline Environment::~Environment() {
 #if HAVE_INSPECTOR
   // Destroy inspector agent before erasing the context. The inspector
   // destructor depends on the context still being accessible.
-  inspector_agent_.reset(nullptr);
+  inspector_agent_.reset();
 #endif
 
   context()->SetAlignedPointerInEmbedderData(kContextEmbedderDataIndex,