diff --git a/src/tracing/agent.h b/src/tracing/agent.h
index c2cd8281641..d7d67ce2de6 100644
--- a/src/tracing/agent.h
+++ b/src/tracing/agent.h
@@ -63,12 +63,12 @@ class AgentWriterHandle {
 
   inline v8::TracingController* GetTracingController();
 
- private:
-  inline AgentWriterHandle(Agent* agent, int id) : agent_(agent), id_(id) {}
-
   AgentWriterHandle(const AgentWriterHandle& other) = delete;
   AgentWriterHandle& operator=(const AgentWriterHandle& other) = delete;
 
+ private:
+  inline AgentWriterHandle(Agent* agent, int id) : agent_(agent), id_(id) {}
+
   Agent* agent_ = nullptr;
   int id_;