diff --git a/src/Conn.h b/src/Conn.h
index 881c3920f2..8d1b5b974b 100644
--- a/src/Conn.h
+++ b/src/Conn.h
@@ -401,7 +401,7 @@ public:
 	void Dispatch(double t, bool is_expire) override;
 
 protected:
-	ConnectionTimer()	{}
+	ConnectionTimer() = default;
 
 	void Init(Connection* conn, timer_func timer, bool do_expire);
 
diff --git a/src/Timer.h b/src/Timer.h
index 02be6f379d..6acb8f7dd0 100644
--- a/src/Timer.h
+++ b/src/Timer.h
@@ -65,8 +65,8 @@ public:
 	void Describe(ODesc* d) const;
 
 protected:
-	Timer()	{}
-	TimerType type;
+	Timer()	= default;
+	TimerType type{};
 };
 
 class TimerMgr : public iosource::IOSource {