diff --git a/source/eventcore/driver.d b/source/eventcore/driver.d
index 18cd929..41f7a93 100644
--- a/source/eventcore/driver.d
+++ b/source/eventcore/driver.d
@@ -80,7 +80,7 @@ interface EventDriver {
 	//
 	// Timers
 	//
-	TimerID createTimer(TimerCallback callback);
+	TimerID createTimer();
 	void setTimer(TimerID timer, Duration timeout, Duration repeat = Duration.zero);
 	void stopTimer(TimerID timer);
 	bool isTimerPending(TimerID timer);
diff --git a/source/eventcore/drivers/timer.d b/source/eventcore/drivers/timer.d
index f900a83..9c4239d 100644
--- a/source/eventcore/drivers/timer.d
+++ b/source/eventcore/drivers/timer.d
@@ -66,7 +66,7 @@ mixin template DefaultTimerImpl() {
 		m_firedTimers.assumeSafeAppend();
 	}
 
-	final override TimerID createTimer(TimerCallback callback)
+	final override TimerID createTimer()
 	@trusted {
 		auto id = cast(TimerID)(m_lastTimerID + 1);
 		TimerSlot* tm;
@@ -75,7 +75,6 @@ mixin template DefaultTimerImpl() {
 		assert(tm !is null);
 		tm.id = id;
 		tm.refCount = 1;
-		tm.callbacks ~= callback;
 		m_timers[id] = tm;
 		return id;
 	}