diff --git a/repos/libports/src/lib/lwip/include/timer.h b/repos/libports/src/lib/lwip/include/timer.h
deleted file mode 100644
index 6cc62f6d30..0000000000
--- a/repos/libports/src/lib/lwip/include/timer.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * \brief  Timer thread, which schedules timeouts.
- * \author Stefan Kalkowski
- * \date   2009-10-28
- */
-
-/*
- * Copyright (C) 2009-2013 Genode Labs GmbH
- *
- * This file is part of the Genode OS framework, which is distributed
- * under the terms of the GNU General Public License version 2.
- */
-
-#ifndef __LWIP__INCLUDE__TIMER_H__
-#define __LWIP__INCLUDE__TIMER_H__
-
-#include <os/alarm.h>
-#include <base/thread.h>
-#include <base/sleep.h>
-#include <base/printf.h>
-#include <timer_session/connection.h>
-
-namespace Lwip {
-
-	class Scheduler : public Genode::Thread_deprecated<4096>,
-	                  public Genode::Alarm_scheduler
-	{
-		private:
-
-			Timer::Connection   _timer;
-			Genode::Alarm::Time _curr_time;   /* jiffies value */
-
-			enum { TIMER_GRANULARITY_MSEC = 1 };
-
-			void entry()
-			{
-				while (true) {
-					_timer.msleep(TIMER_GRANULARITY_MSEC);
-					Genode::Alarm_scheduler::handle(_curr_time);
-					_curr_time += TIMER_GRANULARITY_MSEC;
-				}
-			}
-
-		public:
-
-			Scheduler() : Thread_deprecated("lwip_timeout_sched"), _curr_time(0) { }
-
-			Genode::Alarm::Time curr_time() { return _curr_time; }
-	};
-
-
-	extern Scheduler *scheduler();
-}
-
-#endif //__LWIP__INCLUDE__TIMER_H__
diff --git a/repos/libports/src/lib/lwip/platform/sys_arch.cc b/repos/libports/src/lib/lwip/platform/sys_arch.cc
index 784188919c..9cef5d54f7 100644
--- a/repos/libports/src/lib/lwip/platform/sys_arch.cc
+++ b/repos/libports/src/lib/lwip/platform/sys_arch.cc
@@ -15,12 +15,12 @@
 #include <base/printf.h>
 #include <base/env.h>
 #include <base/lock.h>
+#include <base/sleep.h>
 #include <parent/parent.h>
 #include <os/timed_semaphore.h>
 
 /* LwIP includes */
 #include <lwip/genode.h>
-#include <timer.h>
 #include <ring_buffer.h>
 #include <thread.h>
 #include <verbose.h>