diff --git a/src/apps/common/event_loop.h b/src/apps/common/event_loop.h
index 53b2c37d..d8b6df2f 100644
--- a/src/apps/common/event_loop.h
+++ b/src/apps/common/event_loop.h
@@ -41,7 +41,6 @@ public:
 	void addFdEvent(int fd, EventType type,
 			std::function<void()> &&handler);
 
-	using duration = std::chrono::steady_clock::duration;
 	void addTimerEvent(const std::chrono::microseconds period,
 			   std::function<void()> &&handler);