diff --git a/src/system/EventFD.cxx b/src/system/EventFD.cxx
index ebf8f84c3..9abe40ae6 100644
--- a/src/system/EventFD.cxx
+++ b/src/system/EventFD.cxx
@@ -29,7 +29,6 @@
 
 #include "EventFD.hxx"
 #include "system/Error.hxx"
-#include "util/Compiler.h"
 
 #include <cassert>