diff --git a/tools/gn/scheduler.h b/tools/gn/scheduler.h
index b0732ae..02c1d8a 100644
--- a/tools/gn/scheduler.h
+++ b/tools/gn/scheduler.h
@@ -10,7 +10,6 @@
 #include "base/atomic_ref_count.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/condition_variable.h"