diff --git a/src/basic/namespace-util.h b/src/basic/namespace-util.h
index e15afd9340..e0e857b7a4 100644
--- a/src/basic/namespace-util.h
+++ b/src/basic/namespace-util.h
@@ -1,8 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
-#include <sched.h>              /* IWYU pragma: export */
-
 #include "forward.h"
 
 typedef enum NamespaceType {