diff --git a/src/basic/missing_random.h b/src/basic/include/sys/random.h
similarity index 60%
rename from src/basic/missing_random.h
rename to src/basic/include/sys/random.h
index 61b8c11ed0..c0d1197aa5 100644
--- a/src/basic/missing_random.h
+++ b/src/basic/include/sys/random.h
@@ -1,13 +1,11 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
-#include <sys/random.h> /* IWYU pragma: export */
-
-#include "forward.h"
+#include_next <sys/random.h>
 
 /* Defined since glibc-2.32. */
 #ifndef GRND_INSECURE
 #  define GRND_INSECURE 0x0004
 #else
-assert_cc(GRND_INSECURE == 0x0004);
+_Static_assert(GRND_INSECURE == 0x0004, "");
 #endif
diff --git a/src/basic/random-util.c b/src/basic/random-util.c
index 1726873237..ece0e41943 100644
--- a/src/basic/random-util.c
+++ b/src/basic/random-util.c
@@ -6,6 +6,7 @@
 #include <string.h>
 #include <sys/auxv.h>
 #include <sys/ioctl.h>
+#include <sys/random.h>
 #include <threads.h>
 #include <unistd.h>
 
@@ -15,7 +16,6 @@
 #include "io-util.h"
 #include "iovec-util.h"
 #include "log.h"
-#include "missing_random.h"
 #include "parse-util.h"
 #include "pidfd-util.h"
 #include "process-util.h"
diff --git a/src/random-seed/random-seed-tool.c b/src/random-seed/random-seed-tool.c
index a99df0e08e..b539c1f654 100644
--- a/src/random-seed/random-seed-tool.c
+++ b/src/random-seed/random-seed-tool.c
@@ -3,6 +3,7 @@
 #include <fcntl.h>
 #include <getopt.h>
 #include <stdlib.h>
+#include <sys/random.h>
 #include <sys/stat.h>
 #include <sys/xattr.h>
 #include <unistd.h>
@@ -17,7 +18,6 @@
 #include "io-util.h"
 #include "log.h"
 #include "main-func.h"
-#include "missing_random.h"
 #include "mkdir.h"
 #include "parse-util.h"
 #include "pretty-print.h"