From 3460fab5fced39c7ea597cc7de0ebc3e4c88989a Mon Sep 17 00:00:00 2001
From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Fri, 18 Aug 2023 13:12:02 +0300
Subject: [PATCH] linux(4): Remove sys/cdefs.h inclusion where it's not needed
 due to 685dc743

---
 sys/amd64/linux/linux_dummy_machdep.c     | 1 -
 sys/amd64/linux/linux_genassym.c          | 1 -
 sys/amd64/linux/linux_machdep.c           | 1 -
 sys/amd64/linux/linux_sysvec.c            | 1 -
 sys/amd64/linux/linux_vdso_gtod.c         | 1 -
 sys/amd64/linux32/linux32_dummy_machdep.c | 1 -
 sys/amd64/linux32/linux32_genassym.c      | 1 -
 sys/amd64/linux32/linux32_machdep.c       | 1 -
 sys/amd64/linux32/linux32_sysvec.c        | 1 -
 sys/amd64/linux32/linux32_vdso_gtod.c     | 1 -
 sys/arm64/linux/linux_dummy_machdep.c     | 1 -
 sys/arm64/linux/linux_machdep.c           | 1 -
 sys/arm64/linux/linux_sysvec.c            | 1 -
 sys/arm64/linux/linux_vdso_gtod.c         | 1 -
 sys/compat/linux/linux.c                  | 1 -
 sys/compat/linux/linux_common.c           | 1 -
 sys/compat/linux/linux_dummy.c            | 1 -
 sys/compat/linux/linux_elf.c              | 1 -
 sys/compat/linux/linux_elf32.c            | 1 -
 sys/compat/linux/linux_elf64.c            | 1 -
 sys/compat/linux/linux_emul.c             | 1 -
 sys/compat/linux/linux_errno.c            | 1 -
 sys/compat/linux/linux_event.c            | 1 -
 sys/compat/linux/linux_file.c             | 1 -
 sys/compat/linux/linux_fork.c             | 1 -
 sys/compat/linux/linux_futex.c            | 1 -
 sys/compat/linux/linux_getcwd.c           | 1 -
 sys/compat/linux/linux_ioctl.c            | 1 -
 sys/compat/linux/linux_ipc.c              | 1 -
 sys/compat/linux/linux_mib.c              | 1 -
 sys/compat/linux/linux_misc.c             | 1 -
 sys/compat/linux/linux_mmap.c             | 1 -
 sys/compat/linux/linux_netlink.c          | 1 -
 sys/compat/linux/linux_ptrace.c           | 1 -
 sys/compat/linux/linux_rseq.c             | 1 -
 sys/compat/linux/linux_signal.c           | 1 -
 sys/compat/linux/linux_socket.c           | 1 -
 sys/compat/linux/linux_stats.c            | 1 -
 sys/compat/linux/linux_sysctl.c           | 1 -
 sys/compat/linux/linux_timer.c            | 1 -
 sys/compat/linux/linux_uid16.c            | 1 -
 sys/compat/linux/linux_util.c             | 1 -
 sys/compat/linux/linux_vdso.c             | 1 -
 sys/compat/linux/linux_xattr.c            | 1 -
 sys/i386/linux/imgact_linux.c             | 1 -
 sys/i386/linux/linux_copyout.c            | 1 -
 sys/i386/linux/linux_dummy_machdep.c      | 1 -
 sys/i386/linux/linux_genassym.c           | 1 -
 sys/i386/linux/linux_machdep.c            | 1 -
 sys/i386/linux/linux_ptrace_machdep.c     | 1 -
 sys/i386/linux/linux_sysvec.c             | 1 -
 sys/i386/linux/linux_vdso_gtod.c          | 1 -
 52 files changed, 52 deletions(-)

diff --git a/sys/amd64/linux/linux_dummy_machdep.c b/sys/amd64/linux/linux_dummy_machdep.c
index b3a4d330f41..4737386cb7f 100644
--- a/sys/amd64/linux/linux_dummy_machdep.c
+++ b/sys/amd64/linux/linux_dummy_machdep.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
diff --git a/sys/amd64/linux/linux_genassym.c b/sys/amd64/linux/linux_genassym.c
index 5cb5f06093e..61526cd144b 100644
--- a/sys/amd64/linux/linux_genassym.c
+++ b/sys/amd64/linux/linux_genassym.c
@@ -1,4 +1,3 @@
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/assym.h>
diff --git a/sys/amd64/linux/linux_machdep.c b/sys/amd64/linux/linux_machdep.c
index 54dbad76d6d..2d2c5bb55ac 100644
--- a/sys/amd64/linux/linux_machdep.c
+++ b/sys/amd64/linux/linux_machdep.c
@@ -29,7 +29,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/ktr.h>
diff --git a/sys/amd64/linux/linux_sysvec.c b/sys/amd64/linux/linux_sysvec.c
index 3bf74b8aaa9..55eb34b6d32 100644
--- a/sys/amd64/linux/linux_sysvec.c
+++ b/sys/amd64/linux/linux_sysvec.c
@@ -31,7 +31,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define	__ELF_WORD_SIZE	64
 
 #include <sys/param.h>
diff --git a/sys/amd64/linux/linux_vdso_gtod.c b/sys/amd64/linux/linux_vdso_gtod.c
index 25f56c121c6..e2b5ebbec5f 100644
--- a/sys/amd64/linux/linux_vdso_gtod.c
+++ b/sys/amd64/linux/linux_vdso_gtod.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/elf.h>
 #include <sys/errno.h>
 #include <sys/proc.h>
diff --git a/sys/amd64/linux32/linux32_dummy_machdep.c b/sys/amd64/linux32/linux32_dummy_machdep.c
index 8bfdcf6f6ba..c2206c81c52 100644
--- a/sys/amd64/linux32/linux32_dummy_machdep.c
+++ b/sys/amd64/linux32/linux32_dummy_machdep.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
diff --git a/sys/amd64/linux32/linux32_genassym.c b/sys/amd64/linux32/linux32_genassym.c
index c6080c6f8de..df3f8ef7b47 100644
--- a/sys/amd64/linux32/linux32_genassym.c
+++ b/sys/amd64/linux32/linux32_genassym.c
@@ -1,4 +1,3 @@
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/assym.h>
diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c
index b0c313deff8..2598384aada 100644
--- a/sys/amd64/linux32/linux32_machdep.c
+++ b/sys/amd64/linux32/linux32_machdep.c
@@ -30,7 +30,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/imgact.h>
diff --git a/sys/amd64/linux32/linux32_sysvec.c b/sys/amd64/linux32/linux32_sysvec.c
index d1c671399d1..f2a379a6686 100644
--- a/sys/amd64/linux32/linux32_sysvec.c
+++ b/sys/amd64/linux32/linux32_sysvec.c
@@ -32,7 +32,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #ifndef COMPAT_FREEBSD32
 #error "Unable to compile Linux-emulator due to missing COMPAT_FREEBSD32 option!"
 #endif
diff --git a/sys/amd64/linux32/linux32_vdso_gtod.c b/sys/amd64/linux32/linux32_vdso_gtod.c
index 3552f37bae8..62e8dc3d3ca 100644
--- a/sys/amd64/linux32/linux32_vdso_gtod.c
+++ b/sys/amd64/linux32/linux32_vdso_gtod.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/elf.h>
 #include <sys/errno.h>
 #include <sys/proc.h>
diff --git a/sys/arm64/linux/linux_dummy_machdep.c b/sys/arm64/linux/linux_dummy_machdep.c
index ce2f9d6d9a7..d38cea2ff1a 100644
--- a/sys/arm64/linux/linux_dummy_machdep.c
+++ b/sys/arm64/linux/linux_dummy_machdep.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c
index e5f9643894c..9c9d56ca994 100644
--- a/sys/arm64/linux/linux_machdep.c
+++ b/sys/arm64/linux/linux_machdep.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/ktr.h>
diff --git a/sys/arm64/linux/linux_sysvec.c b/sys/arm64/linux/linux_sysvec.c
index 77c6b9583a1..885ac465738 100644
--- a/sys/arm64/linux/linux_sysvec.c
+++ b/sys/arm64/linux/linux_sysvec.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define	__ELF_WORD_SIZE	64
 
 #include <sys/param.h>
diff --git a/sys/arm64/linux/linux_vdso_gtod.c b/sys/arm64/linux/linux_vdso_gtod.c
index eef6022dbae..94a3c948d33 100644
--- a/sys/arm64/linux/linux_vdso_gtod.c
+++ b/sys/arm64/linux/linux_vdso_gtod.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/elf.h>
 #include <sys/errno.h>
 #include <sys/proc.h>
diff --git a/sys/compat/linux/linux.c b/sys/compat/linux/linux.c
index 2021dbf5b52..569f9ffe161 100644
--- a/sys/compat/linux/linux.c
+++ b/sys/compat/linux/linux.c
@@ -23,7 +23,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_inet6.h"
 
 #include <sys/param.h>
diff --git a/sys/compat/linux/linux_common.c b/sys/compat/linux/linux_common.c
index 67e37e15893..e22e29ff2b2 100644
--- a/sys/compat/linux/linux_common.c
+++ b/sys/compat/linux/linux_common.c
@@ -24,7 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/exec.h>
 #include <sys/imgact.h>
diff --git a/sys/compat/linux/linux_dummy.c b/sys/compat/linux/linux_dummy.c
index 4529e39977b..4fdab6daab4 100644
--- a/sys/compat/linux/linux_dummy.c
+++ b/sys/compat/linux/linux_dummy.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/sdt.h>
diff --git a/sys/compat/linux/linux_elf.c b/sys/compat/linux/linux_elf.c
index c6c8fdcfdb3..c9eb6aea837 100644
--- a/sys/compat/linux/linux_elf.c
+++ b/sys/compat/linux/linux_elf.c
@@ -37,7 +37,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/exec.h>
 #include <sys/imgact.h>
diff --git a/sys/compat/linux/linux_elf32.c b/sys/compat/linux/linux_elf32.c
index 59ecdd7510d..6bd4b141af8 100644
--- a/sys/compat/linux/linux_elf32.c
+++ b/sys/compat/linux/linux_elf32.c
@@ -31,6 +31,5 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define __ELF_WORD_SIZE 32
 #include <compat/linux/linux_elf.c>
diff --git a/sys/compat/linux/linux_elf64.c b/sys/compat/linux/linux_elf64.c
index bc992b86a2f..397bcf741fa 100644
--- a/sys/compat/linux/linux_elf64.c
+++ b/sys/compat/linux/linux_elf64.c
@@ -31,6 +31,5 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define __ELF_WORD_SIZE 64
 #include <compat/linux/linux_elf.c>
diff --git a/sys/compat/linux/linux_emul.c b/sys/compat/linux/linux_emul.c
index 731d3f1b340..e5ab5180246 100644
--- a/sys/compat/linux/linux_emul.c
+++ b/sys/compat/linux/linux_emul.c
@@ -28,7 +28,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/imgact.h>
diff --git a/sys/compat/linux/linux_errno.c b/sys/compat/linux/linux_errno.c
index 9b1fe162e8a..f04f694e5be 100644
--- a/sys/compat/linux/linux_errno.c
+++ b/sys/compat/linux/linux_errno.c
@@ -1,5 +1,4 @@
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/errno.h>
diff --git a/sys/compat/linux/linux_event.c b/sys/compat/linux/linux_event.c
index 220bd969a7a..a7db8516e5f 100644
--- a/sys/compat/linux/linux_event.c
+++ b/sys/compat/linux/linux_event.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/callout.h>
 #include <sys/capsicum.h>
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
index 1c4246e1d2f..62094697e10 100644
--- a/sys/compat/linux/linux_file.c
+++ b/sys/compat/linux/linux_file.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/dirent.h>
diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c
index 54eef6ac99f..4ce3bc192b4 100644
--- a/sys/compat/linux/linux_fork.c
+++ b/sys/compat/linux/linux_fork.c
@@ -28,7 +28,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/ktr.h>
 #include <sys/lock.h>
diff --git a/sys/compat/linux/linux_futex.c b/sys/compat/linux/linux_futex.c
index a22ffce0c28..ab2760859e1 100644
--- a/sys/compat/linux/linux_futex.c
+++ b/sys/compat/linux/linux_futex.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/imgact.h>
 #include <sys/imgact_elf.h>
diff --git a/sys/compat/linux/linux_getcwd.c b/sys/compat/linux/linux_getcwd.c
index aae71181389..e11b47aff17 100644
--- a/sys/compat/linux/linux_getcwd.c
+++ b/sys/compat/linux/linux_getcwd.c
@@ -35,7 +35,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/malloc.h>
 #include <sys/proc.h>
diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c
index 413d761520d..d0bc8708ebf 100644
--- a/sys/compat/linux/linux_ioctl.c
+++ b/sys/compat/linux/linux_ioctl.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/capsicum.h>
 #include <sys/cdio.h>
diff --git a/sys/compat/linux/linux_ipc.c b/sys/compat/linux/linux_ipc.c
index 0e4893a9749..5b6a28b2077 100644
--- a/sys/compat/linux/linux_ipc.c
+++ b/sys/compat/linux/linux_ipc.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/limits.h>
 #include <sys/msg.h>
diff --git a/sys/compat/linux/linux_mib.c b/sys/compat/linux/linux_mib.c
index c6325ce81d6..9e1c4ed9df5 100644
--- a/sys/compat/linux/linux_mib.c
+++ b/sys/compat/linux/linux_mib.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 75da0cd3b0b..5e692fea1ea 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -29,7 +29,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/jail.h>
diff --git a/sys/compat/linux/linux_mmap.c b/sys/compat/linux/linux_mmap.c
index 0bb5a261c11..223ff1733ac 100644
--- a/sys/compat/linux/linux_mmap.c
+++ b/sys/compat/linux/linux_mmap.c
@@ -29,7 +29,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/ktr.h>
diff --git a/sys/compat/linux/linux_netlink.c b/sys/compat/linux/linux_netlink.c
index e6f38759212..a6846035c22 100644
--- a/sys/compat/linux/linux_netlink.c
+++ b/sys/compat/linux/linux_netlink.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_inet.h"
 #include "opt_inet6.h"
 #include "opt_netlink.h"
diff --git a/sys/compat/linux/linux_ptrace.c b/sys/compat/linux/linux_ptrace.c
index 10f18b97010..421760eab2a 100644
--- a/sys/compat/linux/linux_ptrace.c
+++ b/sys/compat/linux/linux_ptrace.c
@@ -29,7 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/lock.h>
 #include <sys/proc.h>
diff --git a/sys/compat/linux/linux_rseq.c b/sys/compat/linux/linux_rseq.c
index 05fd0f340de..e8de17318d6 100644
--- a/sys/compat/linux/linux_rseq.c
+++ b/sys/compat/linux/linux_rseq.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 
diff --git a/sys/compat/linux/linux_signal.c b/sys/compat/linux/linux_signal.c
index 73571d7f67c..5b4f9c2adc6 100644
--- a/sys/compat/linux/linux_signal.c
+++ b/sys/compat/linux/linux_signal.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_ktrace.h"
 
 #include <sys/param.h>
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index eaccfab76ee..6c7cf12cf42 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_inet6.h"
 
 #include <sys/param.h>
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c
index 4621bdf986d..6c032cc569f 100644
--- a/sys/compat/linux/linux_stats.c
+++ b/sys/compat/linux/linux_stats.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_ktrace.h"
 
 #include <sys/param.h>
diff --git a/sys/compat/linux/linux_sysctl.c b/sys/compat/linux/linux_sysctl.c
index 6753941505b..65c64a7ba56 100644
--- a/sys/compat/linux/linux_sysctl.c
+++ b/sys/compat/linux/linux_sysctl.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
diff --git a/sys/compat/linux/linux_timer.c b/sys/compat/linux/linux_timer.c
index 66fd309a948..2188006ec38 100644
--- a/sys/compat/linux/linux_timer.c
+++ b/sys/compat/linux/linux_timer.c
@@ -28,7 +28,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/proc.h>
 #include <sys/signal.h>
diff --git a/sys/compat/linux/linux_uid16.c b/sys/compat/linux/linux_uid16.c
index aa7fc628c73..a0c9f1c3919 100644
--- a/sys/compat/linux/linux_uid16.c
+++ b/sys/compat/linux/linux_uid16.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/fcntl.h>
 #include <sys/lock.h>
diff --git a/sys/compat/linux/linux_util.c b/sys/compat/linux/linux_util.c
index 07198d1eb36..ad6b6fda644 100644
--- a/sys/compat/linux/linux_util.c
+++ b/sys/compat/linux/linux_util.c
@@ -31,7 +31,6 @@
  *	from: svr4_util.c,v 1.5 1995/01/22 23:44:50 christos Exp
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/bus.h>
diff --git a/sys/compat/linux/linux_vdso.c b/sys/compat/linux/linux_vdso.c
index 949fb660a2f..a415a92783d 100644
--- a/sys/compat/linux/linux_vdso.c
+++ b/sys/compat/linux/linux_vdso.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 #define	__ELF_WORD_SIZE	32
 #else
diff --git a/sys/compat/linux/linux_xattr.c b/sys/compat/linux/linux_xattr.c
index 2058033104f..b54a0d2f89a 100644
--- a/sys/compat/linux/linux_xattr.c
+++ b/sys/compat/linux/linux_xattr.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/extattr.h>
 #include <sys/fcntl.h>
diff --git a/sys/i386/linux/imgact_linux.c b/sys/i386/linux/imgact_linux.c
index 828fcb891f3..63bf89784f8 100644
--- a/sys/i386/linux/imgact_linux.c
+++ b/sys/i386/linux/imgact_linux.c
@@ -29,7 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/exec.h>
diff --git a/sys/i386/linux/linux_copyout.c b/sys/i386/linux/linux_copyout.c
index c55b39328f7..58fde98a77b 100644
--- a/sys/i386/linux/linux_copyout.c
+++ b/sys/i386/linux/linux_copyout.c
@@ -28,7 +28,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/imgact.h>
 #include <sys/lock.h>
diff --git a/sys/i386/linux/linux_dummy_machdep.c b/sys/i386/linux/linux_dummy_machdep.c
index dd8c67a7203..0a168bd46cc 100644
--- a/sys/i386/linux/linux_dummy_machdep.c
+++ b/sys/i386/linux/linux_dummy_machdep.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
diff --git a/sys/i386/linux/linux_genassym.c b/sys/i386/linux/linux_genassym.c
index 0703072697c..5863b658b4f 100644
--- a/sys/i386/linux/linux_genassym.c
+++ b/sys/i386/linux/linux_genassym.c
@@ -1,4 +1,3 @@
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/assym.h>
 #include <sys/systm.h>
diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c
index 4cdee604a7f..8dbcbcd2609 100644
--- a/sys/i386/linux/linux_machdep.c
+++ b/sys/i386/linux/linux_machdep.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_posix.h"
 
 #include <sys/param.h>
diff --git a/sys/i386/linux/linux_ptrace_machdep.c b/sys/i386/linux/linux_ptrace_machdep.c
index 405d0062f73..9b20b721eaa 100644
--- a/sys/i386/linux/linux_ptrace_machdep.c
+++ b/sys/i386/linux/linux_ptrace_machdep.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_cpu.h"
 
 #include <sys/param.h>
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c
index dc59c44c4da..fe3e3f74362 100644
--- a/sys/i386/linux/linux_sysvec.c
+++ b/sys/i386/linux/linux_sysvec.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define __ELF_WORD_SIZE	32
 
 #include <sys/param.h>
diff --git a/sys/i386/linux/linux_vdso_gtod.c b/sys/i386/linux/linux_vdso_gtod.c
index d889adb2380..2147dbd3a0f 100644
--- a/sys/i386/linux/linux_vdso_gtod.c
+++ b/sys/i386/linux/linux_vdso_gtod.c
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/elf.h>
 #include <sys/errno.h>
 #include <sys/proc.h>