diff --git a/sys/amd64/amd64/mem.c b/sys/amd64/amd64/mem.c
index 8671530e367..13023b85af8 100644
--- a/sys/amd64/amd64/mem.c
+++ b/sys/amd64/amd64/mem.c
@@ -51,9 +51,9 @@
 #include <sys/ioccom.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
-#include <sys/mutex.h>
 #include <sys/malloc.h>
 #include <sys/memrange.h>
+#include <sys/mutex.h>
 #include <sys/proc.h>
 #include <sys/signalvar.h>
 #include <sys/systm.h>
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 488a8a57534..fd4fed321c8 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -75,9 +75,9 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/lock.h>
-#include <sys/mutex.h>
 #include <sys/mman.h>
 #include <sys/msgbuf.h>
+#include <sys/mutex.h>
 #include <sys/proc.h>
 #include <sys/sx.h>
 #include <sys/user.h>
diff --git a/sys/compat/pecoff/imgact_pecoff.c b/sys/compat/pecoff/imgact_pecoff.c
index f5cbfa8ff01..af84ff56168 100644
--- a/sys/compat/pecoff/imgact_pecoff.c
+++ b/sys/compat/pecoff/imgact_pecoff.c
@@ -49,8 +49,8 @@
 #include <sys/imgact.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
-#include <sys/mutex.h>
 #include <sys/mman.h>
+#include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/signalvar.h>
diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c
index ae783ddb3e6..0aafaeca95a 100644
--- a/sys/dev/md/md.c
+++ b/sys/dev/md/md.c
@@ -71,8 +71,8 @@
 #include <sys/linker.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
-#include <sys/mutex.h>
 #include <sys/mdioctl.h>
+#include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/queue.h>
diff --git a/sys/i386/i386/mem.c b/sys/i386/i386/mem.c
index 8671530e367..13023b85af8 100644
--- a/sys/i386/i386/mem.c
+++ b/sys/i386/i386/mem.c
@@ -51,9 +51,9 @@
 #include <sys/ioccom.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
-#include <sys/mutex.h>
 #include <sys/malloc.h>
 #include <sys/memrange.h>
+#include <sys/mutex.h>
 #include <sys/proc.h>
 #include <sys/signalvar.h>
 #include <sys/systm.h>
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 488a8a57534..fd4fed321c8 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -75,9 +75,9 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/lock.h>
-#include <sys/mutex.h>
 #include <sys/mman.h>
 #include <sys/msgbuf.h>
+#include <sys/mutex.h>
 #include <sys/proc.h>
 #include <sys/sx.h>
 #include <sys/user.h>
diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index 197791d1617..5e8a63884a4 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -43,8 +43,8 @@
 #include <sys/shm.h>
 #include <sys/proc.h>
 #include <sys/malloc.h>
-#include <sys/mutex.h>
 #include <sys/mman.h>
+#include <sys/mutex.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
 #include <sys/sysent.h>