diff --git a/sys/arm/broadcom/bcm2835/bcm2835_rng.c b/sys/arm/broadcom/bcm2835/bcm2835_rng.c
index 5067120c80f..bc13bdba223 100644
--- a/sys/arm/broadcom/bcm2835/bcm2835_rng.c
+++ b/sys/arm/broadcom/bcm2835/bcm2835_rng.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/sys/arm/freescale/imx/imx6_ahci.c b/sys/arm/freescale/imx/imx6_ahci.c
index 9a789049b98..ad46452903a 100644
--- a/sys/arm/freescale/imx/imx6_ahci.c
+++ b/sys/arm/freescale/imx/imx6_ahci.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/sys/dev/gpio/gpiopower.c b/sys/dev/gpio/gpiopower.c
index 28ca9ad36fb..5c369396813 100644
--- a/sys/dev/gpio/gpiopower.c
+++ b/sys/dev/gpio/gpiopower.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/sys/dev/videomode/vesagtf.c b/sys/dev/videomode/vesagtf.c
index c02c421c14a..077cf7d1a0e 100644
--- a/sys/dev/videomode/vesagtf.c
+++ b/sys/dev/videomode/vesagtf.c
@@ -150,9 +150,6 @@
  */
 
 #ifdef	_KERNEL
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/sys/fs/autofs/autofs_vfsops.c b/sys/fs/autofs/autofs_vfsops.c
index 07bec01517c..473a0b2280a 100644
--- a/sys/fs/autofs/autofs_vfsops.c
+++ b/sys/fs/autofs/autofs_vfsops.c
@@ -29,8 +29,6 @@
  *
  */
 
-#include <sys/cdefs.h>
- __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/sys/fs/tmpfs/tmpfs_fifoops.c b/sys/fs/tmpfs/tmpfs_fifoops.c
index a8a4949529e..27f77e5d7f2 100644
--- a/sys/fs/tmpfs/tmpfs_fifoops.c
+++ b/sys/fs/tmpfs/tmpfs_fifoops.c
@@ -35,8 +35,6 @@
 /*
  * tmpfs vnode interface for named pipes.
  */
-#include <sys/cdefs.h>
- __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/mount.h>
diff --git a/sys/net/rss_config.c b/sys/net/rss_config.c
index ee15ed3da2b..266ea57b2dc 100644
--- a/sys/net/rss_config.c
+++ b/sys/net/rss_config.c
@@ -27,9 +27,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include "opt_inet6.h"
 
diff --git a/sys/netinet/in_rss.c b/sys/netinet/in_rss.c
index 18cfaf986c4..698fd86dc7a 100644
--- a/sys/netinet/in_rss.c
+++ b/sys/netinet/in_rss.c
@@ -27,9 +27,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include "opt_inet6.h"
 
diff --git a/sys/netinet6/in6_rss.c b/sys/netinet6/in6_rss.c
index 41916cf4158..79c7bfa6e68 100644
--- a/sys/netinet6/in6_rss.c
+++ b/sys/netinet6/in6_rss.c
@@ -27,9 +27,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-
-__FBSDID("$FreeBSD$");
 
 #include "opt_inet6.h"