diff --git a/lib/libshare/os/freebsd/nfs.c b/lib/libshare/os/freebsd/nfs.c
index dbfc86f2a36..4100912cf91 100644
--- a/lib/libshare/os/freebsd/nfs.c
+++ b/lib/libshare/os/freebsd/nfs.c
@@ -26,9 +26,6 @@
  * Copyright (c) 2020, 2022 by Delphix. All rights reserved.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/vfs.h>
 
diff --git a/lib/libspl/os/freebsd/mnttab.c b/lib/libspl/os/freebsd/mnttab.c
index a4673084ad5..26a4cd992cf 100644
--- a/lib/libspl/os/freebsd/mnttab.c
+++ b/lib/libspl/os/freebsd/mnttab.c
@@ -29,9 +29,6 @@
  * functions.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/mntent.h>
diff --git a/lib/libzfs/os/freebsd/libzfs_zmount.c b/lib/libzfs/os/freebsd/libzfs_zmount.c
index 34976f7bbf4..3c50daf471b 100644
--- a/lib/libzfs/os/freebsd/libzfs_zmount.c
+++ b/lib/libzfs/os/freebsd/libzfs_zmount.c
@@ -28,9 +28,6 @@
  * This file implements Solaris compatible zmount() function.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/uio.h>
diff --git a/module/os/freebsd/spl/spl_acl.c b/module/os/freebsd/spl/spl_acl.c
index 4d67cbb183e..c820d7a6d22 100644
--- a/module/os/freebsd/spl/spl_acl.c
+++ b/module/os/freebsd/spl/spl_acl.c
@@ -23,9 +23,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/module/os/freebsd/spl/spl_atomic.c b/module/os/freebsd/spl/spl_atomic.c
index 80040fc6a3e..cdfd37f3e05 100644
--- a/module/os/freebsd/spl/spl_atomic.c
+++ b/module/os/freebsd/spl/spl_atomic.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/lock.h>
 #include <sys/mutex.h>
diff --git a/module/os/freebsd/spl/spl_dtrace.c b/module/os/freebsd/spl/spl_dtrace.c
index 6b2872bcc06..4b9cc65d641 100644
--- a/module/os/freebsd/spl/spl_dtrace.c
+++ b/module/os/freebsd/spl/spl_dtrace.c
@@ -26,9 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/queue.h>
diff --git a/module/os/freebsd/spl/spl_kmem.c b/module/os/freebsd/spl/spl_kmem.c
index c35375b729f..ceaa2b40bea 100644
--- a/module/os/freebsd/spl/spl_kmem.c
+++ b/module/os/freebsd/spl/spl_kmem.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/byteorder.h>
diff --git a/module/os/freebsd/spl/spl_kstat.c b/module/os/freebsd/spl/spl_kstat.c
index 43cd4da02e3..f657ef2a3ac 100644
--- a/module/os/freebsd/spl/spl_kstat.c
+++ b/module/os/freebsd/spl/spl_kstat.c
@@ -28,9 +28,6 @@
  * [2] https://illumos.org/man/9f/kstat_create
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/module/os/freebsd/spl/spl_misc.c b/module/os/freebsd/spl/spl_misc.c
index e3653167323..a5fc996b655 100644
--- a/module/os/freebsd/spl/spl_misc.c
+++ b/module/os/freebsd/spl/spl_misc.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/jail.h>
diff --git a/module/os/freebsd/spl/spl_policy.c b/module/os/freebsd/spl/spl_policy.c
index 01551f53f20..42a693b073d 100644
--- a/module/os/freebsd/spl/spl_policy.c
+++ b/module/os/freebsd/spl/spl_policy.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/priv.h>
diff --git a/module/os/freebsd/spl/spl_procfs_list.c b/module/os/freebsd/spl/spl_procfs_list.c
index e8448ce0068..77d33ee2e1f 100644
--- a/module/os/freebsd/spl/spl_procfs_list.c
+++ b/module/os/freebsd/spl/spl_procfs_list.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/list.h>
 #include <sys/mutex.h>
 #include <sys/procfs_list.h>
diff --git a/module/os/freebsd/spl/spl_sunddi.c b/module/os/freebsd/spl/spl_sunddi.c
index 2a3c027c938..4c97c9f12ca 100644
--- a/module/os/freebsd/spl/spl_sunddi.c
+++ b/module/os/freebsd/spl/spl_sunddi.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/jail.h>
diff --git a/module/os/freebsd/spl/spl_sysevent.c b/module/os/freebsd/spl/spl_sysevent.c
index 4a2d02350f6..dc5ed81057b 100644
--- a/module/os/freebsd/spl/spl_sysevent.c
+++ b/module/os/freebsd/spl/spl_sysevent.c
@@ -25,9 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/module/os/freebsd/spl/spl_taskq.c b/module/os/freebsd/spl/spl_taskq.c
index 4bf5cc9b8b2..1ca3e017050 100644
--- a/module/os/freebsd/spl/spl_taskq.c
+++ b/module/os/freebsd/spl/spl_taskq.c
@@ -26,9 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/kmem.h>
diff --git a/module/os/freebsd/spl/spl_vfs.c b/module/os/freebsd/spl/spl_vfs.c
index d29855eb943..6af3da138f8 100644
--- a/module/os/freebsd/spl/spl_vfs.c
+++ b/module/os/freebsd/spl/spl_vfs.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/module/os/freebsd/spl/spl_vm.c b/module/os/freebsd/spl/spl_vm.c
index 739ddb05e89..e6f019cb9a4 100644
--- a/module/os/freebsd/spl/spl_vm.c
+++ b/module/os/freebsd/spl/spl_vm.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/counter.h>
diff --git a/module/os/freebsd/spl/spl_zlib.c b/module/os/freebsd/spl/spl_zlib.c
index 42c6d7f9df6..4a2bb3884ca 100644
--- a/module/os/freebsd/spl/spl_zlib.c
+++ b/module/os/freebsd/spl/spl_zlib.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/kmem.h>
 #include <sys/kmem_cache.h>
diff --git a/module/os/freebsd/spl/spl_zone.c b/module/os/freebsd/spl/spl_zone.c
index f75d45f9de8..e3896517bd6 100644
--- a/module/os/freebsd/spl/spl_zone.c
+++ b/module/os/freebsd/spl/spl_zone.c
@@ -24,9 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/kernel.h>
diff --git a/module/os/freebsd/zfs/crypto_os.c b/module/os/freebsd/zfs/crypto_os.c
index 889a840f808..4d8493743ef 100644
--- a/module/os/freebsd/zfs/crypto_os.c
+++ b/module/os/freebsd/zfs/crypto_os.c
@@ -27,9 +27,6 @@
  * Portions of this file are derived from sys/geom/eli/g_eli_hmac.c
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/errno.h>
 
diff --git a/module/os/freebsd/zfs/dmu_os.c b/module/os/freebsd/zfs/dmu_os.c
index e0ff69290d0..0a0af102ea8 100644
--- a/module/os/freebsd/zfs/dmu_os.c
+++ b/module/os/freebsd/zfs/dmu_os.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/dmu.h>
diff --git a/module/os/freebsd/zfs/kmod_core.c b/module/os/freebsd/zfs/kmod_core.c
index 9fd8fe51cbd..82ff29a589c 100644
--- a/module/os/freebsd/zfs/kmod_core.c
+++ b/module/os/freebsd/zfs/kmod_core.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/param.h>
 #include <sys/buf.h>
 #include <sys/cmn_err.h>
diff --git a/module/os/freebsd/zfs/sysctl_os.c b/module/os/freebsd/zfs/sysctl_os.c
index 38ef590702c..55e133c096c 100644
--- a/module/os/freebsd/zfs/sysctl_os.c
+++ b/module/os/freebsd/zfs/sysctl_os.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/systm.h>
diff --git a/module/os/freebsd/zfs/zfs_file_os.c b/module/os/freebsd/zfs/zfs_file_os.c
index b314489378f..0a91ed47e14 100644
--- a/module/os/freebsd/zfs/zfs_file_os.c
+++ b/module/os/freebsd/zfs/zfs_file_os.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/dmu.h>
 #include <sys/dmu_impl.h>
 #include <sys/dmu_recv.h>
diff --git a/module/os/freebsd/zfs/zfs_ioctl_compat.c b/module/os/freebsd/zfs/zfs_ioctl_compat.c
index 3ddffec91e8..4a7beb650a8 100644
--- a/module/os/freebsd/zfs/zfs_ioctl_compat.c
+++ b/module/os/freebsd/zfs/zfs_ioctl_compat.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/conf.h>
diff --git a/module/os/freebsd/zfs/zfs_ioctl_os.c b/module/os/freebsd/zfs/zfs_ioctl_os.c
index a88f62aa08a..928cf25e940 100644
--- a/module/os/freebsd/zfs/zfs_ioctl_os.c
+++ b/module/os/freebsd/zfs/zfs_ioctl_os.c
@@ -25,9 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
 #include <sys/types.h>
 #include <sys/errno.h>
 #include <sys/nvpair.h>