diff --git a/usr.sbin/makefs/ffs/ffs_bswap.c b/usr.sbin/makefs/ffs/ffs_bswap.c
index d2f9fb16e5ba..8cf8c50e5167 100644
--- a/usr.sbin/makefs/ffs/ffs_bswap.c
+++ b/usr.sbin/makefs/ffs/ffs_bswap.c
@@ -11,11 +11,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by Manuel Bouyer.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
diff --git a/usr.sbin/makefs/ffs/ufs_bswap.h b/usr.sbin/makefs/ffs/ufs_bswap.h
index 64b07b51053d..27667b5f6f58 100644
--- a/usr.sbin/makefs/ffs/ufs_bswap.h
+++ b/usr.sbin/makefs/ffs/ufs_bswap.h
@@ -11,11 +11,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by Manuel Bouyer.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES