diff --git a/sys/dev/bnxt/convert_hsi.pl b/sys/dev/bnxt/convert_hsi.pl
--- a/sys/dev/bnxt/convert_hsi.pl
+++ b/sys/dev/bnxt/convert_hsi.pl
@@ -55,9 +55,6 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__FBSDID("\$FreeBSD\$");
-
 END_OF_NOTICE
 
 # Convert line endings
@@ -132,9 +129,6 @@
 	 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 	 */
 
-	#include <sys/cdefs.h>
-	__FBSDID("\$FreeBSD\$");
-
 END_OF_NOTICE
 
 	if(!open(HDR, ">", "hsi_struct_decode.h")) {
diff --git a/tools/tools/drm/radeon/mkregtable/mkregtable.c b/tools/tools/drm/radeon/mkregtable/mkregtable.c
--- a/tools/tools/drm/radeon/mkregtable/mkregtable.c
+++ b/tools/tools/drm/radeon/mkregtable/mkregtable.c
@@ -593,11 +593,6 @@
 
 	nlloop = (t->nentry + 3) / 4;
 	c = t->nentry;
-	printf(
-	    "#include <sys/cdefs.h>\n"
-	    "__FBSDID(\"$" "FreeBSD" "$\");\n"
-	    "\n"
-	    );
 	printf("static const unsigned %s_reg_safe_bm[%d] = {\n", t->gpu_prefix,
 	       t->nentry);
 	for (i = 0, id = 0; i < nlloop; i++) {