diff --git a/libexec/tftpd/tftp-file.h b/libexec/tftpd/tftp-file.h
--- a/libexec/tftpd/tftp-file.h
+++ b/libexec/tftpd/tftp-file.h
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 int	write_init(int fd, FILE *f, const char *mode);
 size_t	write_file(char *buffer, int count);
 int	write_close(void);
diff --git a/libexec/tftpd/tftp-io.h b/libexec/tftpd/tftp-io.h
--- a/libexec/tftpd/tftp-io.h
+++ b/libexec/tftpd/tftp-io.h
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define RP_NONE		0
 #define	RP_RECVFROM	-1
 #define	RP_TOOSMALL	-2
diff --git a/libexec/tftpd/tftp-options.h b/libexec/tftpd/tftp-options.h
--- a/libexec/tftpd/tftp-options.h
+++ b/libexec/tftpd/tftp-options.h
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 /*
  * Options
  */
diff --git a/libexec/tftpd/tftp-transfer.h b/libexec/tftpd/tftp-transfer.h
--- a/libexec/tftpd/tftp-transfer.h
+++ b/libexec/tftpd/tftp-transfer.h
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 int	tftp_send(int peer, uint16_t *block, struct tftp_stats *tp);
 int	tftp_receive(int peer, uint16_t *block, struct tftp_stats *tp,
 	    struct tftphdr *firstblock, size_t fb_size);
diff --git a/libexec/tftpd/tftp-utils.h b/libexec/tftpd/tftp-utils.h
--- a/libexec/tftpd/tftp-utils.h
+++ b/libexec/tftpd/tftp-utils.h
@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 /*
  */
 #define	TIMEOUT		5