diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
index 047bde3c250..49dcae050d7 100644
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -31,7 +31,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include "opt_capsicum.h"
 
 #include <sys/param.h>