diff --git a/newlib/libc/stdlib/imaxdiv.c b/newlib/libc/stdlib/imaxdiv.c
index 045ba2948..70808bcc1 100644
--- a/newlib/libc/stdlib/imaxdiv.c
+++ b/newlib/libc/stdlib/imaxdiv.c
@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <inttypes.h>
 #include <stdint.h>