diff --git a/lib/strstr.c b/lib/strstr.c
index c41e90349..50a90c252 100644
--- a/lib/strstr.c
+++ b/lib/strstr.c
@@ -31,7 +31,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #if defined _LIBC || defined HAVE_STRING_H
 # include <string.h>
 #endif
-#include <sys/types.h>
 
 typedef unsigned chartype;