diff --git a/gcc/objc/Object.m b/gcc/objc/Object.m
index 84c66132f4a..39aab8c29aa 100644
--- a/gcc/objc/Object.m
+++ b/gcc/objc/Object.m
@@ -23,15 +23,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    exception does not however invalidate any other reasons why the
    executable file might be covered by the GNU General Public License. */
 
-#include <objc/Object.h>
-#include <objc/Protocol.h>
-#include <objc/objc-api.h>
-#include <objc/objc-archive.h>
+#include "objc/Object.h"
+#include "objc/Protocol.h"
+#include "objc/objc-api.h"
 
-extern int strlen(const char *);
-extern int strcmp(const char *, const char *);
-extern int read(int, void *, int);
-extern int write(int, const void *, int);
 extern int errno;
 
 #define MAX_CLASS_NAME_LEN 256
diff --git a/gcc/objc/Protocol.m b/gcc/objc/Protocol.m
index f4999bc8e44..38963d0d4bf 100644
--- a/gcc/objc/Protocol.m
+++ b/gcc/objc/Protocol.m
@@ -23,8 +23,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    This exception does not however invalidate any other reasons why
    the executable file might be covered by the GNU General Public License.  */
 
-#include <objc/Protocol.h>
-#include <objc/objc-api.h>
+#include "objc/Protocol.h"
+#include "objc/objc-api.h"
 
 /* Method description list */
 struct objc_method_description_list {