diff --git a/sysdeps/unix/sysv/aix/setgid.c b/sysdeps/unix/sysv/aix/setgid.c
index bf976ec72e..ba1b01ef35 100644
--- a/sysdeps/unix/sysv/aix/setgid.c
+++ b/sysdeps/unix/sysv/aix/setgid.c
@@ -18,9 +18,8 @@
 
 #include <unistd.h>
 
+#define ID_REAL	0x02
 
-/* is there a reason *NOT* to include <sys/id.h>?  If so #define ID_REAL */
-#include <sys/id.h>
 
 extern int setgidx (int mask, gid_t gid);
 
diff --git a/sysdeps/unix/sysv/aix/setuid.c b/sysdeps/unix/sysv/aix/setuid.c
index 679db050bd..a86343a602 100644
--- a/sysdeps/unix/sysv/aix/setuid.c
+++ b/sysdeps/unix/sysv/aix/setuid.c
@@ -18,8 +18,8 @@
 
 #include <unistd.h>
 
-/* is there a reason *NOT* to include <sys/id.h>?  If so #define ID_REAL */
-#include <sys/id.h>
+#define ID_REAL	0x02
+
 
 extern int setuidx (int mask, uid_t uid);