diff --git a/sysdeps/unix/sysv/aix/setegid.c b/sysdeps/unix/sysv/aix/setegid.c
index 9f660ff27a..eedc71a54c 100644
--- a/sysdeps/unix/sysv/aix/setegid.c
+++ b/sysdeps/unix/sysv/aix/setegid.c
@@ -18,8 +18,7 @@
 
 #include <unistd.h>
 
-/* is there a reason *NOT* to include <sys/id.h>? If so #define ID_EFFECTIVE */
-#include <sys/id.h>
+#define ID_EFFECTIVE	0x01
 
 
 extern int setgidx (int mask, gid_t gid);
diff --git a/sysdeps/unix/sysv/aix/seteuid.c b/sysdeps/unix/sysv/aix/seteuid.c
index de9280be9e..c2fb9483dc 100644
--- a/sysdeps/unix/sysv/aix/seteuid.c
+++ b/sysdeps/unix/sysv/aix/seteuid.c
@@ -18,9 +18,8 @@
 
 #include <unistd.h>
 
+#define ID_EFFECTIVE	0x01
 
-/* is there a reason *NOT* to include <sys/id.h>? If so #define ID_EFFECTIVE */
-#include <sys/id.h>
 
 extern int setuidx (int mask, uid_t uid);