diff --git a/include/portable.h.in b/include/portable.h.in
index 5207e59647..c99ba7db1d 100644
--- a/include/portable.h.in
+++ b/include/portable.h.in
@@ -14,11 +14,6 @@
 
 /* end of preamble */
 
-#if !defined(SLAPD_SCHEMA_COMPAT) && !defined(SLAPD_SCHEMA_NOT_COMPAT)
-	/* define SLAPD_SCHEMA_COMPAT if you want old schema codes */
-#define SLAPD_SCHEMA_NOT_COMPAT 1
-#endif
-
 
 /* Define if on AIX 3.
    System headers sometimes define this.