diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index c5dff6c126..8bf8df0e47 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -35,7 +35,9 @@
 #include "ldap_pvt_thread.h"
 #include "ldap_queue.h"
 
+#ifdef LDAP_DEVEL
 #define SLAP_EXTENDED_SCHEMA 1
+#endif
 
 LDAP_BEGIN_DECL
 /*