diff --git a/servers/slapd/back-monitor/thread.c b/servers/slapd/back-monitor/thread.c
index 4e307beccd..3a476cc0d8 100644
--- a/servers/slapd/back-monitor/thread.c
+++ b/servers/slapd/back-monitor/thread.c
@@ -29,12 +29,7 @@
 
 #include <ldap_rq.h>
 
-static int 
-monitor_subsys_thread_update( 
-	Operation		*op,
-	SlapReply		*rs,
-	Entry 			*e );
-
+#ifndef NO_THREADS
 typedef enum {
 	MT_UNKNOWN,
 	MT_RUNQUEUE,
@@ -69,15 +64,22 @@ static struct {
 	{ BER_BVNULL }
 };
 
+static int 
+monitor_subsys_thread_update( 
+	Operation		*op,
+	SlapReply		*rs,
+	Entry 			*e );
+#endif /* ! NO_THREADS */
+
 /*
  * initializes log subentry
  */
 int
 monitor_subsys_thread_init(
 	BackendDB       	*be,
-	monitor_subsys_t	*ms
-)
+	monitor_subsys_t	*ms )
 {
+#ifndef NO_THREADS
 	monitor_info_t	*mi;
 	monitor_entry_t	*mp;
 	Entry		*e, **ep, *e_thread;
@@ -176,9 +178,11 @@ monitor_subsys_thread_init(
 
 	monitor_cache_release( mi, e_thread );
 
+#endif /* ! NO_THREADS */
 	return( 0 );
 }
 
+#ifndef NO_THREADS
 static int 
 monitor_subsys_thread_update( 
 	Operation		*op,
@@ -310,4 +314,4 @@ monitor_subsys_thread_update(
 
 	return SLAP_CB_CONTINUE;
 }
-
+#endif /* ! NO_THREADS */