diff --git a/pvDataApp/misc/CDRMonitor.h b/pvDataApp/misc/CDRMonitor.h
index 924de2f..7f11b4b 100644
--- a/pvDataApp/misc/CDRMonitor.h
+++ b/pvDataApp/misc/CDRMonitor.h
@@ -102,6 +102,8 @@ getNode(CDRNodeInstance *inst)
     return inst->node;
 }
 
+#ifndef NDEBUG
+
 #define PVDATA_REFCOUNT_MONITOR_DEFINE(NAME) \
 static CDRNodeInstance NAME ## _node={0,EPICS_THREAD_ONCE_INIT,#NAME}
 
@@ -117,5 +119,15 @@ static CDRNodeInstance NAME ## _node={0,EPICS_THREAD_ONCE_INIT,#NAME}
             getNode(&NAME ## _node)->decRef()
 
 
+#else
+
+#define PVDATA_REFCOUNT_MONITOR_DEFINE(NAME)
+#define PVDATA_REFCOUNT_MONITOR_DESTRUCT(NAME)
+#define PVDATA_REFCOUNT_MONITOR_CONSTRUCT(NAME)
+#define PVDATA_REFCOUNT_MONITOR_INCREF(NAME)
+#define PVDATA_REFCOUNT_MONITOR_DECREF(NAME)
+
+#endif
+
 }}
 #endif  /* CDRMONITOR_H */