diff --git a/channels/chan_misdn.c b/channels/chan_misdn.c
index ae8bcd7b8a..d1e55679e0 100644
--- a/channels/chan_misdn.c
+++ b/channels/chan_misdn.c
@@ -369,8 +369,8 @@ struct hold_info {
 	int channel;
 };
 
-#define chan_list_ref(obj, debug) (ao2_t_ref((obj), +1, (debug)), (obj))
-#define chan_list_unref(obj, debug) (ao2_t_ref((obj), -1, (debug)), NULL)
+#define chan_list_ref(obj, debug) ao2_t_ref((obj), +1, (debug))
+#define chan_list_unref(obj, debug) ao2_t_ref((obj), -1, (debug))
 
 /*!
  * \brief Channel call record structure
diff --git a/channels/misdn_config.c b/channels/misdn_config.c
index 32f92c3238..a3ea315a1a 100644
--- a/channels/misdn_config.c
+++ b/channels/misdn_config.c
@@ -698,7 +698,7 @@ void misdn_cfg_get_desc (enum misdn_cfg_elements elem, void *buf, int bufsize, v
 	else if ((elem > MISDN_GEN_FIRST) && (elem < MISDN_GEN_LAST))
 		spec = (struct misdn_cfg_spec *)gen_spec;
 
-	if (!spec || !spec[place].desc)
+	if (!spec)
 		memset(buf, 0, 1);
 	else {
 		ast_copy_string(buf, spec[place].desc, bufsize);