diff --git a/orte/mca/grpcomm/cnos/grpcomm_cnos_module.c b/orte/mca/grpcomm/cnos/grpcomm_cnos_module.c
index d4415a99f0..c83983fa2c 100644
--- a/orte/mca/grpcomm/cnos/grpcomm_cnos_module.c
+++ b/orte/mca/grpcomm/cnos/grpcomm_cnos_module.c
@@ -27,8 +27,12 @@
 #endif  /* HAVE_SYS_TIME_H */
 
 #include "opal/dss/dss.h"
+#include "opal/class/opal_list.h"
+#include "opal/class/opal_value_array.h"
+
 #include "orte/mca/errmgr/errmgr.h"
 #include "orte/mca/rml/rml_types.h"
+#include "orte/mca/rmaps/rmaps_types.h"
 
 #include "grpcomm_cnos.h"
 
@@ -44,13 +48,13 @@ static int xcast(orte_jobid_t job,
                  opal_buffer_t *buffer,
                  orte_rml_tag_t tag);
 
-static int orte_grpcomm_cnos_barrier(orte_jobid_t jobid);
+static int orte_grpcomm_cnos_barrier(void);
 
-static int allgather(orte_jobid_t jobid, opal_buffer_t *sbuf, opal_buffer_t *rbuf);
+static int allgather(opal_buffer_t *sbuf, opal_buffer_t *rbuf);
 
 static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t *rbuf);
 
-static int next_recips(opal_list_t *names, orte_grpcomm_mode_t mode);
+static opal_list_t* next_recips(orte_grpcomm_mode_t mode);
 
 static int set_proc_attr(const char *attr_name,
                          const void *data,
@@ -64,6 +68,15 @@ static int modex(opal_list_t *procs);
 
 static int purge_proc_attrs(void);
 
+static int daemon_collective(orte_jobid_t jobid,
+                             orte_std_cntr_t num_local_contributors,
+                             orte_grpcomm_coll_t type,
+                             opal_buffer_t *data,
+                             orte_rmaps_dp_t flag,
+                             opal_value_array_t *participants);
+
+static int update_trees(void);
+
 orte_grpcomm_base_module_t orte_grpcomm_cnos_module = {
     init,
     finalize,
@@ -71,6 +84,8 @@ orte_grpcomm_base_module_t orte_grpcomm_cnos_module = {
     allgather,
     allgather_list,
     orte_grpcomm_cnos_barrier,
+    daemon_collective,
+    update_trees,
     next_recips,
     set_proc_attr,
     get_proc_attr,
@@ -110,7 +125,7 @@ static int xcast(orte_jobid_t job,
 }
 
 static int
-orte_grpcomm_cnos_barrier(orte_jobid_t jobid)
+orte_grpcomm_cnos_barrier(void)
 {
 #if OMPI_GRPCOMM_CNOS_HAVE_BARRIER
     cnos_barrier();
@@ -119,7 +134,7 @@ orte_grpcomm_cnos_barrier(orte_jobid_t jobid)
     return ORTE_SUCCESS;
 }
 
-static int allgather(orte_jobid_t jobid, opal_buffer_t *sbuf, opal_buffer_t *rbuf)
+static int allgather(opal_buffer_t *sbuf, opal_buffer_t *rbuf)
 {
     int rc;
     orte_std_cntr_t zero=0;
@@ -145,10 +160,27 @@ static int allgather_list(opal_list_t *names, opal_buffer_t *sbuf, opal_buffer_t
     return rc;
 }
 
-static int next_recips(opal_list_t *names, orte_grpcomm_mode_t mode)
+static int purge_proc_attrs(void);
+
+static int daemon_collective(orte_jobid_t jobid,
+                             orte_std_cntr_t num_local_contributors,
+                             orte_grpcomm_coll_t type,
+                             opal_buffer_t *data,
+                             orte_rmaps_dp_t flag,
+                             opal_value_array_t *participants)
+{
+    return ORTE_SUCCESS;
+}
+
+static int update_trees(void)
+{
+    return ORTE_SUCCESS;
+}
+
+static opal_list_t* next_recips(orte_grpcomm_mode_t mode)
 {
     /* nothing to do here */
-    return ORTE_SUCCESS;
+    return NULL;
 }
 
 static int set_proc_attr(const char *attr_name,