diff --git a/src/mpi/proc/proc.h b/src/mpi/proc/proc.h
index 266316f8b0..6708f28e1a 100644
--- a/src/mpi/proc/proc.h
+++ b/src/mpi/proc/proc.h
@@ -14,7 +14,6 @@ extern lam_list_t lam_procs;
 
 struct lam_proc_t {
     lam_list_item_t        super;       /* allow proc to be placed on a list */
-    pid_t                  proc_id; 
     int                    proc_gid;    /* globally unique identifier? */
     struct mca_pml_proc_t* proc_pml;    /* PML specific proc data */