diff --git a/src/plugins/mpi/mpichgm/mpichgm.c b/src/plugins/mpi/mpichgm/mpichgm.c
index 3c6cf86391bad2e0cb376a920c204ae33d837beb..9aabe5a9c4b181806bd59c889ad13e68b8cf67b0 100644
--- a/src/plugins/mpi/mpichgm/mpichgm.c
+++ b/src/plugins/mpi/mpichgm/mpichgm.c
@@ -180,7 +180,6 @@ static int _gmpi_establish_map(srun_job_t *job)
 	 */
 	lmap = (char *)xmalloc(128*nprocs);
 	for (i=0; i<nprocs; i++) {
-		int ihostid = step_layout_host_id(job->step_layout, i);
 		/*
 		 * Compose the string to send.
 		 */