diff --git a/massif/ms_main.c b/massif/ms_main.c
index 8eca14d..350d344 100644
--- a/massif/ms_main.c
+++ b/massif/ms_main.c
@@ -1058,7 +1058,7 @@
          VGP_POPCC(VgpCensusTreeSize);
          census->xtree_snapshots[i] =
             VG_(calloc)(xtree_size+1, sizeof(XPtSnapshot));
-         if (VG_(clo_verbosity) > 1)
+         if (0 && VG_(clo_verbosity) > 1)
             VG_(printf)("calloc: %d (%d B)\n", xtree_size+1,
                         (xtree_size+1) * sizeof(XPtSnapshot));