diff --git a/src/emqttd_vm.erl b/src/emqttd_vm.erl
index ab2daa01d..eda247247 100644
--- a/src/emqttd_vm.erl
+++ b/src/emqttd_vm.erl
@@ -80,7 +80,7 @@
                        priority,
                        trap_exit,
                        reductions,
-                       binary,
+                       %%binary,
                        last_calls,
                        catchlevel,
                        trace,