diff --git a/src/hocon_schema.erl b/src/hocon_schema.erl
index a7b7a77..a7351b2 100644
--- a/src/hocon_schema.erl
+++ b/src/hocon_schema.erl
@@ -604,7 +604,6 @@ collect_envs(Ns) ->
 
 read_hocon_val("") -> "";
 read_hocon_val(Value) ->
-    io:format(standard_error, "read_hocon_val: ~p~n", [Value]),
     case hocon:binary(Value, #{}) of
         {ok, HoconVal} -> HoconVal;
         {error, _} -> read_informal_hocon_val(Value)