diff --git a/rebar.config b/rebar.config
index 56f567093..58613a544 100644
--- a/rebar.config
+++ b/rebar.config
@@ -165,11 +165,8 @@
                        {if_var_true, zlib, {"ezlib", []}},
                        {if_var_true, iconv, {"iconv", []}}]}.
 
-{port_env, [{"CFLAGS", "-g -O2 -Wall"}]}.
-
 {overrides, [{override, samerlib, [{erl_opts, []}]}]}.
 
-{port_specs, [{"priv/lib/jid.so", ["c_src/jid.c"]}]}.
 %% Local Variables:
 %% mode: erlang
 %% End: