Import only what we require

i3status-anyevent

@@ -20,10 +20,10 @@ use warnings;
 use utf8;
 use open qw (:std :utf8);
 use Fcntl qw (:seek);
-use AnyEvent;
-use AnyEvent::I3;
-use JSON::XS;
-use Encode;
+use AnyEvent ();
+use AnyEvent::I3 ();
+use JSON::XS qw (encode_json decode_json);
+use Encode qw (decode);
 use IO::Socket qw (AF_INET SOCK_STREAM SHUT_WR);
 use POSIX qw (setsid);