--- a/plugins/mod_presence.lua	Fri Mar 09 19:23:19 2018 +0100
+++ b/plugins/mod_presence.lua	Fri Mar 09 19:26:35 2018 +0100
@@ -10,7 +10,6 @@
 
 local require = require;
 local pairs = pairs;
-local t_concat = table.concat;
 local s_find = string.find;
 local tonumber = tonumber;