diff --git a/tests/start.py b/tests/start.py
index 7fb3e211be10574204190c5ab787e1791797bace..6cd66c057f05368e7ad3ff42ddc5bd4dc500fd5d 100644
--- a/tests/start.py
+++ b/tests/start.py
@@ -195,7 +195,7 @@ configurations = []
 configurations.append(LibcommuniServerModeSingleServerConf())
 configurations.append(LibcommuniServerModeConf())
 configurations.append(JabberServerModeConf())
-configurations.append(JabberSlackServerModeConf())
+#configurations.append(JabberSlackServerModeConf())
 configurations.append(TwitterServerModeConf())
 
 exitcode = 0