diff --git a/nodes/rx300.py b/nodes/rx300.py
index 1ba5d3e..faa162c 100644
--- a/nodes/rx300.py
+++ b/nodes/rx300.py
@@ -471,10 +471,6 @@ nodes['rx300'] = {
                 '217.197.80.134',
                 '2001:bf0:c000:a::2:134',
 
-                # RaumZeitLabor
-                '5.9.77.39',
-                '2a01:4f8:161:9025:4::/64',
-
                 # c3voc
                 '185.106.84.32/26',
                 '2001:67c:20a0:e::/64',