diff --git a/developer_manual/digging_deeper/performance.rst b/developer_manual/digging_deeper/performance.rst
index 3530fdf67..e3e6907cd 100644
--- a/developer_manual/digging_deeper/performance.rst
+++ b/developer_manual/digging_deeper/performance.rst
@@ -57,7 +57,7 @@ If you increase the long_query_time to 100 and add log-queries-not-using-indexes
 Measuring performance
 ^^^^^^^^^^^^^^^^^^^^^
 
-If you do bigger changes in the architecture or the database structure you should always double check the positive or negative performance impact. There are a `few nice small scripts <https://github.com/owncloud/administration/tree/master/performance-tests>`_ that can be used for this.
+If you do bigger changes in the architecture or the database structure you should always double check the positive or negative performance impact.
 
 The recommendation is to automatically do 10000 PROPFINDs or file uploads, measure the time and compare the time before and after the change.