diff --git a/sites/example.settings.local.php b/sites/example.settings.local.php
index b1f73dd8a68d62e01e71d9f00c9addd1d680145a..328779f191bb6ae7a941306fa3fe18f47cc24464 100644
--- a/sites/example.settings.local.php
+++ b/sites/example.settings.local.php
@@ -90,7 +90,7 @@
  * During development it can be useful to install test extensions for debugging
  * purposes.
  */
-$settings['extension_discovery_scan_tests'] = TRUE;
+# $settings['extension_discovery_scan_tests'] = TRUE;
 
 /**
  * Enable access to rebuild.php.