diff -ur phpMyAdmin-4.8.1-all-languages.orig/libraries/vendor_config.php phpMyAdmin-4.8.1-all-languages/libraries/vendor_config.php
--- phpMyAdmin-4.8.1-all-languages.orig/libraries/vendor_config.php	2018-05-25 02:45:56.000000000 +0000
+++ phpMyAdmin-4.8.1-all-languages/libraries/vendor_config.php	2018-05-28 11:02:17.740128884 +0000
@@ -66,7 +66,7 @@
 /**
  * Default value for check for version upgrades.
  */
-define('VERSION_CHECK_DEFAULT', true);
+define('VERSION_CHECK_DEFAULT', false);
 
 /**
  * Path to files with compiled locales (*.mo)