diff --git a/.travis.yml b/.travis.yml
index b710e17c773..1521035578b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -288,7 +288,7 @@ script:
   # Ensure we catch errors
   set -e
   #parallel-lint --exclude htdocs/includes --blame .
-  parallel-lint --exclude htdocs/includes/sabre --exclude htdocs/includes/phpoffice/phpexcel/Classes/PHPExcel/Shared --exclude htdocs/includes/phpoffice/PhpSpreadsheet --exclude htdocs/includes/sebastian --exclude htdocs/includes/squizlabs/php_codesniffer/tests --exclude htdocs/includes/jakub-onderka/php-parallel-lint/tests --exclude htdocs/includes/mike42/escpos-php/example --exclude htdocs/includes/phpunit/php-token-stream/tests --exclude htdocs/includes/composer/autoload_static.php --blame .
+  parallel-lint --exclude dev/namespacemig --exclude htdocs/includes/sabre --exclude htdocs/includes/phpoffice/phpexcel/Classes/PHPExcel/Shared --exclude htdocs/includes/phpoffice/PhpSpreadsheet --exclude htdocs/includes/sebastian --exclude htdocs/includes/squizlabs/php_codesniffer/tests --exclude htdocs/includes/jakub-onderka/php-parallel-lint/tests --exclude htdocs/includes/mike42/escpos-php/example --exclude htdocs/includes/phpunit/php-token-stream/tests --exclude htdocs/includes/composer/autoload_static.php --blame .
   set +e
   echo
 
diff --git a/dev/setup/codesniffer/ruleset.xml b/dev/setup/codesniffer/ruleset.xml
index 89ea98a051b..c4f68812547 100644
--- a/dev/setup/codesniffer/ruleset.xml
+++ b/dev/setup/codesniffer/ruleset.xml
@@ -5,6 +5,7 @@
 
 	<exclude-pattern type="relative">build/html</exclude-pattern>
 	<exclude-pattern type="relative">build/aps</exclude-pattern>
+	<exclude-pattern type="relative">dev/namespacemig</exclude-pattern>
 	<exclude-pattern type="relative">documents</exclude-pattern>
 	<exclude-pattern type="relative">htdocs/core/class/lessc.class.php</exclude-pattern>
 	<exclude-pattern type="relative">htdocs/custom</exclude-pattern>