diff --git a/appveyor.yml b/appveyor.yml
index 18cb04d2a..024d26047 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -45,4 +45,4 @@ install:
 
 test_script:
     - cd c:\projects\composer
-    - vendor/bin/phpunit -c tests/complete.phpunit.xml --colors=always
+    - vendor/bin/phpunit --colors=always