diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 78b4b798b..bfe1dc9d5 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -44,10 +44,6 @@ To achieve this, you need to acquire the Composer source code:
 You can run the test suite by executing `vendor/bin/simple-phpunit` when inside the
 composer directory, and run Composer by executing the `bin/composer`.
 
-For running the tests against the most recent PHP versions (PHP 8.0/8.1), you will
-need to run `composer update --ignore-platform-reqs && git checkout composer.lock`  before running 
-the `vendor/bin/simple-phpunit` command.
-
 To test your modified Composer code against another project, run
 `php /path/to/composer/bin/composer` inside that project's directory.