diff --git a/src/DocBlock/StandardTagFactory.php b/src/DocBlock/StandardTagFactory.php
index 1ddba53..1d9e5fe 100644
--- a/src/DocBlock/StandardTagFactory.php
+++ b/src/DocBlock/StandardTagFactory.php
@@ -154,7 +154,6 @@ final class StandardTagFactory implements TagFactory
 
         $tagFactory->addService($descriptionFactory);
         $tagFactory->addService($typeResolver);
-        $tagFactory->registerTagHandler('mixin', $phpstanTagFactory);
         $tagFactory->registerTagHandler('param', $phpstanTagFactory);
         $tagFactory->registerTagHandler('var', $phpstanTagFactory);
         $tagFactory->registerTagHandler('return', $phpstanTagFactory);