diff --git a/src/Mixins/Expectation.php b/src/Mixins/Expectation.php
index ed589a33..306d9d3d 100644
--- a/src/Mixins/Expectation.php
+++ b/src/Mixins/Expectation.php
@@ -30,8 +30,6 @@ final class Expectation
 {
     /**
      * The exporter instance, if any.
-     *
-     * @readonly
      */
     private Exporter|null $exporter = null;