diff --git a/tests/MixinAnnotationTest.php b/tests/MixinAnnotationTest.php
index 53f9b9dd9b7..3c0c11b26bb 100644
--- a/tests/MixinAnnotationTest.php
+++ b/tests/MixinAnnotationTest.php
@@ -652,21 +652,6 @@ public function __set(string $name, string $value) {}
                     (new A)->foo = "bar";',
                 'error_message' => 'UndefinedMagicPropertyAssignment',
             ],
-            'undefinedMixinClassWithPropertyAssignment_WithMagicMethod_Similar' => [
-                'code' => '<?php
-                    /**
-                     * @property string $baz
-                     * @mixin B
-                     */
-                    class A {
-                        public function __set(string $name, string $value) {}
-                    }
-
-                    /* this is difference */
-                    $a = new A();
-                    $a->foo = "bar";',
-                'error_message' => 'UndefinedMagicPropertyAssignment',
-            ],
             'undefinedMixinClassWithMethodCall' => [
                 'code' => '<?php
                     /** @mixin B */