diff --git a/tests/phpunit/tests/comment/query.php b/tests/phpunit/tests/comment/query.php
index ad025ee100b5e..ec5ff219f482f 100644
--- a/tests/phpunit/tests/comment/query.php
+++ b/tests/phpunit/tests/comment/query.php
@@ -3268,9 +3268,6 @@ public function test_post_type_single_value() {
 		);
 
 		$this->assertSameSets( $c2, $found );
-
-		_unregister_post_type( 'post-type-1' );
-		_unregister_post_type( 'post-type-2' );
 	}
 
 	/**
@@ -3297,9 +3294,6 @@ public function test_post_type_singleton_array() {
 		);
 
 		$this->assertSameSets( $c2, $found );
-
-		_unregister_post_type( 'post-type-1' );
-		_unregister_post_type( 'post-type-2' );
 	}
 
 	/**