diff --git a/tests/phpunit/tests/feed/getTheContentFeed.php b/tests/phpunit/tests/feed/getTheContentFeed.php
index e3b671424a637..306982603ddf1 100644
--- a/tests/phpunit/tests/feed/getTheContentFeed.php
+++ b/tests/phpunit/tests/feed/getTheContentFeed.php
@@ -47,10 +47,6 @@ public function test_returns_filtered_content_for_default_feed_type() {
 		$this->assertSame( "<p>Hello feed content</p>\n", get_the_content_feed() );
 		$this->assertSame( 1, $filter->get_call_count() );
 		$this->assertSame( 'rss2', $filter->get_args()[0][1] );
-
-		$this->assertSame( "<p>Hello feed content</p>\n", get_the_content_feed( null ) );
-		$this->assertSame( 2, $filter->get_call_count() );
-		$this->assertSame( 'rss2', $filter->get_args()[1][1] );
 	}
 
 	/**