diff --git a/tests/phpunit/tests/post/query.php b/tests/phpunit/tests/post/query.php
index d5d16a4e6f..723d0613fa 100644
--- a/tests/phpunit/tests/post/query.php
+++ b/tests/phpunit/tests/post/query.php
@@ -2629,45 +2629,6 @@ class Tests_Post_Query extends WP_UnitTestCase {
 		$this->assertEquals( array( $image_id ), $posts );
 	}
 
-	/**
-	 * @ticket 27193
-	 * @group taxonomy
-	 */
-	function test_cat_or_tag() {
-		$category1 = $this->factory->term->create( array( 'taxonomy' => 'category', 'name' => 'alpha' ) );
-		$category2 = $this->factory->term->create( array( 'taxonomy' => 'category', 'name' => 'beta' ) );
-
-		$tag1 = $this->factory->term->create( array( 'taxonomy' => 'post_tag', 'name' => 'gamma' ) );
-		$tag2 = $this->factory->term->create( array( 'taxonomy' => 'post_tag', 'name' => 'delta' ) );
-
-		$post_id1 = $this->factory->post->create( array( 'post_title' => 'alpha', 'post_category' => array( $category1 ) ) );
-		$terms1 = get_the_category( $post_id1 );
-		$this->assertEquals( array( get_category( $category1 ) ), $terms1 );
-
-		$post_id2 = $this->factory->post->create( array( 'post_title' => 'beta', 'post_category' => array( $category2 ) ) );
-		$terms2 = get_the_category( $post_id2 );
-		$this->assertEquals( array( get_category( $category2 ) ), $terms2 );
-
-		$post_id3 = $this->factory->post->create( array( 'post_title' => 'gamma', 'post_tag' => array( $tag1 ) ) );
-		$post_id4 = $this->factory->post->create( array( 'post_title' => 'delta', 'post_tag' => array( $tag2 ) ) );
-
-		$query = new WP_Query( array(
-			'fields' => 'ids',
-			'update_post_meta_cache' => false,
-			'update_post_term_cache' => false,
-			'tax_query' => array(
-				//'relation' => 'OR',
-				array(
-					'taxonomy' => 'category',
-					'field' => 'term_id',
-					'terms' => array( $category1, $category2 )
-				)
-			)
-		) );
-		$ids = $query->get_posts();
-		$this->assertEqualSets( array( $post_id1, $post_id2 ), $ids );
-	}
-
 	/**
 	 * @group taxonomy
 	 */