diff --git a/tests/phpunit/includes/testcase.php b/tests/phpunit/includes/testcase.php
index 84e7390a6d..a468deb9d8 100644
--- a/tests/phpunit/includes/testcase.php
+++ b/tests/phpunit/includes/testcase.php
@@ -537,7 +537,6 @@ class WP_UnitTestCase extends PHPUnit_Framework_TestCase {
 			'is_author',
 			'is_category',
 			'is_comment_feed',
-			'is_comments_popup',
 			'is_date',
 			'is_day',
 			'is_embed',
diff --git a/tests/phpunit/tests/theme.php b/tests/phpunit/tests/theme.php
index d196f4fe23..aeb6e3d469 100644
--- a/tests/phpunit/tests/theme.php
+++ b/tests/phpunit/tests/theme.php
@@ -272,12 +272,6 @@ class Tests_Theme extends WP_UnitTestCase {
 				$this->assertEquals(get_single_template(), get_query_template('single'));
 				$this->assertEquals(get_attachment_template(), get_query_template('attachment'));
 
-				// this one doesn't behave like the others
-				if (get_query_template('comments-popup'))
-					$this->assertEquals(get_comments_popup_template(), get_query_template('comments-popup'));
-				else
-					$this->assertEquals(get_comments_popup_template(), ABSPATH.'wp-includes/theme-compat/comments-popup.php');
-
 				$this->assertEquals(get_tag_template(), get_query_template('tag'));
 
 				// nb: this probably doesn't run because WP_INSTALLING is defined