diff --git a/src/wp-includes/class-walker-category.php b/src/wp-includes/class-walker-category.php
index c01b19beb0..341c98c142 100644
--- a/src/wp-includes/class-walker-category.php
+++ b/src/wp-includes/class-walker-category.php
@@ -99,7 +99,7 @@ class Walker_Category extends Walker {
 		);
 
 		// Don't generate an element if the category name is empty.
-		if ( '' === $cat_name ) {
+		if ( ! $cat_name ) {
 			return;
 		}
 
diff --git a/tests/phpunit/tests/category/wpListCategories.php b/tests/phpunit/tests/category/wpListCategories.php
index 397b622c86..571dc04975 100644
--- a/tests/phpunit/tests/category/wpListCategories.php
+++ b/tests/phpunit/tests/category/wpListCategories.php
@@ -87,35 +87,6 @@ class Tests_Category_WpListCategories extends WP_UnitTestCase {
 		$this->assertNotContains( 'Test Cat 1', $found );
 	}
 
-	public function list_cats_callback( $cat ) {
-		if ( 'Test Cat 1' === $cat ) {
-			return '';
-		}
-
-		return $cat;
-	}
-
-	/**
-	 * @ticket 44872
-	 */
-	public function test_should_create_element_when_cat_name_is_zero() {
-		$c = self::factory()->category->create(
-			array(
-				'name' => '0',
-			)
-		);
-
-		$found = wp_list_categories(
-			array(
-				'hide_empty' => false,
-				'echo'       => false,
-			)
-		);
-
-		$this->assertContains( "cat-item-$c", $found );
-		$this->assertContains( '0', $found );
-	}
-
 	public function test_show_option_all_link_should_go_to_home_page_when_show_on_front_is_false() {
 		$cats = self::factory()->category->create_many( 2 );
 
@@ -236,6 +207,14 @@ class Tests_Category_WpListCategories extends WP_UnitTestCase {
 		$this->assertContains( "<li class='cat-item-all'><a href='" . $url . "'>All</a></li>", $found );
 	}
 
+	public function list_cats_callback( $cat ) {
+		if ( 'Test Cat 1' === $cat ) {
+			return '';
+		}
+
+		return $cat;
+	}
+
 	/**
 	 * @ticket 33460
 	 */