diff --git a/dev/tools/phan/config.php b/dev/tools/phan/config.php
index f6e57a83cbb..80be656d1a9 100644
--- a/dev/tools/phan/config.php
+++ b/dev/tools/phan/config.php
@@ -454,7 +454,7 @@ return [
 		// 'PhanPluginNoCommentOnProtectedProperty',
 		// 'PhanPluginDescriptionlessCommentOnPublicMethod',
 		// 'PhanPluginUnknownClosureParamType',
-		'PhanPluginUnknownClosureReturnType',
+		// 'PhanPluginUnknownClosureReturnType',
 		// 'PhanPluginNoCommentOnProtectedMethod',
 		// 'PhanTypeArraySuspicious',
 		// 'PhanTypeMismatchPropertyProbablyReal',
diff --git a/htdocs/variants/class/ProductCombination.class.php b/htdocs/variants/class/ProductCombination.class.php
index 7e183f75362..4e40c36a553 100644
--- a/htdocs/variants/class/ProductCombination.class.php
+++ b/htdocs/variants/class/ProductCombination.class.php
@@ -631,6 +631,7 @@ class ProductCombination
 			$features,
 			/**
 			 * @param mixed $v Feature information of a product.
+			 * @return bool
 			 */
 			static function ($v) {
 				return !empty($v);