diff --git a/.php_cs b/.php_cs
index ba004c7..d8ec033 100644
--- a/.php_cs
+++ b/.php_cs
@@ -29,6 +29,7 @@ return Symfony\CS\Config\Config::create()
         '-phpdoc_params',                        /// All items of the @param, @throws, @return, @var, and @type phpdoc tags must be aligned vertically.
         '-phpdoc_scalar',                        /// Scalar types should always be written in the same form. "int", not "integer"; "bool", not "boolean".
         '-phpdoc_separation',                    /// Annotations of a different type are separated by a single blank line.
+        '-phpdoc_to_comment',                    /// Docblocks should only be used on structural elements
         'header_comment',                        /// Add, replace or remove header comment.
         'concat_with_spaces',                    /// Concatenation should be used with at least one whitespace around.
         'ereg_to_preg',                          /// Replace deprecated ereg regular expression functions with preg. Warning! This could change code behavior.
diff --git a/src/ActiveQuery.php b/src/ActiveQuery.php
index 9ac374c..2315df6 100644
--- a/src/ActiveQuery.php
+++ b/src/ActiveQuery.php
@@ -11,7 +11,6 @@
 
 namespace hiqdev\hiart;
 
-use Yii;
 use yii\base\NotSupportedException;
 use yii\db\ActiveQueryInterface;
 use yii\db\ActiveQueryTrait;
diff --git a/src/Collection.php b/src/Collection.php
index d382ae8..6638b90 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -24,7 +24,7 @@
 /**
  * Class Collection manages the collection of the models.
  *
- * @var ActiveRecord[] $models the array of models in the collection
+ * @var ActiveRecord[] the array of models in the collection
  */
 class Collection extends Component
 {