diff --git a/framework/db/ActiveQuery.php b/framework/db/ActiveQuery.php
index 49f0e39b0e..21c2bb16cb 100644
--- a/framework/db/ActiveQuery.php
+++ b/framework/db/ActiveQuery.php
@@ -641,7 +641,6 @@ class ActiveQuery extends Query implements ActiveQueryInterface
         if (!empty($child->join)) {
             foreach ($child->join as $join) {
                 $this->join[] = $join;
-                $this->populateAliases((array) $join[1]);
             }
         }
         if (!empty($child->union)) {
diff --git a/framework/db/Query.php b/framework/db/Query.php
index 1d632e0578..b57832806a 100644
--- a/framework/db/Query.php
+++ b/framework/db/Query.php
@@ -851,7 +851,7 @@ class Query extends Component implements QueryInterface
      */
     public static function create($from)
     {
-        $query = new self([
+        return new self([
             'where' => $from->where,
             'limit' => $from->limit,
             'offset' => $from->offset,
@@ -867,7 +867,5 @@ class Query extends Component implements QueryInterface
             'union' => $from->union,
             'params' => $from->params,
         ]);
-        $query->_aliases = $from->_aliases;
-        return $query;
     }
 }
diff --git a/tests/data/ar/Order.php b/tests/data/ar/Order.php
index 0649483255..17dfb5d6db 100644
--- a/tests/data/ar/Order.php
+++ b/tests/data/ar/Order.php
@@ -115,12 +115,12 @@ class Order extends ActiveRecord
             ->viaTable('order_item', ['order_id' => 'id']);
     }
 
-    public function getBooksQuerysyntax()
-    {
-        return $this->hasMany(Item::className(), ['id' => 'item_id'])
-            ->onCondition(['{{@item}}.category_id' => 1])
-            ->viaTable('order_item', ['order_id' => 'id']);
-    }
+//    public function getBooksQuerysyntax()
+//    {
+//        return $this->hasMany(Item::className(), ['id' => 'item_id'])
+//            ->onCondition(['{{@item}}.category_id' => 1])
+//            ->viaTable('order_item', ['order_id' => 'id']);
+//    }
 
     public function getBooksExplicitA()
     {
@@ -129,12 +129,12 @@ class Order extends ActiveRecord
             ->viaTable('order_item', ['order_id' => 'id']);
     }
 
-    public function getBooksQuerysyntaxA()
-    {
-        return $this->hasMany(Item::className(), ['id' => 'item_id'])->alias('bo')
-            ->onCondition(['{{@item}}.category_id' => 1])
-            ->viaTable('order_item', ['order_id' => 'id']);
-    }
+//    public function getBooksQuerysyntaxA()
+//    {
+//        return $this->hasMany(Item::className(), ['id' => 'item_id'])->alias('bo')
+//            ->onCondition(['{{@item}}.category_id' => 1])
+//            ->viaTable('order_item', ['order_id' => 'id']);
+//    }
 
     public function getBookItems()
     {
diff --git a/tests/framework/db/ActiveRecordTest.php b/tests/framework/db/ActiveRecordTest.php
index 3ccca2e50a..c6a226e241 100644
--- a/tests/framework/db/ActiveRecordTest.php
+++ b/tests/framework/db/ActiveRecordTest.php
@@ -555,7 +555,7 @@ class ActiveRecordTest extends DatabaseTestCase
     {
         return [
             ['explicit'], // c
-            ['querysyntax'], // {{@customer}}
+//            ['querysyntax'], // {{@customer}}
 //            ['applyAlias'], // $query->applyAlias('customer', 'id') // _aliases are currently not being populated
             // later getRelationAlias() could be added
         ];
@@ -761,7 +761,7 @@ class ActiveRecordTest extends DatabaseTestCase
         // alias is defined in the relation definition
         // without eager loading
         $query = Order::find()
-            ->joinWith('bookItems', false)// TODO true
+            ->joinWith('bookItems', false)
             ->joinWith('movieItems', false)
             ->where(['movies.name' => 'Toy Story']);
         $orders = $query->all();