diff --git a/library/think/model/Collection.php b/library/think/model/Collection.php
index 37d58ae1..0406533c 100644
--- a/library/think/model/Collection.php
+++ b/library/think/model/Collection.php
@@ -16,20 +16,6 @@ use think\Model;
 
 class Collection extends BaseCollection
 {
-    /**
-     * 返回数组中指定的一列
-     * @param string        $column_key
-     * @param string|null   $index_key
-     * @return array
-     */
-    public function column($column_key, $index_key = null)
-    {
-        if (function_exists('array_column')) {
-            return array_column($this->toArray(), $column_key, $index_key);
-        }
-        return parent::column($column_key, $index_key);
-    }
-
     /**
      * 延迟预载入关联查询
      * @access public