diff --git a/module/doc/model.php b/module/doc/model.php
index 0345287ff4..8271ac6020 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -1838,28 +1838,6 @@ class docModel extends model
         return $node;
     }
 
-    /**
-     * Get project-related document library IDs.
-     *
-     * @param  int    $projectID
-     * @access public
-     * @return array
-     */
-    public function getLibIdListByProject($projectID = 0)
-    {
-        $products   = $this->loadModel('product')->getProductIDByProject($projectID, false);
-        $executions = $this->loadModel('execution')->getPairs($projectID, 'all', 'noclosed,leaf');
-
-        $executionLibs = array();
-        $productLibs   = array();
-        if($executions) $executionLibs = $this->dao->select('id')->from(TABLE_DOCLIB)->where('execution')->in(array_keys($executions))->fetchPairs();
-        if($products) $productLibs = $this->dao->select('id')->from(TABLE_DOCLIB)->where('product')->in($products)->fetchPairs();
-        $customLibs = $this->dao->select('id')->from(TABLE_DOCLIB)->where('type')->eq('custom')->fetchPairs();
-
-        $libIdList = array_merge($customLibs, $executionLibs, $productLibs);
-        return $libIdList;
-    }
-
     /**
      * Get statistic information.
      *
diff --git a/module/doc/test/model/getlibidlistbyproject.php b/module/doc/test/model/getlibidlistbyproject.php
deleted file mode 100755
index eadbaddeac..0000000000
--- a/module/doc/test/model/getlibidlistbyproject.php
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env php
-<?php
-include dirname(__FILE__, 5) . '/test/lib/init.php';
-include dirname(__FILE__, 2) . '/doc.class.php';
-su('admin');
-
-/**
-
-title=测试 docModel->getLibIdListByProject();
-cid=1
-pid=1
-
-测试未开始项目相关的库id >> 822;823
-测试进行中项目相关的库id >> 827;828
-测试已暂停项目相关的库id >> 87;97
-测试已关闭项目相关的库id >> 88;98
-
-*/
-
-$doc = new docTest();
-$t_numProjectID = array('11', '12', '17', '18');
-
-r($doc->getLibIdListByProjectTest($t_numProjectID[0])) && p('1;2')   && e('822;823'); //测试未开始项目相关的库id
-r($doc->getLibIdListByProjectTest($t_numProjectID[1])) && p('6;7')   && e('827;828'); //测试进行中项目相关的库id
-r($doc->getLibIdListByProjectTest($t_numProjectID[2])) && p('88;89') && e('87;97'); //测试已暂停项目相关的库id
-r($doc->getLibIdListByProjectTest($t_numProjectID[3])) && p('88;89') && e('88;98'); //测试已关闭项目相关的库id
\ No newline at end of file