diff --git a/lib/Doctrine/Tree/NestedSet.php b/lib/Doctrine/Tree/NestedSet.php
deleted file mode 100644
index 02f06810c..000000000
--- a/lib/Doctrine/Tree/NestedSet.php
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-/*
- *  $Id$
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software consists of voluntary contributions made by many individuals
- * and is licensed under the LGPL. For more information, see
- * <http://www.phpdoctrine.com>.
- */
-/**
- * Doctrine_Tree_NestedSet
- *
- * the purpose of Doctrine_Tree_NestedSet is to provide NestedSet tree access
- * strategy for all records extending it
- *
- * @package     Doctrine ORM
- * @url         www.phpdoctrine.com
- * @license     LGPL
- */
-class Doctrine_Tree_NestedSet extends Doctrine_Record {
-
-    public function getLeafNodes() { 
-        $query = "SELECT ".implode(", ",$this->table->getColumnNames()).
-                 " FROM ".$this->table->getTableName().
-                 " WHERE rgt = lft + 1";
-    }
-
-    public function getPath() { }
-
-    public function getDepth() { 
-        $query = "SELECT (COUNT(parent.name) - 1) AS depth
-                  FROM ".$this->table->getTableName()." AS node,".
-                  $this->table->getTableName()." AS parent
-                  WHERE node.lft BETWEEN parent.lft AND parent.rgt
-                  GROUP BY node.name";
-    }
-
-    public function removeNode() { }
-    
-    public function addNode() { }
-}
-
diff --git a/lib/Doctrine/Tree/PathModel.php b/lib/Doctrine/Tree/PathModel.php
deleted file mode 100644
index 6e6431cd7..000000000
--- a/lib/Doctrine/Tree/PathModel.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-/*
- *  $Id$
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software consists of voluntary contributions made by many individuals
- * and is licensed under the LGPL. For more information, see
- * <http://www.phpdoctrine.com>.
- */
-/**
- * Doctrine_Tree_PathModel
- *
- * the purpose of Doctrine_Tree_PathModel is to provide PathModel tree access
- * strategy for all records extending it
- *
- * @package     Doctrine ORM
- * @url         www.phpdoctrine.com
- * @license     LGPL
- */
-class Doctrine_Tree_PathModel extends Doctrine_Record {
-
-    public function getLeafNodes() { }
-
-    public function getPath() { }
-
-    public function getDepth() { }
-
-    public function removeNode() { }
-    
-    public function addNode() { }
-
-}
-