diff --git a/tree_like.py b/tree_like.py
index 293f86b..9bf4ee5 100644
--- a/tree_like.py
+++ b/tree_like.py
@@ -205,23 +205,6 @@ def calcActualHeight(root):
         h += nd.edgelen
     return h
 
-def getPostorder(nd, start = True): # how to travel across tree
-    global _postorder
-    if start:
-        _postorder = [] # start with an empty list
-
-
-    if nd.lchild:
-        getPostorder(nd.lchild, False) # recursive function to 
-    _postorder.append(nd)
-
-    if nd.rsib:
-        getPostorder(nd.rsib, False)
-
-
-
-    return _postorder
-
 
 def readnewick(tree):
     total_length = len(tree)