diff --git a/lslopt/lslcommon.py b/lslopt/lslcommon.py
index 9308aeb..2872af6 100644
--- a/lslopt/lslcommon.py
+++ b/lslopt/lslcommon.py
@@ -120,26 +120,3 @@ LSLTypeDefaults = {'integer':0, 'float':0.0, 'string':u'', 'key':Key(u''),
 def warning(txt):
     assert type(txt) == unicode
     sys.stderr.write(u"WARNING: " + txt + u"\n")
-
-# Debug function
-#def print_node(node, indent = 0):
-#    nt = node['nt']
-#    write = sys.stdout.write
-#    spaces = ' ' * (indent*4+2)
-#    write('%s{ nt:%s\n' % (' '*(indent*4), nt))
-#    if 't' in node:
-#        write('%s,t:%s\n' % (spaces, node['t']))
-#    if 'name' in node:
-#        write('%s,name:%s\n' % (spaces, node['name']))
-#    if 'value' in node:
-#        write('%s,value:%s\n' % (spaces, repr(node['value'])))
-#
-#    for prop in node:
-#        if prop not in ('ch', 'nt', 't', 'name', 'value','X','SEF'):
-#            write('%s,%s:%s\n' % (spaces, prop, repr(node[prop])))
-#    if 'ch' in node:
-#        write(spaces + ',ch:[\n')
-#        for subnode in node['ch']:
-#            print_node(subnode, indent+1)
-#        write(spaces + ']\n')
-#    write(' '*(indent*4) + '}\n\n')