diff --git a/python/python/opm/io/parser/sunbeam.py b/python/python/opm/io/parser/sunbeam.py
deleted file mode 100644
index 5d746cc3f..000000000
--- a/python/python/opm/io/parser/sunbeam.py
+++ /dev/null
@@ -1,44 +0,0 @@
-from __future__ import absolute_import
-
-
-class _delegate(object):
-    def __init__(self, name, attr):
-        self._name = name
-        self._attr = attr
-
-    def __get__(self, instance, _):
-        if instance is None: return self
-        return getattr(self.delegate(instance), self._attr)
-
-    def __set__(self, instance, value):
-        setattr(self.delegate(instance), self._attr, value)
-
-    def delegate(self, instance):
-        return getattr(instance, self._name)
-
-    def __repr__(self):
-        return '_delegate(' + repr(self._name) + ", " + repr(self._attr) + ")"
-
-def delegate(delegate_cls, to = '_sun'):
-    attributes = set(delegate_cls.__dict__.keys())
-
-    def inner(cls):
-        class _property(object):
-            pass
-
-        setattr(cls, to, _property())
-        for attr in attributes - set(list(cls.__dict__.keys()) + ['__init__']):
-            setattr(cls, attr, _delegate(to, attr))
-            src, dst = getattr(delegate_cls, attr), getattr(cls, attr)
-            setattr(dst, '__doc__', src.__doc__)
-
-        def new__new__(_cls, this, *args, **kwargs):
-            new = super(cls, _cls).__new__(_cls)
-            setattr(new, to, this)  # self._sun = this
-            return new
-
-        cls.__new__ = staticmethod(new__new__)
-
-        return cls
-
-    return inner