diff --git a/kadmos/graph/__init__.py b/kadmos/graph/__init__.py
index 645291477371431cdcd556f8ee047b07caea258f..2b1d9baf64d7fef37477ea7e212abf6263e1127c 100644
--- a/kadmos/graph/__init__.py
+++ b/kadmos/graph/__init__.py
@@ -1,4 +1,4 @@
 from graph_kadmos import KadmosGraph
 from graph_kadmos import load
 from graph_data import RepositoryConnectivityGraph, FundamentalProblemGraph, MdaoDataGraph
-from graph_process import MdaoProcessGraph, RceGraph
+from graph_process import MdaoProcessGraph
diff --git a/kadmos/graph/mixin_vispack.py b/kadmos/graph/mixin_vispack.py
index 8aca81008d54515a473d3d9750e03779cca5042f..806b8013bd6e4f06563d91b74b03a320537d9c06 100644
--- a/kadmos/graph/mixin_vispack.py
+++ b/kadmos/graph/mixin_vispack.py
@@ -158,12 +158,11 @@ class VistomsMixin(object):
         """Function to check the inputs for the VISTOMS instance functions."""
 
         from graph_kadmos import KadmosGraph
-        from graph_process import MdaoProcessGraph, RceGraph
+        from graph_process import MdaoProcessGraph
         assert isinstance(self, KadmosGraph)
         if mpg:
             assert isinstance(mpg, MdaoProcessGraph)
         assert not isinstance(self, MdaoProcessGraph)
-        assert not isinstance(self, RceGraph)
         assert isinstance(function_order, list) or function_order is None
         assert isinstance(vistoms_version, basestring) or vistoms_version is None
         if reference_file is not None: