diff --git a/IPython/nbconvert/filters/datatypefilter.py b/IPython/nbconvert/filters/datatypefilter.py
index 0ea8067..bf56ed3 100755
--- a/IPython/nbconvert/filters/datatypefilter.py
+++ b/IPython/nbconvert/filters/datatypefilter.py
@@ -17,7 +17,7 @@ NbConvertBase.display_data_priority
 # Classes and functions
 #-----------------------------------------------------------------------------
 
-from ..utils.config import NbConvertBase
+from ..utils.base import NbConvertBase
 
 __all__ = ['DataTypeFilter']
 
diff --git a/IPython/nbconvert/nbconvertapp.py b/IPython/nbconvert/nbconvertapp.py
index bf69ffe..c6f1b66 100755
--- a/IPython/nbconvert/nbconvertapp.py
+++ b/IPython/nbconvert/nbconvertapp.py
@@ -31,7 +31,7 @@ from IPython.utils.importstring import import_item
 from .exporters.export import export_by_name, get_export_names, ExporterNameError
 from .exporters.exporter import Exporter
 from .writers.base import WriterBase
-from .utils.config import NbConvertBase
+from .utils.base import NbConvertBase
 
 #-----------------------------------------------------------------------------
 #Classes and functions
diff --git a/IPython/nbconvert/transformers/base.py b/IPython/nbconvert/transformers/base.py
index 0847c6a..1fff970 100755
--- a/IPython/nbconvert/transformers/base.py
+++ b/IPython/nbconvert/transformers/base.py
@@ -16,7 +16,7 @@ It exposes a convenient class to inherit from to access configurability.
 # Imports
 #-----------------------------------------------------------------------------
 
-from ..utils.config import NbConvertBase
+from ..utils.base import NbConvertBase
 from IPython.utils.traitlets import Bool
 
 #-----------------------------------------------------------------------------
diff --git a/IPython/nbconvert/utils/config.py b/IPython/nbconvert/utils/base.py
similarity index 100%
rename from IPython/nbconvert/utils/config.py
rename to IPython/nbconvert/utils/base.py
diff --git a/IPython/nbconvert/writers/base.py b/IPython/nbconvert/writers/base.py
index 7e47f55..17819df 100644
--- a/IPython/nbconvert/writers/base.py
+++ b/IPython/nbconvert/writers/base.py
@@ -16,7 +16,7 @@ Contains writer base class.
 
 from IPython.utils.traitlets import List
 
-from ..utils.config import NbConvertBase
+from ..utils.base import NbConvertBase
 
 #-----------------------------------------------------------------------------
 # Classes