diff --git a/bento.info b/bento.info
index 68aa4319..227e51e8 100644
--- a/bento.info
+++ b/bento.info
@@ -154,9 +154,6 @@ Library:
     Extension: skimage.feature._hessian_det_appx
         Sources:
             skimage/exposure/_hessian_det_appx.pyx
-    Extension: skimage.graph._construct
-        Sources:
-            skimage/exposure/_construct.pyx
 
 Executable: skivi
     Module: skimage.scripts.skivi
diff --git a/skimage/graph/setup.py b/skimage/graph/setup.py
index 45dd205a..463d2739 100644
--- a/skimage/graph/setup.py
+++ b/skimage/graph/setup.py
@@ -25,7 +25,6 @@ def configuration(parent_package='', top_path=None):
     config.add_extension('heap', sources=['heap.c'],
                          include_dirs=[get_numpy_include_dirs()])
 
-
     return config
 
 if __name__ == '__main__':