diff --git a/nifty_gridder.cc b/nifty_gridder.cc
index d3ce751dcdadc7850af0b9d142b4b5be0d3c7e66..51910146a24337b6d50aa6021a002c22120c88fd 100644
--- a/nifty_gridder.cc
+++ b/nifty_gridder.cc
@@ -312,17 +312,8 @@ template<typename T> class PyGridderConfig: public GridderConfig<T>
   protected:
     using GridderConfig<T>::nx_dirty;
     using GridderConfig<T>::ny_dirty;
-    using GridderConfig<T>::eps;
-    using GridderConfig<T>::psx;
-    using GridderConfig<T>::psy;
-    using GridderConfig<T>::supp;
-    using GridderConfig<T>::nsafe;
     using GridderConfig<T>::nu;
     using GridderConfig<T>::nv;
-    using GridderConfig<T>::beta;
-    using GridderConfig<T>::cfu;
-    using GridderConfig<T>::cfv;
-    using GridderConfig<T>::wscreen;
 
   public:
     using GridderConfig<T>::GridderConfig;
@@ -338,7 +329,6 @@ template<typename T> class PyGridderConfig: public GridderConfig<T>
     using GridderConfig<T>::Nv;
     using GridderConfig<T>::Supp;
     using GridderConfig<T>::Nsafe;
-    using GridderConfig<T>::Beta;
 
     pyarr<T> apply_taper(const pyarr<T> &img, bool divide) const
       {