diff --git a/opm/autodiff/BlackoilModelBase.hpp b/opm/autodiff/BlackoilModelBase.hpp
index d9ad56b07..8856b018b 100644
--- a/opm/autodiff/BlackoilModelBase.hpp
+++ b/opm/autodiff/BlackoilModelBase.hpp
@@ -268,10 +268,6 @@ namespace Opm {
         // return wells object
         const Wells& wells () const { assert( bool(wells_ != 0) ); return *wells_; }
 
-        SolutionState
-        constantState(const ReservoirState& x,
-                      const WellState& xw) const;
-
         void
         makeConstantState(SolutionState& state) const;
 
diff --git a/opm/autodiff/BlackoilModelBase_impl.hpp b/opm/autodiff/BlackoilModelBase_impl.hpp
index 33d6552ce..a5f6a590b 100644
--- a/opm/autodiff/BlackoilModelBase_impl.hpp
+++ b/opm/autodiff/BlackoilModelBase_impl.hpp
@@ -328,20 +328,6 @@ namespace detail {
 
 
 
-    template <class Grid, class Implementation>
-    typename BlackoilModelBase<Grid, Implementation>::SolutionState
-    BlackoilModelBase<Grid, Implementation>::constantState(const ReservoirState& x,
-                                                  const WellState&     xw) const
-    {
-        auto state = variableState(x, xw);
-        makeConstantState(state);
-        return state;
-    }
-
-
-
-
-
     template <class Grid, class Implementation>
     void
     BlackoilModelBase<Grid, Implementation>::makeConstantState(SolutionState& state) const