message: Remove unused member in Kelly.
diff: @@ -477,7 +477,6 @@ private:
  ParFiniteElementSpace*
  flux_space; /**< @brief Ownership based on own_flux_fes. */
  - bool with_coeff;
  bool own_flux_fespace; ///< Ownership flag for flux_space.
  /// Check if the mesh of the solution was modified.
  