diff --git a/dumux/decoupled/2p2c/fvtransport2p2c.hh b/dumux/decoupled/2p2c/fvtransport2p2c.hh
index 17ef95f1ac47ab3fccfe8dd386d5ac1479a7c9bc..ef96e96746c07da2731d243c9c5c0aa467bf4ba0 100644
--- a/dumux/decoupled/2p2c/fvtransport2p2c.hh
+++ b/dumux/decoupled/2p2c/fvtransport2p2c.hh
@@ -111,16 +111,6 @@ public:
     template<class MultiWriter>
     void addOutputVtkFields(MultiWriter &writer)
     {
-#if DUNE_MINIMAL_DEBUG_LEVEL <= 3
-        // add debug stuff
-        Dune::BlockVector<Dune::FieldVector<double,1> > *potentialDifferenceW = writer.template createField<double, 1> (problem_.variables().gridSize());
-        *potentialDifferenceW = potential_[wPhaseIdx];
-        writer.addCellData(potentialDifferenceW, "potentialDifferenceW pre/post pressure");
-        Dune::BlockVector<Dune::FieldVector<double,1> > *potentialDifferenceNW = writer.template createField<double, 1> (problem_.variables().gridSize());
-        *potentialDifferenceNW = potential_[nPhaseIdx];
-        writer.addCellData(potentialDifferenceNW, "potentialDifferenceNW pre/post pressure");
-#endif
-
         return;
     }
 
@@ -154,10 +144,6 @@ public:
         {
             DUNE_THROW(Dune::NotImplemented, "Velocity type not supported!");
         }
-
-        potential_.resize(2);
-            potential_[0].resize(problem_.variables().gridSize());
-            potential_[1].resize(problem_.variables().gridSize());
     }
 
     ~FVTransport2P2C()
@@ -167,8 +153,6 @@ public:
 private:
     Problem& problem_;
 
-    TransportSolutionType potential_;
-
     static const int pressureType = GET_PROP_VALUE(TypeTag, PTAG(PressureFormulation)); //!< gives kind of pressure used (\f$ 0 = p_w \f$, \f$ 1 = p_n \f$, \f$ 2 = p_{global} \f$)
     bool switchNormals;
 };
diff --git a/dumux/decoupled/2p2c/variableclass2p2c.hh b/dumux/decoupled/2p2c/variableclass2p2c.hh
index 98dda3ea15271ab9d8716e2347abe28434c35562..ee2f0894de48495a7179e164a60edf550f0033fc 100644
--- a/dumux/decoupled/2p2c/variableclass2p2c.hh
+++ b/dumux/decoupled/2p2c/variableclass2p2c.hh
@@ -329,31 +329,6 @@ public:
         return saturation_[Idx][0];
     }
 
-    //! Return vector of wetting phase potential gradients
-    /*! \param Idx1 Element index
-     *  \param isIdx Intersection index */
-    Scalar& potentialWetting(int Idx1, int isIdx)
-    {
-        return this->potential(Idx1, isIdx)[wPhaseIdx];
-    }
-    //! \copydoc Dumux::VariableClass2P2C::potentialWetting()
-    const Scalar& potentialWetting(int Idx1, int isIdx) const
-    {
-        return this->potential(Idx1, isIdx)[wPhaseIdx];
-    }
-    //! Return vector of nonwetting phase potential gradients
-    /*! \param Idx1 Element index
-     *  \param isIdx Intersection index */
-    Scalar& potentialNonwetting(int Idx1, int isIdx)
-    {
-        return this->potential(Idx1, isIdx)[nPhaseIdx];
-    }
-    //! \copydoc Dumux::VariableClass2P2C::potentialNonwetting()
-    const Scalar& potentialNonwetting(int Idx1, int isIdx) const
-    {
-        return this->potential(Idx1, isIdx)[nPhaseIdx];
-    }
-
     //! Return vector of wetting phase mobilities
     /*! \param Idx Element index*/
     Scalar& mobilityWetting(int Idx)