diff --git a/dumux/material/binarycoefficients/brine_co2.hh b/dumux/material/binarycoefficients/brine_co2.hh
index c1bba1a569a61be7dfe3e4b83a4fc4d0fdea30e3..10119a59af78a93cbd4558d58945ebd9e2499700 100644
--- a/dumux/material/binarycoefficients/brine_co2.hh
+++ b/dumux/material/binarycoefficients/brine_co2.hh
@@ -33,7 +33,6 @@
 #include <dumux/material/components/brine.hh>
 #include <dumux/material/components/h2o.hh>
 #include <dumux/material/components/co2.hh>
-#include <dumux/material/components/simpleco2.hh>
 #include <dumux/material/idealgas.hh>
 
 namespace Dumux::BinaryCoeff {
@@ -42,7 +41,7 @@ namespace Dumux::BinaryCoeff {
  * \ingroup Binarycoefficients
  * \brief Binary coefficients for brine and CO2.
  */
-template<class Scalar, class CO2Impl = Components::SimpleCO2<Scalar>, bool verbose = true>
+template<class Scalar, class CO2Impl, bool verbose = true>
 class Brine_CO2 {
     using H2O = Components::H2O<Scalar>;
 
@@ -387,7 +386,7 @@ private:
  * molfraction of H2O has been assumed to be a constant value
  * For use with the actual brine_co2_system this class still needs to be adapted
  */
-template<class Scalar, class CO2Impl = Components::SimpleCO2<Scalar>, bool verbose = true>
+template<class Scalar, class CO2Impl, bool verbose = true>
 class Brine_CO2_Old
 {
     using H2O = Components::H2O<Scalar>;
diff --git a/dumux/material/fluidsystems/brineco2.hh b/dumux/material/fluidsystems/brineco2.hh
index bd8c069077494f47ba07ef3f7ec4dc99bcb1a8b4..3920c7d518fd5251687a056009365002092cdd0f 100644
--- a/dumux/material/fluidsystems/brineco2.hh
+++ b/dumux/material/fluidsystems/brineco2.hh
@@ -36,7 +36,6 @@
 #include <dumux/material/fluidstates/adapter.hh>
 
 #include <dumux/material/components/brine.hh>
-#include <dumux/material/components/simpleco2.hh>
 #include <dumux/material/components/co2.hh>
 #include <dumux/material/components/tabulatedcomponent.hh>
 
@@ -107,7 +106,7 @@ struct BrineCO2DefaultPolicy
  * \note This implementation always assumes NaCl stays in the liquid phase.
  */
 template< class Scalar,
-          class CO2Impl = Components::SimpleCO2<Scalar>,
+          class CO2Impl,
           class H2OType = Components::TabulatedComponent<Components::H2O<Scalar>>,
           class Policy = BrineCO2DefaultPolicy</*constantSalinity?*/true> >
 class BrineCO2