diff --git a/dumux/material/components/component.hh b/dumux/material/components/component.hh
index 9ae42e9ed..7a2d86527 100644
--- a/dumux/material/components/component.hh
+++ b/dumux/material/components/component.hh
@@ -21,6 +21,8 @@
 #ifndef DUMUX_COMPONENT_HH
 #define DUMUX_COMPONENT_HH
 
+#include <dune/common/exceptions.hh>
+
 namespace Dumux
 {
 
@@ -31,10 +33,6 @@ template <class Scalar, class Implementation>
 class Component
 {
 public:
-    static void init(Scalar tempMin, Scalar tempMax, unsigned nTemp,
-            Scalar pressMin, Scalar pressMax, unsigned nPress)
-    {   Dune::dwarn << "No init routine defined - make shure that this is not necessary!" << std::endl; }
-
     /*!
      * \brief A human readable name for the compoent.
      */
diff --git a/dumux/material/fluidsystems/defaultcomponents.hh b/dumux/material/fluidsystems/defaultcomponents.hh
index 861b84202..3eb95ea89 100644
--- a/dumux/material/fluidsystems/defaultcomponents.hh
+++ b/dumux/material/fluidsystems/defaultcomponents.hh
@@ -33,6 +33,8 @@
 #include <dumux/material/components/brine.hh>
 #include <dumux/material/components/tabulatedcomponent.hh>
 
+#include <dune/common/stdstreams.hh>
+
 namespace Dumux
 {
 namespace Properties
@@ -45,6 +47,8 @@ NEW_PROP_TAG(DefaultComponents);
 //! system
 NEW_PROP_TAG(Components);
 
+NEW_PROP_TAG(Scalar);
+
 SET_PROP_DEFAULT(DefaultComponents)
 { private:
     typedef typename GET_PROP_TYPE(TypeTag, PTAG(Scalar)) Scalar;
diff --git a/dumux/material/fluidsystems/h2o_n2_system.hh b/dumux/material/fluidsystems/h2o_n2_system.hh
index dd0ed0a67..94eb44686 100644
--- a/dumux/material/fluidsystems/h2o_n2_system.hh
+++ b/dumux/material/fluidsystems/h2o_n2_system.hh
@@ -605,7 +605,7 @@ private:
         }
 #endif
     }
-    };
+};
 
 } // end namepace