diff --git a/dumux/material/fluidsystems/defaultcomponents.hh b/dumux/material/fluidsystems/defaultcomponents.hh
index 53c70bdb09d6e5a7e0db6bde681b6e3c824e2fe4..d68a60f4d943636a61ae63695c3abba16af4ba1d 100644
--- a/dumux/material/fluidsystems/defaultcomponents.hh
+++ b/dumux/material/fluidsystems/defaultcomponents.hh
@@ -33,17 +33,13 @@
 
 #include <dumux/common/basicproperties.hh>
 
+#include <dumux/material/components/h2o.hh>
+#include <dumux/material/components/n2.hh>
+#include <dumux/material/components/o2.hh>
+#include <dumux/material/components/h2.hh>
 #include <dumux/material/components/ch4.hh>
 #include <dumux/material/components/simpleco2.hh>
-#include <dumux/material/components/h2.hh>
-#include <dumux/material/components/o2.hh>
-#include <dumux/material/components/oil.hh>
-#include <dumux/material/components/n2.hh>
-#include <dumux/material/components/h2o.hh>
 #include <dumux/material/components/simpleh2o.hh>
-#include <dumux/material/components/simplednapl.hh>
-#include <dumux/material/components/benzene.hh>
-#include <dumux/material/components/mesitylene.hh>
 #include <dumux/material/components/brine.hh>
 #include <dumux/material/components/tabulatedcomponent.hh>