diff --git a/test/multidomain/boundary/stokesdarcy/1p2c_2p2c/properties.hh b/test/multidomain/boundary/stokesdarcy/1p2c_2p2c/properties.hh
index 615c62bfc0b6a0ff27bc6cd8b8812091fc62cdda..2227505acd82ad9f51b8b40dc89d8df7f3d421a1 100644
--- a/test/multidomain/boundary/stokesdarcy/1p2c_2p2c/properties.hh
+++ b/test/multidomain/boundary/stokesdarcy/1p2c_2p2c/properties.hh
@@ -20,7 +20,6 @@
 
 #include <dumux/material/fluidsystems/h2oair.hh>
 #include <dumux/material/fluidsystems/1padapter.hh>
-#include <dumux/material/fluidsystems/h2oair.hh>
 
 #include <dumux/porousmediumflow/2p2c/model.hh>
 #include <dumux/freeflow/compositional/navierstokesncmodel.hh>