diff --git a/dumux/porousmediumflow/mpnc/volumevariables.hh b/dumux/porousmediumflow/mpnc/volumevariables.hh
index 1abb9cf00a012653375c3d26a7196fedaf8af436..7684073074172fea995be6db9ee77f8ffb05f1d4 100644
--- a/dumux/porousmediumflow/mpnc/volumevariables.hh
+++ b/dumux/porousmediumflow/mpnc/volumevariables.hh
@@ -28,7 +28,6 @@
 #include <dumux/porousmediumflow/volumevariables.hh>
 #include <dumux/porousmediumflow/nonisothermal/volumevariables.hh>
 
-#include <dumux/material/constraintsolvers/ncpflash.hh>
 #include <dumux/material/constraintsolvers/compositionfromfugacities.hh>
 #include <dumux/material/constraintsolvers/misciblemultiphasecomposition.hh>
 #include <dumux/material/solidstates/updatesolidvolumefractions.hh>