diff --git a/opm/material/fluidsystems/BlackOilFluidSystem.hpp b/opm/material/fluidsystems/BlackOilFluidSystem.hpp
index 4de1d1d6d..ef54dbd42 100644
--- a/opm/material/fluidsystems/BlackOilFluidSystem.hpp
+++ b/opm/material/fluidsystems/BlackOilFluidSystem.hpp
@@ -788,7 +788,6 @@ public:
      */
     static Scalar oilDensity(Scalar oilPressure, Scalar XoG)
     {
-        return 650;
         Scalar Bo = oilFormationVolumeFactor(oilPressure, XoG);
         return surfaceDensity_[oilPhaseIdx]/Bo;
     }