diff --git a/test_problems/cathermo/HMW_graph_VvT/HMW_graph_VvT.cpp b/test_problems/cathermo/HMW_graph_VvT/HMW_graph_VvT.cpp
index f4585a871..40f7aea57 100755
--- a/test_problems/cathermo/HMW_graph_VvT/HMW_graph_VvT.cpp
+++ b/test_problems/cathermo/HMW_graph_VvT/HMW_graph_VvT.cpp
@@ -255,7 +255,6 @@ int main(int argc, char **argv)
       /*
        * Calculate the molar volume of solution
        */
-      HMW->calcDensity();
       double dsoln = HMW->density();
       meanMW = HMW->meanMolecularWeight();
       double molarV = meanMW / dsoln;