diff --git a/dumux/freeflow/navierstokesnc/model.hh b/dumux/freeflow/navierstokesnc/model.hh
index 772fe9e4e8026b52a4dc38328c6c8e9b4a36ebd7..7e7c89a233fba41b4bf55530de2ce294ccbc9c57 100644
--- a/dumux/freeflow/navierstokesnc/model.hh
+++ b/dumux/freeflow/navierstokesnc/model.hh
@@ -220,7 +220,7 @@ private:
     static constexpr int dim = GET_PROP_TYPE(TypeTag, GridView)::dimension;
     static constexpr int phaseIdx = GET_PROP_VALUE(TypeTag, PhaseIdx);
     static constexpr int replaceCompEqIdx = GET_PROP_VALUE(TypeTag, ReplaceCompEqIdx);
-    using IsothermalIndices = NavierStokesNCIndices<dim, numEq, phaseIdx, replaceCompEqIdx>;;
+    using IsothermalIndices = NavierStokesNCIndices<dim, numEq, phaseIdx, replaceCompEqIdx>;
 public:
     using type = NavierStokesNonIsothermalIndices<dim, numEq, IsothermalIndices>;
 };
diff --git a/dumux/freeflow/navierstokesnc/volumevariables.hh b/dumux/freeflow/navierstokesnc/volumevariables.hh
index 0e47ecd39e5e44536518d8ae15fd1198bb52ab6f..892b9d6f6183f13895868f082f568e57e6ab1f36 100644
--- a/dumux/freeflow/navierstokesnc/volumevariables.hh
+++ b/dumux/freeflow/navierstokesnc/volumevariables.hh
@@ -100,7 +100,7 @@ public:
                                                                                  compJIdx));
             }
         }
-    };
+    }
 
     /*!
      * \brief Update the fluid state
diff --git a/test/freeflow/navierstokesnc/channeltestproblem.hh b/test/freeflow/navierstokesnc/channeltestproblem.hh
index d663e5a8b2c4b8fb6c2911af3fde8c37b5e31bf0..c71c295927aa95befcfa395445b5ee45dc3c78fc 100644
--- a/test/freeflow/navierstokesnc/channeltestproblem.hh
+++ b/test/freeflow/navierstokesnc/channeltestproblem.hh
@@ -75,7 +75,7 @@ SET_BOOL_PROP(ChannelNCTestTypeTag, EnableFVGridGeometryCache, true);
 SET_BOOL_PROP(ChannelNCTestTypeTag, EnableGridFluxVariablesCache, true);
 SET_BOOL_PROP(ChannelNCTestTypeTag, EnableGridVolumeVariablesCache, true);
 
-// Enable gravity
+// Use mole fraction formulation
 SET_BOOL_PROP(ChannelNCTestTypeTag, UseMoles, true);
 
 // #if ENABLE_NAVIERSTOKES