diff --git a/examples/heat-equation/tnl-heat-equation.h b/examples/heat-equation/tnl-heat-equation.h
index 43a42da6689b68747005a9378add270c60a522d7..bb9de072e09465d93ba8bacdda947cfc474c1438 100644
--- a/examples/heat-equation/tnl-heat-equation.h
+++ b/examples/heat-equation/tnl-heat-equation.h
@@ -64,14 +64,11 @@ class heatEquationSetter
    typedef Device DeviceType;
    typedef Index IndexType;
 
-   typedef Containers::StaticVector< MeshType::meshDimensions, Real > Vertex;
-
    static bool run( const Config::ParameterContainer& parameters )
    {
       enum { Dimensions = MeshType::meshDimensions };
       typedef Operators::LinearDiffusion< MeshType, Real, Index > ApproximateOperator;
       typedef Functions::Analytic::Constant< Dimensions, Real > RightHandSide;
-      typedef Containers::StaticVector < MeshType::meshDimensions, Real > Vertex;
 
       String boundaryConditionsType = parameters.getParameter< String >( "boundary-conditions-type" );
       if( parameters.checkParameter( "boundary-conditions-constant" ) )
diff --git a/src/TNL/Solvers/SolverConfig_impl.h b/src/TNL/Solvers/SolverConfig_impl.h
index 76234b9880e45db4d023fa898622bef75ff361d7..eb981bb35b9ade583e8538376978443e04584e14 100644
--- a/src/TNL/Solvers/SolverConfig_impl.h
+++ b/src/TNL/Solvers/SolverConfig_impl.h
@@ -116,7 +116,7 @@ bool SolverConfig< ConfigTag, ProblemConfig >::configSetup( Config::ConfigDescri
       if( ConfigTagSemiImplicitSolver< ConfigTag, SemiImplicitSORSolverTag >::enabled )
          config.addEntryEnum( "sor" );
 #ifdef HAVE_UMFPACK
-      if( MeshConfigSemiImplicitSolver< MeshConfig, SemiImplicitUmfpackSolverTag >::enabled )
+      if( ConfigTagSemiImplicitSolver< ConfigTag, SemiImplicitUmfpackSolverTag >::enabled )
          config.addEntryEnum( "umfpack" );
 #endif
    }