diff --git a/VECTO/VECTO.vbproj b/VECTO/VECTO.vbproj
index e074e14c989598d807ea16631322588589303f5c..eef56be592e44a6d989da543fc31cd6f1927143f 100644
--- a/VECTO/VECTO.vbproj
+++ b/VECTO/VECTO.vbproj
@@ -25,27 +25,23 @@
     </PackageReference>
   </ItemGroup>
 
-
-  <ItemGroup Condition="'$(TargetFramework)'=='net45'">
-    <Reference Include="Microsoft.Build.Framework" />
+  <ItemGroup Condition="'$(TargetFramework)' == 'net45'">
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Windows.Forms.DataVisualization" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)'=='net48'">
-    <Reference Include="Microsoft.Build.Framework" />
+  <ItemGroup Condition="'$(TargetFramework)' == 'net48'">
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Windows.Forms.DataVisualization" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)'=='net5.0-windows'">
-    <PackageReference Include="System.Drawing.Common" Version="6.0.0" />
-    <Reference Include="System.Windows.Forms" NoWarn="NU1701">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\System.Windows.Forms.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Windows.Forms.DataVisualization">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\System.Windows.Forms.DataVisualization.dll</HintPath>
-    </Reference>
+  <ItemGroup Condition="'$(TargetFramework)' == 'net5.0-windows'">
+    <PackageReference Include="System.Data.SqlClient">
+      <Version>4.8.3</Version>
+    </PackageReference>
+    <PackageReference Include="System.Windows.Forms.DataVisualization">
+      <Version>1.0.0-prerelease.20110.1</Version>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>
@@ -53,8 +49,6 @@
     <ProjectReference Include="..\VectoCore\VectoCore\VectoCore.csproj" />
   </ItemGroup>
   
-
-
   <ItemGroup>
     <Import Include="Microsoft.VisualBasic" />
     <Import Include="System" />
@@ -112,4 +106,6 @@
     <EmbeddedResource Update="Resources\6x2tt.png" />
     <EmbeddedResource Update="Resources\Undef.png" />
   </ItemGroup>
+
+  
 </Project>
\ No newline at end of file
diff --git a/VectoCore/VectoCore/Utils/DelaunayMap.cs b/VectoCore/VectoCore/Utils/DelaunayMap.cs
index bd42c4ab5d56015f29063753d7b4d728f7d91093..26a6c09dc6ab3c1222c15c2beb3cbf3aed68cb05 100644
--- a/VectoCore/VectoCore/Utils/DelaunayMap.cs
+++ b/VectoCore/VectoCore/Utils/DelaunayMap.cs
@@ -178,11 +178,13 @@ namespace TUGraz.VectoCore.Utils
 		private static void DrawGraph(int i, IEnumerable<Triangle> triangles, Triangle superTriangle, Point[] points,
 			Point lastPoint = null)
 		{
+#if !NET5_0_OR_GREATER
 			var xmin = Math.Min(points.Min(p => p.X), lastPoint?.X ?? double.NaN);
 			var xmax = Math.Max(points.Max(p => p.X), lastPoint?.X ?? double.NaN);
 			var ymin = Math.Min(points.Min(p => p.Y), lastPoint?.Y ?? double.NaN);
 			var ymax = Math.Max(points.Max(p => p.Y), lastPoint?.Y ?? double.NaN);
 
+
 			using (var chart = new Chart { Width = 1000, Height = 1000 }) {
 				chart.ChartAreas.Add(new ChartArea("main") {
 					AxisX = new Axis { Minimum = Math.Min(xmin, xmin), Maximum = Math.Max(xmax, xmax) },
@@ -225,6 +227,7 @@ namespace TUGraz.VectoCore.Utils
 				chart.SaveImage($"delaunay\\{type}_{methodName}_{superTriangle.GetHashCode()}_{i}.png",
 					ChartImageFormat.Png);
 			}
+#endif
 		}
 
 		[MethodImpl(MethodImplOptions.AggressiveInlining)]
diff --git a/VectoCore/VectoCore/VectoCore.csproj b/VectoCore/VectoCore/VectoCore.csproj
index 819ecfad0b5e5820b5d619b13e1b5501bfc7eb93..b97b7fe1771a852229c7f37227d197eb7419eee8 100644
--- a/VectoCore/VectoCore/VectoCore.csproj
+++ b/VectoCore/VectoCore/VectoCore.csproj
@@ -29,13 +29,9 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='net5.0'">
-    <PackageReference Include="System.Drawing.Common" Version="6.0.0" />
-    <Reference Include="System.Windows.Forms">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\System.Windows.Forms.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Windows.Forms.DataVisualization">
-      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\System.Windows.Forms.DataVisualization.dll</HintPath>
-    </Reference>
+    <PackageReference Include="System.Windows.Forms.DataVisualization">
+      <Version>1.0.0-prerelease.20110.1</Version>
+    </PackageReference>
   </ItemGroup>