diff --git a/ClosedXML/ClosedXML.csproj b/ClosedXML/ClosedXML.csproj
index 12b98f0..6ef1459 100644
--- a/ClosedXML/ClosedXML.csproj
+++ b/ClosedXML/ClosedXML.csproj
@@ -30,7 +30,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="DocumentFormat.OpenXml" Version="2.8.0-vnext0051" />
+    <PackageReference Include="DocumentFormat.OpenXml" Version="2.7.2" />
     <PackageReference Include="System.IO.Packaging" Version="4.4.0" />
   </ItemGroup>
 
@@ -40,7 +40,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net461'">
-    <PackageReference Include="DocumentFormat.OpenXml" Version="2.8.0-vnext0051" />
+    <PackageReference Include="DocumentFormat.OpenXml" Version="2.7.2" />
     <PackageReference Include="System.IO.Packaging" Version="4.4.0" />
   </ItemGroup>
 
diff --git a/ClosedXML_Examples/ClosedXML_Examples.csproj b/ClosedXML_Examples/ClosedXML_Examples.csproj
index daae972..b7d0223 100644
--- a/ClosedXML_Examples/ClosedXML_Examples.csproj
+++ b/ClosedXML_Examples/ClosedXML_Examples.csproj
@@ -27,6 +27,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ClosedXML\ClosedXML.csproj" />
+    <PackageReference Include="DocumentFormat.OpenXml" Version="2.7.2" />
   </ItemGroup>
 
 </Project>
diff --git a/ClosedXML_Tests/ClosedXML_Tests.csproj b/ClosedXML_Tests/ClosedXML_Tests.csproj
index 94a6b79..efe9be7 100644
--- a/ClosedXML_Tests/ClosedXML_Tests.csproj
+++ b/ClosedXML_Tests/ClosedXML_Tests.csproj
@@ -42,7 +42,6 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
     <PackageReference Include="System.Data.Common" Version="4.3.0" />
-    <PackageReference Include="DocumentFormat.OpenXml" Version="2.8.0-vnext0051" />
     <PackageReference Include="System.IO.Packaging" Version="4.4.0" />
   </ItemGroup>
 
diff --git a/nuget.config b/nuget.config
deleted file mode 100644
index 7a7d936..0000000
--- a/nuget.config
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <packageSources>
-    <add key="OpenXML MyGet" value="https://dotnet.myget.org/F/open-xml-sdk/api/v3/index.json" />
-  </packageSources>
-</configuration>
\ No newline at end of file