diff --git a/src/Data.Matlab/Data.Matlab.csproj b/src/Data.Matlab/Data.Matlab.csproj
index c3c84885..22c99a0c 100644
--- a/src/Data.Matlab/Data.Matlab.csproj
+++ b/src/Data.Matlab/Data.Matlab.csproj
@@ -48,12 +48,6 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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-        <Reference Include="System.Numerics" />
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diff --git a/src/Data.Tests/Data.Tests.csproj b/src/Data.Tests/Data.Tests.csproj
index 5382065d..ac7d754c 100644
--- a/src/Data.Tests/Data.Tests.csproj
+++ b/src/Data.Tests/Data.Tests.csproj
@@ -11,14 +11,6 @@
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-        <Reference Include="System.Core" />
-        <Reference Include="System.Numerics" />
-        <Reference Include="Microsoft.CSharp" />
-        <Reference Include="System.Runtime.Serialization" />
-        <Reference Include="System.Xml" />
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     <ItemGroup>
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         <ProjectReference Include="..\Data.Matlab\Data.Matlab.csproj" />
diff --git a/src/Data.Text/Data.Text.csproj b/src/Data.Text/Data.Text.csproj
index 1e114c9f..b5177e02 100644
--- a/src/Data.Text/Data.Text.csproj
+++ b/src/Data.Text/Data.Text.csproj
@@ -48,12 +48,6 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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         <ProjectReference Include="..\Numerics\Numerics.csproj" />
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-        <Reference Include="System" />
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-        <Reference Include="System.Numerics" />
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diff --git a/src/Numerics.Tests/Numerics.Tests.CUDA.csproj b/src/Numerics.Tests/Numerics.Tests.CUDA.csproj
index f2b5080b..6ff81450 100644
--- a/src/Numerics.Tests/Numerics.Tests.CUDA.csproj
+++ b/src/Numerics.Tests/Numerics.Tests.CUDA.csproj
@@ -11,15 +11,7 @@
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-    <Reference Include="System" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
+	<ItemGroup>
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   <ItemGroup>
diff --git a/src/Numerics.Tests/Numerics.Tests.MKL.csproj b/src/Numerics.Tests/Numerics.Tests.MKL.csproj
index a550940a..e3ac5fe1 100644
--- a/src/Numerics.Tests/Numerics.Tests.MKL.csproj
+++ b/src/Numerics.Tests/Numerics.Tests.MKL.csproj
@@ -11,15 +11,7 @@
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-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Xml" />
-  </ItemGroup>
-  <ItemGroup>
+    <ItemGroup>
     <None Remove="TestResult.xml" />
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   <ItemGroup>
diff --git a/src/Numerics.Tests/Numerics.Tests.OpenBLAS.csproj b/src/Numerics.Tests/Numerics.Tests.OpenBLAS.csproj
index e2a31369..980adced 100644
--- a/src/Numerics.Tests/Numerics.Tests.OpenBLAS.csproj
+++ b/src/Numerics.Tests/Numerics.Tests.OpenBLAS.csproj
@@ -11,15 +11,7 @@
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-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Xml" />
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-  <ItemGroup>
+	<ItemGroup>
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diff --git a/src/Numerics.Tests/Numerics.Tests.csproj b/src/Numerics.Tests/Numerics.Tests.csproj
index aa5c5388..7bf2667e 100644
--- a/src/Numerics.Tests/Numerics.Tests.csproj
+++ b/src/Numerics.Tests/Numerics.Tests.csproj
@@ -11,15 +11,7 @@
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-        <Reference Include="Microsoft.CSharp" />
-        <Reference Include="System.Runtime.Serialization" />
-        <Reference Include="System.Xml" />
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-    <ItemGroup>
+	<ItemGroup>
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diff --git a/src/Numerics/Numerics.csproj b/src/Numerics/Numerics.csproj
index ff167cf6..1aa53dd2 100644
--- a/src/Numerics/Numerics.csproj
+++ b/src/Numerics/Numerics.csproj
@@ -40,13 +40,7 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="System.Runtime.Serialization" />
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-  <ItemGroup>
+    <ItemGroup>
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       <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2">
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diff --git a/src/Providers.CUDA/Providers.CUDA.csproj b/src/Providers.CUDA/Providers.CUDA.csproj
index f6385245..0729730b 100644
--- a/src/Providers.CUDA/Providers.CUDA.csproj
+++ b/src/Providers.CUDA/Providers.CUDA.csproj
@@ -39,13 +39,7 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="System.Runtime.Serialization" />
-  </ItemGroup>
-  <ItemGroup>
+    <ItemGroup>
     <ProjectReference Include="..\Numerics\Numerics.csproj" />
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   <ItemGroup>
diff --git a/src/Providers.MKL/Providers.MKL.csproj b/src/Providers.MKL/Providers.MKL.csproj
index b5658f13..c5454351 100644
--- a/src/Providers.MKL/Providers.MKL.csproj
+++ b/src/Providers.MKL/Providers.MKL.csproj
@@ -39,13 +39,7 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="System.Runtime.Serialization" />
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-  <ItemGroup>
+    <ItemGroup>
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diff --git a/src/Providers.OpenBLAS/Providers.OpenBLAS.csproj b/src/Providers.OpenBLAS/Providers.OpenBLAS.csproj
index b6e77380..3762f726 100644
--- a/src/Providers.OpenBLAS/Providers.OpenBLAS.csproj
+++ b/src/Providers.OpenBLAS/Providers.OpenBLAS.csproj
@@ -39,13 +39,7 @@ Control.Describe now includes CPU architecture and family identifier if know</Pa
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-  <ItemGroup Condition="'$(TargetFramework)' == 'net40'">
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-    <Reference Include="System.Core" />
-    <Reference Include="System.Numerics" />
-    <Reference Include="System.Runtime.Serialization" />
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-  <ItemGroup>
+    <ItemGroup>
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diff --git a/src/TestData/TestData.csproj b/src/TestData/TestData.csproj
index f81b4df4..1e60635c 100644
--- a/src/TestData/TestData.csproj
+++ b/src/TestData/TestData.csproj
@@ -9,15 +9,7 @@
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-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
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-  <ItemGroup>
+    <ItemGroup>
     <EmbeddedResource Include="..\..\data\numpy\CorrNumpyData_pwm.csv">
       <Link>Data\numpy\CorrNumpyData_pwm.csv</Link>
     </EmbeddedResource>