diff --git a/NMaier.Windows.Forms/Form.cs b/NMaier.Windows.Forms/Form.cs
index 45bbd797..b3d9cb1d 100644
--- a/NMaier.Windows.Forms/Form.cs
+++ b/NMaier.Windows.Forms/Form.cs
@@ -1,4 +1,3 @@
-using System;
 using System.ComponentModel;
 using System.Drawing;
 using System.Windows.Forms.VisualStyles;
diff --git a/SimpleDLNA/FormMain.cs b/SimpleDLNA/FormMain.cs
index 5c9043e2..1d404517 100644
--- a/SimpleDLNA/FormMain.cs
+++ b/SimpleDLNA/FormMain.cs
@@ -4,9 +4,7 @@
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
-using System.IO.Pipes;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
 using System.Windows.Forms;
@@ -19,7 +17,6 @@
 using NMaier.SimpleDlna.GUI.Properties;
 using NMaier.SimpleDlna.Server;
 using Form = NMaier.Windows.Forms.Form;
-using SystemInformation = NMaier.SimpleDlna.Utilities.SystemInformation;
 using Timer = System.Timers.Timer;
 
 namespace NMaier.SimpleDlna.GUI
diff --git a/SimpleDLNA/Program.cs b/SimpleDLNA/Program.cs
index 0376fd23..79a23ee9 100644
--- a/SimpleDLNA/Program.cs
+++ b/SimpleDLNA/Program.cs
@@ -1,5 +1,4 @@
 using System;
-using System.IO.Pipes;
 using System.Threading;
 using System.Windows.Forms;
 
diff --git a/SimpleDLNA/SimpleDLNA.csproj b/SimpleDLNA/SimpleDLNA.csproj
index 5246e611..60e8052d 100644
--- a/SimpleDLNA/SimpleDLNA.csproj
+++ b/SimpleDLNA/SimpleDLNA.csproj
@@ -80,12 +80,6 @@
     <Reference Include="System" />
     <Reference Include="System.Configuration.Install" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Data.SQLite, Version=1.0.103.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Data.SQLite.Core.1.0.103\lib\net451\System.Data.SQLite.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Deployment" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
@@ -226,10 +220,6 @@
       <Project>{232A96F6-A2BF-44C8-B623-6E411F6296F2}</Project>
       <Name>server</Name>
     </ProjectReference>
-    <ProjectReference Include="..\thumbs\thumbs.csproj">
-      <Project>{EF29F98A-B8B6-4591-BA29-E71BCC308E98}</Project>
-      <Name>thumbs</Name>
-    </ProjectReference>
     <ProjectReference Include="..\util\util.csproj">
       <Project>{A8960A7A-887C-40D7-9632-002E94BFC830}</Project>
       <Name>util</Name>
@@ -242,9 +232,7 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('$(SolutionDir)\.nuget\NuGet.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\.nuget\NuGet.targets'))" />
-    <Error Condition="!Exists('..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets'))" />
   </Target>
-  <Import Project="..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/SimpleDLNA/packages.config b/SimpleDLNA/packages.config
index d0adffdb..adec12e2 100644
--- a/SimpleDLNA/packages.config
+++ b/SimpleDLNA/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="log4net" version="2.0.5" targetFramework="net451" />
-  <package id="System.Data.SQLite.Core" version="1.0.103" targetFramework="net451" />
 </packages>
\ No newline at end of file
diff --git a/fsserver/Files/BaseFile.cs b/fsserver/Files/BaseFile.cs
index 1a24418b..16dea751 100644
--- a/fsserver/Files/BaseFile.cs
+++ b/fsserver/Files/BaseFile.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Globalization;
 using System.IO;
-using System.Net;
 using NMaier.SimpleDlna.Server;
 using NMaier.SimpleDlna.Server.Metadata;
 using NMaier.SimpleDlna.Utilities;
diff --git a/fsserver/fsserver.csproj b/fsserver/fsserver.csproj
index 09bde4e6..77e1739f 100644
--- a/fsserver/fsserver.csproj
+++ b/fsserver/fsserver.csproj
@@ -59,8 +59,6 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Data" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Xml" />
     <Reference Include="taglib-sharp, Version=2.1.0.0, Culture=neutral, PublicKeyToken=db62eba44689b5b0, processorArchitecture=MSIL">
       <HintPath>..\packages\taglib.2.1.0.0\lib\taglib-sharp.dll</HintPath>
diff --git a/sdlna/packages.config b/sdlna/packages.config
index b59b9327..310d3d9f 100644
--- a/sdlna/packages.config
+++ b/sdlna/packages.config
@@ -2,5 +2,4 @@
 <packages>
   <package id="GetOptNet" version="1.2.0.0" targetFramework="net451" />
   <package id="log4net" version="2.0.5" targetFramework="net451" />
-  <package id="System.Data.SQLite.Core" version="1.0.103" targetFramework="net451" />
 </packages>
\ No newline at end of file
diff --git a/sdlna/sdlna.csproj b/sdlna/sdlna.csproj
index 5b1ea40c..4e78a96f 100644
--- a/sdlna/sdlna.csproj
+++ b/sdlna/sdlna.csproj
@@ -84,14 +84,6 @@
     <Reference Include="System" />
     <Reference Include="System.Configuration.Install" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Data.SQLite, Version=1.0.103.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Data.SQLite.Core.1.0.103\lib\net451\System.Data.SQLite.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\GlobalAssemblyInfo.cs">
@@ -172,9 +164,7 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('$(SolutionDir)\.nuget\NuGet.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\.nuget\NuGet.targets'))" />
-    <Error Condition="!Exists('..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets'))" />
   </Target>
-  <Import Project="..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.103\build\net451\System.Data.SQLite.Core.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/server/Comparers/BaseComparer.cs b/server/Comparers/BaseComparer.cs
index 292d1f89..6e8f932b 100644
--- a/server/Comparers/BaseComparer.cs
+++ b/server/Comparers/BaseComparer.cs
@@ -1,6 +1,4 @@
-using NMaier.SimpleDlna.Utilities;
-
-namespace NMaier.SimpleDlna.Server.Comparers
+namespace NMaier.SimpleDlna.Server.Comparers
 {
   internal abstract class BaseComparer : IItemComparer
   {
diff --git a/server/Views/CascadedView.cs b/server/Views/CascadedView.cs
index b4651ad4..aa1eedcd 100644
--- a/server/Views/CascadedView.cs
+++ b/server/Views/CascadedView.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Linq;
 using NMaier.SimpleDlna.Utilities;
 
diff --git a/server/server.csproj b/server/server.csproj
index fa73552a..e1c1fefc 100644
--- a/server/server.csproj
+++ b/server/server.csproj
@@ -53,11 +53,6 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
diff --git a/thumbs/Properties/AssemblyInfo.cs b/thumbs/Properties/AssemblyInfo.cs
index 33eb9ffa..a2817e66 100644
--- a/thumbs/Properties/AssemblyInfo.cs
+++ b/thumbs/Properties/AssemblyInfo.cs
@@ -1,6 +1,5 @@
 using System.Reflection;
 using System.Runtime.InteropServices;
-using System.Resources;
 
 [assembly: AssemblyTitle("Thumbnails class Library")]
 [assembly: AssemblyDescription("")]
diff --git a/thumbs/thumbs.csproj b/thumbs/thumbs.csproj
index 125c1665..4af729f6 100644
--- a/thumbs/thumbs.csproj
+++ b/thumbs/thumbs.csproj
@@ -52,10 +52,6 @@
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Drawing" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\GlobalAssemblyInfo.cs">
diff --git a/util/App.config b/util/App.config
index d15344d1..6220f4cd 100644
--- a/util/App.config
+++ b/util/App.config
@@ -11,12 +11,11 @@
       </parameters>
     </defaultConnectionFactory>
     <providers>
-      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
       <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
     </providers>
   </entityFramework>
   <startup>
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.1" />
   </startup>
-  
 </configuration>
\ No newline at end of file
diff --git a/util/util.csproj b/util/util.csproj
index f9c9b3b9..e819ed43 100644
--- a/util/util.csproj
+++ b/util/util.csproj
@@ -63,7 +63,6 @@
       <HintPath>..\packages\Microsoft.IO.RecyclableMemoryStream.1.1.0.0\lib\net45\Microsoft.IO.RecyclableMemoryStream.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SQLite, Version=1.0.103.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Data.SQLite.Core.1.0.103\lib\net451\System.Data.SQLite.dll</HintPath>