diff --git a/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj b/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
index 489f2bf5..d153231e 100644
--- a/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
+++ b/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
@@ -99,6 +99,9 @@
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
+  <Target Name="AfterClean" AfterTargets="Clean">
+    <RemoveDir Directories="$(TargetDir)" />
+  </Target>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
diff --git a/SafeExamBrowser.Client/SafeExamBrowser.Client.csproj b/SafeExamBrowser.Client/SafeExamBrowser.Client.csproj
index fc59b7b9..eebb106e 100644
--- a/SafeExamBrowser.Client/SafeExamBrowser.Client.csproj
+++ b/SafeExamBrowser.Client/SafeExamBrowser.Client.csproj
@@ -184,4 +184,7 @@ exit 0</PostBuildEvent>
     <PreBuildEvent>
     </PreBuildEvent>
   </PropertyGroup>
+  <Target Name="AfterClean" AfterTargets="Clean">
+    <RemoveDir Directories="$(TargetDir)" />
+  </Target>
 </Project>
\ No newline at end of file
diff --git a/SafeExamBrowser.Runtime/SafeExamBrowser.Runtime.csproj b/SafeExamBrowser.Runtime/SafeExamBrowser.Runtime.csproj
index 0951b584..2bdeb571 100644
--- a/SafeExamBrowser.Runtime/SafeExamBrowser.Runtime.csproj
+++ b/SafeExamBrowser.Runtime/SafeExamBrowser.Runtime.csproj
@@ -197,4 +197,7 @@
     <PreBuildEvent>
     </PreBuildEvent>
   </PropertyGroup>
+  <Target Name="AfterClean" AfterTargets="Clean">
+    <RemoveDir Directories="$(TargetDir)" />
+  </Target>
 </Project>
\ No newline at end of file
diff --git a/SafeExamBrowser.sln b/SafeExamBrowser.sln
index 3684cf42..fec29edb 100644
--- a/SafeExamBrowser.sln
+++ b/SafeExamBrowser.sln
@@ -296,7 +296,6 @@ Global
 		{BC229E80-FF93-424F-9930-D9C07D9B57B4}.Release|x86.Build.0 = Release|x86
 		{0E14D163-557E-469E-9112-96936AF43A7B}.Debug|Any CPU.ActiveCfg = Debug|x86
 		{0E14D163-557E-469E-9112-96936AF43A7B}.Debug|x86.ActiveCfg = Debug|x86
-		{0E14D163-557E-469E-9112-96936AF43A7B}.Debug|x86.Build.0 = Debug|x86
 		{0E14D163-557E-469E-9112-96936AF43A7B}.Release|Any CPU.ActiveCfg = Release|x86
 		{0E14D163-557E-469E-9112-96936AF43A7B}.Release|x86.ActiveCfg = Release|x86
 		{0E14D163-557E-469E-9112-96936AF43A7B}.Release|x86.Build.0 = Release|x86