diff --git a/tools-local/init-build.proj b/tools-local/init-build.proj
index 0c9507da8b..7f390c42a2 100644
--- a/tools-local/init-build.proj
+++ b/tools-local/init-build.proj
@@ -7,7 +7,6 @@
   <Import Project="..\dir.props" />
 
   <UsingTask AssemblyFile="$(TasksBinDir)Microsoft.DotNet.SourceBuild.Tasks.dll" TaskName="GetHostInformation" />
-  <UsingTask AssemblyFile="$(TasksBinDir)Microsoft.DotNet.SourceBuild.Tasks.dll" TaskName="BuildDummyPackages" />
 
   <PropertyGroup>
     <BuildCompetedSuccessSemaphore>$(BaseIntermediatePath)/init-build-proj.complete</BuildCompetedSuccessSemaphore>
@@ -18,7 +17,7 @@
     Inputs="$(TargetInfoProps)"
     Outputs="$(BuildCompetedSuccessSemaphore)"
     >
-    <CallTarget Targets="BuildTasks;InstallSourceBuildSdkResolver;WriteDynamicPropsToStaticPropsFiles;GenerateRootFs;CreateAllGitInfoProps;ApplyPatches;BuildDummyPackages;BuildReferenceAssemblies" />
+    <CallTarget Targets="BuildTasks;InstallSourceBuildSdkResolver;WriteDynamicPropsToStaticPropsFiles;GenerateRootFs;CreateAllGitInfoProps;ApplyPatches" />
     <Touch Files="$(BuildCompetedSuccessSemaphore)" AlwaysCreate="true" />
   </Target>
 
@@ -67,247 +66,6 @@
      <Exec Condition="'$(Platform)' == 'armel'" Command="$(ArmEnvironmentVariables) $(ProjectDir)cross/armel/tizen-build-rootfs.sh" />
   </Target>
 
-  <Target Name="BuildDummyPackages" Condition="'$(OfflineBuild)' == 'true'">
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-      <DummyPackage Include="Libuv" Version="1.9.0" />
-      <DummyPackage Include="Libuv" Version="1.9.1" />
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-      <DummyPackage Include="MSTest.TestAdapter" Version="1.1.8-rc" />
-      <DummyPackage Include="MSTest.TestFramework" Version="1.0.8-rc" />
-      <DummyPackage Include="MSTest.TestFramework" Version="1.1.11" />
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-      <DummyPackage Include="Microsoft.Build.Framework" Version="15.1.0-preview-000458-02" />
-      <DummyPackage Include="Microsoft.Build.Utilities.Core" Version="15.1.0-preview-000458-02" />
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-    <Exec Command="$(DotNetCliToolDir)/dotnet build $(SubmoduleDirectory)/reference-assemblies/build.proj" />
-    <Exec Command="$(DotNetCliToolDir)/dotnet restore $(SubmoduleDirectory)/reference-assemblies/nuspecs/pack.csproj" />
-    <Exec Command="$(DotNetCliToolDir)/dotnet pack $(SubmoduleDirectory)/reference-assemblies/nuspecs/PackAll.proj" />
-  </Target>
-
   <Target Name="WriteDynamicPropsToStaticPropsFiles">
     <GetHostInformation Condition="'$(TargetRid)' == ''">
       <Output PropertyName="TargetRid" TaskParameter="Rid" />