diff --git a/change/react-native-windows-2019-12-05-16-02-42-savespace.json b/change/react-native-windows-2019-12-05-16-02-42-savespace.json
new file mode 100644
index 00000000000..ddf72204ec3
--- /dev/null
+++ b/change/react-native-windows-2019-12-05-16-02-42-savespace.json
@@ -0,0 +1,8 @@
+{
+  "type": "none",
+  "comment": "Avoid duplicate V8JSI and Hermes",
+  "packageName": "react-native-windows",
+  "email": "licanhua@live.com",
+  "commit": "186e002485ef3ade1036df59e3273c191c063622",
+  "date": "2019-12-06T00:02:42.705Z"
+}
\ No newline at end of file
diff --git a/vnext/ReactUWP/ReactUWP.vcxproj b/vnext/ReactUWP/ReactUWP.vcxproj
index 381b277ba04..d4af7fb2f0c 100644
--- a/vnext/ReactUWP/ReactUWP.vcxproj
+++ b/vnext/ReactUWP/ReactUWP.vcxproj
@@ -418,8 +418,6 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
     <Import Project="$(SolutionDir)packages\boost.1.68.0.0\build\boost.targets" Condition="Exists('$(SolutionDir)packages\boost.1.68.0.0\build\boost.targets')" />
-    <Import Project="$(SolutionDir)packages\ReactNative.Hermes.Windows.0.1.3\build\native\ReactNative.Hermes.Windows.targets" Condition="Exists('$(SolutionDir)packages\ReactNative.Hermes.Windows.0.1.3\build\native\ReactNative.Hermes.Windows.targets') AND '$(OSS_RN)' != 'true' AND '$(USE_HERMES)' == 'true'" />
-    <Import Project="$(SolutionDir)packages\ReactNative.V8JSI.Windows.0.1.4\build\native\ReactNative.V8JSI.Windows.targets" Condition="Exists('$(SolutionDir)packages\ReactNative.V8JSI.Windows.0.1.4\build\native\ReactNative.V8JSI.Windows.targets') AND '$(OSS_RN)' != 'true' AND '$(USE_V8)' == 'true'" />
     <Import Project="$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.targets" Condition="Exists('$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.targets')" />
     <Import Project="$(SolutionDir)packages\Microsoft.UI.Xaml.2.3.191129002\build\native\Microsoft.UI.Xaml.targets" Condition="Exists('$(SolutionDir)packages\Microsoft.UI.Xaml.2.3.191129002\build\native\Microsoft.UI.Xaml.targets')" />
   </ImportGroup>
@@ -428,8 +426,6 @@
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('$(SolutionDir)packages\boost.1.68.0.0\build\boost.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\boost.1.68.0.0\build\boost.targets'))" />
-    <Error Condition="!Exists('$(SolutionDir)packages\ReactNative.Hermes.Windows.0.1.3\build\native\ReactNative.Hermes.Windows.targets') AND '$(OSS_RN)' != 'true' AND '$(USE_HERMES)' == 'true'" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\ReactNative.Hermes.Windows.0.1.3\build\native\ReactNative.Hermes.Windows.targets'))" />
-    <Error Condition="!Exists('$(SolutionDir)packages\ReactNative.V8JSI.Windows.0.1.4\build\native\ReactNative.V8JSI.Windows.targets') AND '$(OSS_RN)' != 'true' AND '$(USE_V8)' == 'true'" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\ReactNative.V8JSI.Windows.0.1.4\build\native\ReactNative.V8JSI.Windows.targets'))" />
     <Error Condition="!Exists('$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.props'))" />
     <Error Condition="!Exists('$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\Microsoft.Windows.CppWinRT.2.0.190730.2\build\native\Microsoft.Windows.CppWinRT.targets'))" />
     <Error Condition="!Exists('$(SolutionDir)packages\Microsoft.UI.Xaml.2.3.191129002\build\native\Microsoft.UI.Xaml.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)packages\Microsoft.UI.Xaml.2.3.191129002\build\native\Microsoft.UI.Xaml.targets'))" />
diff --git a/vnext/ReactUWP/packages.config b/vnext/ReactUWP/packages.config
index 405a2f363d4..d37961bee6e 100644
--- a/vnext/ReactUWP/packages.config
+++ b/vnext/ReactUWP/packages.config
@@ -3,6 +3,4 @@
   <package id="boost" version="1.68.0.0" targetFramework="native" />
   <package id="Microsoft.UI.Xaml" version="2.3.191129002" targetFramework="native" />
   <package id="Microsoft.Windows.CppWinRT" version="2.0.190730.2" targetFramework="native" />
-  <package id="ReactNative.Hermes.Windows" version="0.1.3" targetFramework="native" Condition="'$(OSS_RN)' != 'true' AND '$(USE_HERMES)' == 'true'" />
-  <package id="ReactNative.V8JSI.Windows" version="0.1.4" targetFramework="native" Condition="'$(OSS_RN)' != 'true' AND '$(USE_V8)' == 'true'" />
 </packages>
\ No newline at end of file