diff --git a/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj b/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
index 902dded..13e758e 100644
--- a/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
+++ b/DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
@@ -17,8 +17,6 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.Orleans.Core" Version="9.1.2" />
-        <PackageReference Include="Microsoft.Orleans.Server" Version="9.1.2" />
         <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="9.0.0" />
         <PackageReference Include="NodaTime" Version="3.2.2" />
         <PackageReference Include="NodaTime.Serialization.SystemTextJson" Version="1.3.0" />