Remove unused dependency for netstandard2.0.
diff --git a/src/log4net/log4net.csproj b/src/log4net/log4net.csproj
index 62b1734..95bea2c 100644
--- a/src/log4net/log4net.csproj
+++ b/src/log4net/log4net.csproj
@@ -153,7 +153,6 @@
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard2.0'">
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.5.0" />
-    <PackageReference Include="System.Reflection" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup>
     <BootstrapperPackage Include="Microsoft.Net.Client.3.5">