diff --git a/build/dependencies.props b/build/dependencies.props
index d19307a9e7..5d624eb5e0 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -28,16 +28,13 @@
     <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingPackageVersion>
     <MicrosoftExtensionsLoggingTestingPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsLoggingTestingPackageVersion>
     <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsPlatformAbstractionsPackageVersion>1.1.0</MicrosoftExtensionsPlatformAbstractionsPackageVersion>
     <MicrosoftExtensionsSecurityHelperSourcesPackageVersion>2.1.0-preview3-32110</MicrosoftExtensionsSecurityHelperSourcesPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview3-26331-01</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNetHttpHeadersPackageVersion>2.1.0-preview3-32110</MicrosoftNetHttpHeadersPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftWebAdministrationPackageVersion>7.0.0</MicrosoftWebAdministrationPackageVersion>
     <SystemBuffersPackageVersion>4.5.0-preview3-26331-02</SystemBuffersPackageVersion>
     <SystemIOPipelinesPackageVersion>4.5.0-preview3-26331-02</SystemIOPipelinesPackageVersion>
-    <SystemManagementAutomationPackageVersion>6.1.7601.17515</SystemManagementAutomationPackageVersion>
     <SystemMemoryPackageVersion>4.5.0-preview3-26331-02</SystemMemoryPackageVersion>
     <SystemNetWebSocketsWebSocketProtocolPackageVersion>4.5.0-preview3-26331-02</SystemNetWebSocketsWebSocketProtocolPackageVersion>
     <SystemNumericsVectorsPackageVersion>4.5.0-preview3-26331-02</SystemNumericsVectorsPackageVersion>