diff --git a/eng/CodeAnalysis.src.globalconfig b/eng/CodeAnalysis.src.globalconfig
index 1f1ba7216dc06b..400c8c432c21bf 100644
--- a/eng/CodeAnalysis.src.globalconfig
+++ b/eng/CodeAnalysis.src.globalconfig
@@ -386,6 +386,12 @@ dotnet_diagnostic.CA1847.severity = warning
 # CA1848: Use the LoggerMessage delegates
 dotnet_diagnostic.CA1848.severity = none
 
+# CA1849: Call async methods when in an async method
+dotnet_diagnostic.CA1849.severity = suggestion
+
+# CA1850: Prefer static 'HashData' method over 'ComputeHash'
+dotnet_diagnostic.CA1850.severity = warning
+
 # CA2000: Dispose objects before losing scope
 dotnet_diagnostic.CA2000.severity = none
 
diff --git a/eng/CodeAnalysis.test.globalconfig b/eng/CodeAnalysis.test.globalconfig
index 5f31263bf86570..572310d3b86d0a 100644
--- a/eng/CodeAnalysis.test.globalconfig
+++ b/eng/CodeAnalysis.test.globalconfig
@@ -384,6 +384,12 @@ dotnet_diagnostic.CA1847.severity = none
 # CA1848: Use the LoggerMessage delegates
 dotnet_diagnostic.CA1848.severity = none
 
+# CA1849: Call async methods when in an async method
+dotnet_diagnostic.CA1849.severity = none
+
+# CA1850: Prefer static 'HashData' method over 'ComputeHash'
+dotnet_diagnostic.CA1850.severity = none
+
 # CA2000: Dispose objects before losing scope
 dotnet_diagnostic.CA2000.severity = none
 
diff --git a/src/libraries/System.Security.Cryptography.Xml/src/System.Security.Cryptography.Xml.csproj b/src/libraries/System.Security.Cryptography.Xml/src/System.Security.Cryptography.Xml.csproj
index d44841c9b17743..5c8934d82cd7de 100644
--- a/src/libraries/System.Security.Cryptography.Xml/src/System.Security.Cryptography.Xml.csproj
+++ b/src/libraries/System.Security.Cryptography.Xml/src/System.Security.Cryptography.Xml.csproj
@@ -3,6 +3,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppMinimum);netstandard2.0;$(NetFrameworkMinimum)</TargetFrameworks>
     <IsPackable>true</IsPackable>
+    <NoWarn>$(NoWarn);CA1850</NoWarn> <!-- CA1850 suppressed due to multitargeting -->
     <PackageDescription>Provides classes to support the creation and validation of XML digital signatures. The classes in this namespace implement the World Wide Web Consortium Recommendation, "XML-Signature Syntax and Processing", described at http://www.w3.org/TR/xmldsig-core/.
 
 Commonly Used Types: