diff --git a/src/Microsoft.DotNet.GenFacades/SourceGenerator.cs b/src/Microsoft.DotNet.GenFacades/SourceGenerator.cs
index f7014698b41..b34212138a4 100644
--- a/src/Microsoft.DotNet.GenFacades/SourceGenerator.cs
+++ b/src/Microsoft.DotNet.GenFacades/SourceGenerator.cs
@@ -47,7 +47,7 @@ public bool GenerateSource(
 
             StringBuilder sb = new StringBuilder();
             sb.AppendLine("// <auto-generated/>"); // Adding this because the following code is autogenerated.
-            sb.AppendLine("#pragma warning disable CS0618"); // Adding this to avoid warnings while adding typeforwards for obselete types.
+            sb.AppendLine("#pragma warning disable CS0618,CA2252"); // Adding this to avoid warnings while adding typeforwards for obselete types. CA2252 suppresses warnings on preview APIs
 
             bool result = true;