diff --git a/.editorconfig b/.editorconfig
index e53e477d..030b2cc8 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -65,6 +65,7 @@ dotnet_diagnostic.S3949.severity = none
 dotnet_diagnostic.S3966.severity = none
 dotnet_diagnostic.S3990.severity = none
 dotnet_diagnostic.S3992.severity = none
+dotnet_diagnostic.S4035.severity = none
 dotnet_diagnostic.S4158.severity = none
 dotnet_diagnostic.S4347.severity = none
 dotnet_diagnostic.S5773.severity = none
diff --git a/sonar-suppressions.json b/sonar-suppressions.json
index e761548a..acf418c3 100644
--- a/sonar-suppressions.json
+++ b/sonar-suppressions.json
@@ -153,6 +153,10 @@
     {
       "id": "S3992",
       "reason": "Assemblies should have ComVisible attribute - COM interop not required"
+    },
+    {
+      "id": "S4035",
+      "reason": "Classes implementing IComparable<T> should also implement IEquatable<T> - performance-optimized value types use custom equality semantics"
     }
   ]
 }