diff --git a/csharp/src/AddressBook/Addressbook.cs b/csharp/src/AddressBook/Addressbook.cs
index 484a229..1ff0f3b 100644
--- a/csharp/src/AddressBook/Addressbook.cs
+++ b/csharp/src/AddressBook/Addressbook.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: addressbook.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Benchmarks/BenchmarkMessage1Proto3.cs b/csharp/src/Google.Protobuf.Benchmarks/BenchmarkMessage1Proto3.cs
index 4124404..fe21d0c 100644
--- a/csharp/src/Google.Protobuf.Benchmarks/BenchmarkMessage1Proto3.cs
+++ b/csharp/src/Google.Protobuf.Benchmarks/BenchmarkMessage1Proto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: datasets/google_message1/proto3/benchmark_message1_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Benchmarks/Benchmarks.cs b/csharp/src/Google.Protobuf.Benchmarks/Benchmarks.cs
index faa37b0..a05802d 100644
--- a/csharp/src/Google.Protobuf.Benchmarks/Benchmarks.cs
+++ b/csharp/src/Google.Protobuf.Benchmarks/Benchmarks.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: benchmarks.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Benchmarks/WrapperBenchmarkMessages.cs b/csharp/src/Google.Protobuf.Benchmarks/WrapperBenchmarkMessages.cs
index df427e8..e2eb2e8 100644
--- a/csharp/src/Google.Protobuf.Benchmarks/WrapperBenchmarkMessages.cs
+++ b/csharp/src/Google.Protobuf.Benchmarks/WrapperBenchmarkMessages.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: wrapper_benchmark_messages.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Conformance/Conformance.cs b/csharp/src/Google.Protobuf.Conformance/Conformance.cs
index 0a3d5c6..79977a0 100644
--- a/csharp/src/Google.Protobuf.Conformance/Conformance.cs
+++ b/csharp/src/Google.Protobuf.Conformance/Conformance.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: conformance.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/MapUnittestProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/MapUnittestProto3.cs
index 4791b73..57e59a9 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/MapUnittestProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/MapUnittestProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: map_unittest_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto2.cs b/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto2.cs
index 94f089c..35f2b8a 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto2.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto2.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/test_messages_proto2.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto3.cs
index 5a2aa3b..520216f 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/TestMessagesProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/test_messages_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/Unittest.cs b/csharp/src/Google.Protobuf.Test.TestProtos/Unittest.cs
index 706b7c4..c1f43ce 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/Unittest.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/Unittest.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestCustomOptionsProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestCustomOptionsProto3.cs
index 305dfe1..ea7a936 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestCustomOptionsProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestCustomOptionsProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_custom_options_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImport.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImport.cs
index 4f40564..de5f0c2 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImport.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImport.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_import.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportProto3.cs
index a3ce7a2..d661c2d 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_import_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublic.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublic.cs
index b1e0f30..f8a0e55 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublic.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublic.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_import_public.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublicProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublicProto3.cs
index dde8b9b..f664c7b 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublicProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestImportPublicProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_import_public_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936A.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936A.cs
index 56fde4f..e7e2b42 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936A.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936A.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_issue6936_a.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936B.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936B.cs
index 1ac4a67..21232fb 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936B.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936B.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_issue6936_b.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936C.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936C.cs
index d7789b8..cb53b7a 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936C.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssue6936C.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_issue6936_c.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssues.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssues.cs
index 3440105..3fe2dd6 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssues.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestIssues.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_issues.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3.cs
index 1af0d9e..ddb73d7 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_proto3.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3Optional.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3Optional.cs
index a41b890..4502ffa 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3Optional.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestProto3Optional.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/unittest_proto3_optional.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestSelfreferentialOptions.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestSelfreferentialOptions.cs
index 7a8f72d..e1118c9 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestSelfreferentialOptions.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestSelfreferentialOptions.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: unittest_selfreferential_options.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestWellKnownTypes.cs b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestWellKnownTypes.cs
index 58e866e..3ec8d35 100644
--- a/csharp/src/Google.Protobuf.Test.TestProtos/UnittestWellKnownTypes.cs
+++ b/csharp/src/Google.Protobuf.Test.TestProtos/UnittestWellKnownTypes.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/unittest_well_known_types.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/Reflection/Descriptor.cs b/csharp/src/Google.Protobuf/Reflection/Descriptor.cs
index 5967a4f..1cb43c0 100644
--- a/csharp/src/Google.Protobuf/Reflection/Descriptor.cs
+++ b/csharp/src/Google.Protobuf/Reflection/Descriptor.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/descriptor.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Any.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Any.cs
index 13066da..d0ce71b 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Any.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Any.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/any.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Api.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Api.cs
index 58a658e..c524031 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Api.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Api.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/api.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
index b46f4d2..576ef2e 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/duration.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
index 08f4a84..43d2b74 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/empty.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs b/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
index e90c3d5..19e0e6e 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/field_mask.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs b/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
index 58c23ce..6edd4f1 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/source_context.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Struct.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Struct.cs
index 123d80a..8c1eec5 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Struct.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Struct.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/struct.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs
index e981dc2..e6d57af 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/timestamp.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Type.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Type.cs
index 120f31a..3088e38 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Type.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Type.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/type.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs
index 29c04b3..307a446 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs
@@ -2,7 +2,7 @@
 //     Generated by the protocol buffer compiler.  DO NOT EDIT!
 //     source: google/protobuf/wrappers.proto
 // </auto-generated>
-#pragma warning disable 1591, 0612, 3021
+#pragma warning disable 1591, 0612, 3021, 8981
 #region Designer generated code
 
 using pb = global::Google.Protobuf;