regenerate C# protos
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;
