diff --git a/third_party/llvm-10.0/BUILD.gn b/third_party/llvm-10.0/BUILD.gn
index 59e5230..1c3dafa 100644
--- a/third_party/llvm-10.0/BUILD.gn
+++ b/third_party/llvm-10.0/BUILD.gn
@@ -72,6 +72,8 @@
       "-Wno-unused-private-field",
       "-Wno-unused-result",
       "-Wno-unused-variable",
+      "-Wno-unnecessary-virtual-specifier",
+      "-Wno-unique-object-duplication",
     ]
   }