diff --git a/meson.build b/meson.build
index 46446cd8d..199ac1fe9 100644
--- a/meson.build
+++ b/meson.build
@@ -31,7 +31,9 @@ project(
 )
 
 cpp = meson.get_compiler('cpp')
-args = cpp.get_supported_arguments(['/bigobj'])
+# Hide two noisy MSVC warnings (C4251/C4275) about standard-library types used in
+# our public classes. They're harmless because the whole library ships as one DLL.
+args = cpp.get_supported_arguments(['/bigobj', '/wd4251', '/wd4275'])
 add_project_arguments(args, language: 'cpp')
 
 subdir('src')