diff --git a/meson.build b/meson.build
index 1aaa2a78..17983030 100644
--- a/meson.build
+++ b/meson.build
@@ -80,12 +80,11 @@ endif
 # ====================
 
 # Suppress warnings
-global_args += ['-Wno-non-virtual-dtor', '-Wno-reorder', '-Wno-uninitialized', '-Wno-unknown-pragmas', '-Wno-unknown-warning-option', '-Wno-deprecated-register']
+global_args += ['-Wno-non-virtual-dtor', '-Wno-reorder', '-Wno-uninitialized', '-Wno-unknown-pragmas']
 if compilers['cpp'].get_id() == 'clang'
     global_args += ['-Wno-undefined-var-template', '-Wno-delete-non-abstract-non-virtual-dtor']
 endif
 if host_system == 'windows'
-    global_args += '-Wno-unknown-attributes'
     if compilers['cpp'].get_id() != 'clang'
         global_args += '-masm=intel'
     endif