diff --git a/infra/cros_args.gn b/infra/cros_args.gn
index a88a7600..61e90a05 100644
--- a/infra/cros_args.gn
+++ b/infra/cros_args.gn
@@ -30,19 +30,21 @@ enable_ffmpeg_video_decoders = true
 is_component_ffmpeg = true
 use_webaudio_ffmpeg = false
 use_webaudio_pffft = true
-enable_av1_decoder = true
-enable_dav1d_decoder = true
-use_vr_assets_component = true
+# enable_av1_decoder = true
+# enable_dav1d_decoder = true
 enable_widevine = true
 bundle_widevine_cdm = false
 enable_media_drm_storage = true
 enable_media_overlay = true
 enable_hangout_services_extension = true
 rtc_use_h264 = true
+rtc_use_lto = true
 rtc_include_ilbc = true
+# rtc_build_with_neon = true
 rtc_build_examples = false
 # rtc_enable_avx2 = true
 enable_vr = true
+use_vr_assets_component = true
 enable_platform_hevc = true
 enable_hevc_parser_and_hw_decoder = true
 enable_platform_ac3_eac3_audio = true