diff --git a/build/config/gn/flags.windows.release.gn b/build/config/gn/flags.windows.release.gn
index 6bab9631..cb29336f 100644
--- a/build/config/gn/flags.windows.release.gn
+++ b/build/config/gn/flags.windows.release.gn
@@ -5,11 +5,39 @@ is_debug = false
 is_component_build = false
 is_official_build = true
 symbol_level = 0
-target_cpu = "x64"
-proprietary_codecs = true
-ffmpeg_branding = "Chrome"
+is_clang=true
+chrome_pgo_phase = 0
+proprietary_codecs=true
+
+enable_widevine=true
+exclude_unwind_tables=true
 google_api_key=""
 google_default_client_id=""
 google_default_client_secret=""
-chrome_pgo_phase = 0
+treat_warnings_as_errors=false
+use_official_google_api_keys=false
+use_unofficial_version_number=false
+
+target_cpu="x64"
+use_sysroot=false
+blink_symbol_level=0
+v8_symbol_level=0
+symbol_level=0
+
+ffmpeg_branding="Chrome"
+
+# OLD
+
+# use_siso=false
+# is_debug = false
+# is_component_build = false
+# is_official_build = true
+# symbol_level = 0
+# target_cpu = "x64"
+# proprietary_codecs = true
+# ffmpeg_branding = "Chrome"
+# google_api_key=""
+# google_default_client_id=""
+# google_default_client_secret=""
+# chrome_pgo_phase = 0