diff --git a/build/args/all.gn b/build/args/all.gn
index b074e0ecb3..340e10b896 100644
--- a/build/args/all.gn
+++ b/build/args/all.gn
@@ -24,10 +24,6 @@ enable_printing = true
 angle_enable_vulkan_validation_layers = false
 dawn_enable_vulkan_validation_layers = false
 
-# Removes dxc dll's that are only used experimentally.
-# See https://bugs.chromium.org/p/chromium/issues/detail?id=1474897
-dawn_use_built_dxc = false
-
 # These are disabled because they cause the zip manifest to differ between
 # testing and release builds.
 # See https://chromium-review.googlesource.com/c/chromium/src/+/2774898.
diff --git a/script/zip_manifests/dist_zip.win.arm64.manifest b/script/zip_manifests/dist_zip.win.arm64.manifest
index 5d8deb41a5..fc2445e888 100644
--- a/script/zip_manifests/dist_zip.win.arm64.manifest
+++ b/script/zip_manifests/dist_zip.win.arm64.manifest
@@ -8,6 +8,8 @@ ffmpeg.dll
 icudtl.dat
 libEGL.dll
 libGLESv2.dll
+dxil.dll
+dxcompiler.dll
 locales/af.pak
 locales/am.pak
 locales/ar.pak
diff --git a/script/zip_manifests/dist_zip.win.x64.manifest b/script/zip_manifests/dist_zip.win.x64.manifest
index 5d8deb41a5..fc2445e888 100644
--- a/script/zip_manifests/dist_zip.win.x64.manifest
+++ b/script/zip_manifests/dist_zip.win.x64.manifest
@@ -8,6 +8,8 @@ ffmpeg.dll
 icudtl.dat
 libEGL.dll
 libGLESv2.dll
+dxil.dll
+dxcompiler.dll
 locales/af.pak
 locales/am.pak
 locales/ar.pak