diff --git a/profiles/default/amd64/package.use b/profiles/default/amd64/package.use
deleted file mode 100644
index 70d0ad3fb..000000000
--- a/profiles/default/amd64/package.use
+++ /dev/null
@@ -1 +0,0 @@
-www-client/firefox lto
diff --git a/profiles/default/package.use/default b/profiles/default/package.use/default
index a6839f439..5ce5df9f2 100644
--- a/profiles/default/package.use/default
+++ b/profiles/default/package.use/default
@@ -364,7 +364,7 @@ app-admin/conky imlib
 media-libs/opencv contrib_hdf
 
 # force-enable hardware-accelerated rendering, disable branding, disable screenshot extension
-www-client/firefox hwaccel bindist -screenshot -pgo -lto
+www-client/firefox hwaccel bindist -screenshot -pgo lto -cpu_flags_x86_avx2
 
 # DRI3 support, UMA Acceleration Architecture
 x11-drivers/xf86-video-intel dri3 uxa