diff --git a/mpv.conf b/mpv.conf
index dbcdf18..4a8bf07 100644
--- a/mpv.conf
+++ b/mpv.conf
@@ -72,8 +72,3 @@ profile-desc=Fix abnormal stuttering when using auto-copy on >4K videos
 profile-cond=width >= 3840 and height >= 2160
 profile-restore=copy
 hwdec=auto-safe
-
-[fast-av1-thumbnails]
-profile-desc=Use mpv to generate thumbnails for AV1 videos, as it is significantly faster than ffmpeg
-profile-cond=p["video-format"] == "av1"
-script-opts-append=Thumbnailer-use_ffmpeg=no
diff --git a/script-opts/thumbnailer.conf b/script-opts/thumbnailer.conf
index 67f9db0..2ea9072 100644
--- a/script-opts/thumbnailer.conf
+++ b/script-opts/thumbnailer.conf
@@ -29,13 +29,13 @@ bitrate_delta_factor=1
 #update_time=0.25
 
 # Worker
-max_workers=4
+max_workers=8
 worker_remote_factor=1
 #worker_bitrate_factor=1
 #worker_delay=1
 #worker_timeout=5
 #accurate_seek=yes
-use_ffmpeg=yes
+#use_ffmpeg=yes
 #prefer_ffmpeg=yes
 ffmpeg_threads=2
 #ffmpeg_scaler=spline