diff --git a/client/ayon_core/plugins/publish/extract_thumbnail.py b/client/ayon_core/plugins/publish/extract_thumbnail.py
index f63dbe7f58..f3dd8369f3 100644
--- a/client/ayon_core/plugins/publish/extract_thumbnail.py
+++ b/client/ayon_core/plugins/publish/extract_thumbnail.py
@@ -50,7 +50,6 @@ class ExtractThumbnail(pyblish.api.InstancePlugin):
     # attribute presets from settings
     oiiotool_defaults = None
     ffmpeg_args = None
-    subsets = []
     product_names = []
 
     def process(self, instance):