#306

backend/app/services/material_version_recorder.rb

@@ -49,9 +49,6 @@ class MaterialVersionRecorder < VersionRecorder
     return @file_snapshot if @file_snapshot
     return empty_file_snapshot unless blob
 
-    blob.metadata['sha256'] ||= MaterialFileSha256.from_blob(blob)
-    blob.save! if blob.changed?
-
     { file_blob_id: blob.id,
       file_filename: blob.filename.to_s,
       file_content_type: blob.content_type,