diff --git a/app/views/projects/diffs/_parallel_view.html.haml b/app/views/projects/diffs/_parallel_view.html.haml
index 28aad3f4725..78aa9fb7391 100644
--- a/app/views/projects/diffs/_parallel_view.html.haml
+++ b/app/views/projects/diffs/_parallel_view.html.haml
@@ -1,5 +1,5 @@
 / Side-by-side diff view
-%div.text-file.diff-wrap-lines.code.file-content.js-syntax-highlight{ data: diff_view_data }
+%div.text-file.diff-wrap-lines.code.js-syntax-highlight{ data: diff_view_data }
   %table
     - last_line = 0
     - diff_file.parallel_diff_lines.each do |line|