diff --git a/qt/aqt/editor.py b/qt/aqt/editor.py
index a03483e65..c1049a9ad 100644
--- a/qt/aqt/editor.py
+++ b/qt/aqt/editor.py
@@ -1345,10 +1345,6 @@ class EditorWebView(AnkiWebView):
         if not mime.hasHtml():
             return
         html = mime.html()
-        if is_win and qtmajor == 6:
-            # workaround Qt including CF_HTML header in clipboard
-            # FIXME: remove after we switch to Qt 6.2.5/6.3.1+.
-            html = re.sub(r"^Version:0.9(.|\r|\n)+?SourceURL:.*?\r\n", "", html)
         mime.setHtml(f"<!--anki-->{html}")
         aqt.mw.progress.timer(10, lambda: clip.setMimeData(mime), False, parent=self)