diff --git a/hgext/narrow/narrowbundle2.py b/hgext/narrow/narrowbundle2.py
--- a/hgext/narrow/narrowbundle2.py
+++ b/hgext/narrow/narrowbundle2.py
@@ -120,7 +120,6 @@ def generate_ellipses_bundle2_for_wideni
     newexclude,
     version,
     common,
-    heads,
     known,
     depth,
 ):
@@ -132,7 +131,6 @@ def generate_ellipses_bundle2_for_wideni
         if depth < 1:
             raise error.Abort(_(b'depth must be positive, got %d') % depth)
 
-    heads = set(heads or repo.heads())
     common = set(common or [nullid])
     # Steps:
     # 1. Send kill for "$known & ::common"
diff --git a/hgext/narrow/narrowwirepeer.py b/hgext/narrow/narrowwirepeer.py
--- a/hgext/narrow/narrowwirepeer.py
+++ b/hgext/narrow/narrowwirepeer.py
@@ -129,7 +129,6 @@ def narrow_widen(
                 newexcludes,
                 cgversion,
                 common,
-                list(common),
                 known,
                 None,
             )