diff -r ccdd280d1d0d -r 80164d50ae3d mercurial/revlog.py
--- a/mercurial/revlog.py	Tue May 04 02:52:24 2021 +0200
+++ b/mercurial/revlog.py	Tue May 04 02:55:56 2021 +0200
@@ -459,7 +459,7 @@
         opts = self.opener.options
 
         if b'revlogv2' in opts:
-            new_header = REVLOGV2 | FLAG_INLINE_DATA
+            new_header = REVLOGV2
         elif b'revlogv1' in opts:
             new_header = REVLOGV1 | FLAG_INLINE_DATA
             if b'generaldelta' in opts: