diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -677,6 +677,7 @@
     ('a', 'abort', False, _('abort an interrupted rebase')),
     ('', 'auto-orphans', '', _('automatically rebase orphan revisions '
                                'in the specified revset (EXPERIMENTAL)')),
+    ('', 'no-backup', False, _('do not save backup copies of files')),
      ] + cmdutil.dryrunopts + cmdutil.formatteropts,
     _('[-s REV | -b REV] [-d REV] [OPTION]'))
 def rebase(ui, repo, **opts):
@@ -879,6 +880,7 @@
         destspace = opts.get('_destspace')
         contf = opts.get('continue')
         abortf = opts.get('abort')
+        backup = not opts.get('no_backup')
         if opts.get('interactive'):
             try:
                 if extensions.find('histedit'):
@@ -909,7 +911,7 @@
                 ms = mergemod.mergestate.read(repo)
                 mergeutil.checkunresolved(ms)
 
-            retcode = rbsrt._prepareabortorcontinue(abortf)
+            retcode = rbsrt._prepareabortorcontinue(abortf, backup=backup)
             if retcode is not None:
                 return retcode
         else:
diff --git a/tests/test-rebase-abort.t b/tests/test-rebase-abort.t
--- a/tests/test-rebase-abort.t
+++ b/tests/test-rebase-abort.t
@@ -501,3 +501,50 @@
   rebase aborted
   $ cd ..
 
+=========================
+Test --no-backup option |
+=========================
+  $ hg init nobackup
+  $ cd nobackup
+  $ echo a>a
+  $ hg ci -qAma
+  $ echo b>b
+  $ hg ci -qAmb
+  $ echo c>c
+  $ hg ci -qAmc
+  $ hg up 0 -q
+  $ echo conflict>c
+  $ hg ci -Am "conflict with c"
+  adding c
+  created new head
+  $ hg log -GT "{rev}: {firstline(desc)}\n"
+  @  3: conflict with c
+  |
+  | o  2: c
+  | |
+  | o  1: b
+  |/
+  o  0: a
+  
+  $ hg rebase -s 1 -d .
+  rebasing 1:d2ae7f538514 "b"
+  rebasing 2:177f92b77385 "c"
+  merging c
+  warning: conflicts while merging c! (edit, then use 'hg resolve --mark')
+  unresolved conflicts (see hg resolve, then hg rebase --continue)
+  [1]
+When --no-backup flag is not passed:
+  $ hg rebase --abort
+  saved backup bundle to $TESTTMP/nobackup/.hg/strip-backup/518b9bc3afb6-6c356d34-backup.hg
+  rebase aborted
+  $ hg rebase -s 1 -d .
+  rebasing 1:d2ae7f538514 "b"
+  rebasing 2:177f92b77385 "c"
+  merging c
+  warning: conflicts while merging c! (edit, then use 'hg resolve --mark')
+  unresolved conflicts (see hg resolve, then hg rebase --continue)
+  [1]
+When --no-backup flag is passed:
+  $ hg rebase --abort --no-backup
+  rebase aborted
+  $ cd ..