diff --git a/bundle2-resolver/pushrebase/src/lib.rs b/bundle2-resolver/pushrebase/src/lib.rs
index 6e50c1d3aa..14b08017db 100644
--- a/bundle2-resolver/pushrebase/src/lib.rs
+++ b/bundle2-resolver/pushrebase/src/lib.rs
@@ -737,6 +737,11 @@ fn rebase_changeset(
         None => (),
     }
 
+    // Mutation information from the original commit must be stripped.
+    for key in &["mutpred", "mutuser", "mutdate", "mutop", "mutsplit"] {
+        bcs.extra.remove(*key);
+    }
+
     // Copy information in bonsai changeset contains a commit parent. So parent changes, then
     // copy information for all copied/moved files needs to be updated
     bcs.file_changes = bcs
diff --git a/tests/integration/test-pushrebase-mutation.t b/tests/integration/test-pushrebase-mutation.t
new file mode 100644
index 0000000000..f8edc20892
--- /dev/null
+++ b/tests/integration/test-pushrebase-mutation.t
@@ -0,0 +1,92 @@
+  $ . $TESTDIR/library.sh
+
+setup configuration
+  $ setup_common_config "blob:files"
+  $ cd $TESTTMP
+
+setup common configuration
+  $ setconfig ui.ssh="\"$DUMMYSSH\"" mutation.date="0 0"
+  $ enable amend
+
+  $ newrepo repo-hg
+  $ setup_hg_server
+  $ echo base > base
+  $ hg commit -Aqm base
+  $ hg bookmark master -r tip
+
+blobimport
+  $ cd $TESTTMP
+  $ blobimport repo-hg/.hg repo
+
+start mononoke
+  $ mononoke
+  $ wait_for_mononoke $TESTTMP/repo
+
+clone the repo
+  $ hgclone_treemanifest ssh://user@dummy/repo-hg client --noupdate --config extensions.remotenames= -q
+  $ cd client
+  $ setup_hg_client
+  $ enable pushrebase remotenames
+
+create a commit with mutation extras
+  $ hg up -q 0
+  $ echo 1 > 1 && hg add 1 && hg commit -m 1
+  $ echo 1a > 1 && hg amend -m 1a --config mutation.record=true
+  $ hg debugmutation .
+    62fddca11dc5682b0377a89881b0fff7c042b7c4 amend by test at 1970-01-01T00:00:00 from:
+      f0161ad23099c690115006c21e96f780f5d740b6
+
+pushrebase it directly onto master - it will be rewritten without the mutation extras
+  $ hgmn push -r . --to master
+  remote: * Session with Mononoke started with uuid: * (glob)
+  pushing rev 62fddca11dc5 to destination ssh://user@dummy/repo bookmark master
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 0 changes to 0 files (+1 heads)
+  updating bookmark master
+
+  $ tglog
+  o  3: a05b3505b7d1 '1a'
+  |
+  | @  2: 62fddca11dc5 '1a'
+  |/
+  o  0: d20a80d4def3 'base'
+  
+  $ hg debugmutation master
+    a05b3505b7d1aac5fd90b09a5f014822647ec205
+
+create another commit on the base commit with mutation extras
+  $ hg up 0
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ echo 2 > 2 && hg add 2 && hg commit -m 2
+  $ echo 2a > 2 && hg amend -m 2a --config mutation.record=true
+  $ hg debugmutation .
+    a805bbad06476c09727930617acfe8d6623f8d88 amend by test at 1970-01-01T00:00:00 from:
+      1b9fe529321657f93e84f23afaf9c855b9af34ff
+
+pushrebase it onto master - it will be rebased and rewritten without the mutation extras
+  $ hgmn push -r . --to master
+  remote: * Session with Mononoke started with uuid: * (glob)
+  pushing rev a805bbad0647 to destination ssh://user@dummy/repo bookmark master
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 0 changes to 0 files
+  updating bookmark master
+
+  $ tglog
+  o  6: 7042a534cddc '2a'
+  |
+  | @  5: a805bbad0647 '2a'
+  | |
+  o |  3: a05b3505b7d1 '1a'
+  |/
+  | o  2: 62fddca11dc5 '1a'
+  |/
+  o  0: d20a80d4def3 'base'
+  
+  $ hg debugmutation master
+    7042a534cddcd761aeea38446ce39590634568e8