diff --git a/tests/test-bundle2-exchange.t b/tests/test-bundle2-exchange.t
--- a/tests/test-bundle2-exchange.t
+++ b/tests/test-bundle2-exchange.t
@@ -16,7 +16,6 @@ enable obsolescence
   $ cat >> $HGRCPATH << EOF
   > [experimental]
   > evolution=createmarkers,exchange
-  > bundle2-exp=True
   > bundle2-output-capture=True
   > [ui]
   > ssh=python "$TESTDIR/dummyssh"
diff --git a/tests/test-bundle2-format.t b/tests/test-bundle2-format.t
--- a/tests/test-bundle2-format.t
+++ b/tests/test-bundle2-format.t
@@ -227,7 +227,6 @@ Create an extension to test bundle2 API
   > [extensions]
   > bundle2=$TESTTMP/bundle2.py
   > [experimental]
-  > bundle2-exp=True
   > evolution=createmarkers
   > [ui]
   > ssh=python "$TESTDIR/dummyssh"
diff --git a/tests/test-bundle2-multiple-changegroups.t b/tests/test-bundle2-multiple-changegroups.t
--- a/tests/test-bundle2-multiple-changegroups.t
+++ b/tests/test-bundle2-multiple-changegroups.t
@@ -33,8 +33,6 @@ Create an extension to test bundle2 with
   > EOF
 
   $ cat >> $HGRCPATH << EOF
-  > [experimental]
-  > bundle2-exp=True
   > [ui]
   > logtemplate={rev}:{node|short} {phase} {author} {bookmarks} {desc|firstline}
   > EOF
diff --git a/tests/test-bundle2-pushback.t b/tests/test-bundle2-pushback.t
--- a/tests/test-bundle2-pushback.t
+++ b/tests/test-bundle2-pushback.t
@@ -50,8 +50,6 @@ Enable extension
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > bundle2=$TESTTMP/bundle2.py
-  > [experimental]
-  > bundle2-exp = True
   > EOF
 
 Without config
diff --git a/tests/test-bundle2-remote-changegroup.t b/tests/test-bundle2-remote-changegroup.t
--- a/tests/test-bundle2-remote-changegroup.t
+++ b/tests/test-bundle2-remote-changegroup.t
@@ -78,8 +78,6 @@ Start a simple HTTP server to serve bund
   $ cat dumb.pid >> $DAEMON_PIDS
 
   $ cat >> $HGRCPATH << EOF
-  > [experimental]
-  > bundle2-exp=True
   > [ui]
   > ssh=python "$TESTDIR/dummyssh"
   > logtemplate={rev}:{node|short} {phase} {author} {bookmarks} {desc|firstline}