diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index dc62705..794a36e 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -1945,6 +1945,7 @@
         slist->add(t:tabvar)
       endfor
       assert_equal(['global', 'buf', 'win', 'tab', '1', '2', '3', '4'], slist)
+      unlet! g:globalvar b:bufvar w:winvar t:tabvar
   END
   CheckDefAndScriptSuccess(lines)
 
diff --git a/src/version.c b/src/version.c
index 3517510..36aa840 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2088,
+/**/
     2087,
 /**/
     2086,