diff --git a/core/test/autoload-buffers.el b/core/test/autoload-buffers.el
index b1c39fc6e..1594426f5 100644
--- a/core/test/autoload-buffers.el
+++ b/core/test/autoload-buffers.el
@@ -14,6 +14,7 @@
               (window-min-width 0)
               persp-mode
               ,@buffers)
+         (delete-other-windows)
          ,@body
          (let (kill-buffer-query-functions kill-buffer-hook)
            (mapc #'kill-buffer (buffer-list)))))))