diff --git a/eldoc-box.el b/eldoc-box.el
index ce6021f..f4f0b00 100644
--- a/eldoc-box.el
+++ b/eldoc-box.el
@@ -98,7 +98,8 @@ in that mode the childframe is cleared as soon as point moves."
     (inhibit-double-buffering . t)
     (drag-internal-border . t)
     (no-special-glyphs . t)
-    (desktop-dont-save . t))
+    (desktop-dont-save . t)
+    (tab-bar-lines . 0))
   "Frame parameters used to create the frame.")
 
 (defcustom eldoc-box-max-pixel-width 800