diff --git a/src/vs/editor/contrib/folding/browser/folding.css b/src/vs/editor/contrib/folding/browser/folding.css
index 31631f54d65..bd952d663a2 100644
--- a/src/vs/editor/contrib/folding/browser/folding.css
+++ b/src/vs/editor/contrib/folding/browser/folding.css
@@ -18,7 +18,6 @@
 	left:0;
 	right: 0;
 	bottom: 0;
-	z-index: -1;
 	content: "";
 	opacity: 0;
 	transition: opacity 0.5s;