diff --git a/src/vs/editor/browser/viewParts/indentGuides/indentGuides.css b/src/vs/editor/browser/viewParts/indentGuides/indentGuides.css
index a4793a66044505dc3ce8291db70371114e7c74e8..7cd5f89fd9f0c0194274802c993a4dbe03f0cae5 100644
--- a/src/vs/editor/browser/viewParts/indentGuides/indentGuides.css
+++ b/src/vs/editor/browser/viewParts/indentGuides/indentGuides.css
@@ -9,14 +9,5 @@
 */
 .monaco-editor .lines-content .cigr {
 	position: absolute;
-	background: lightgray;
 	width: 1px;
 }
-
-.monaco-editor.vs-dark .lines-content .cigr {
-	background: #404040;
-}
-
-.monaco-editor.hc-black .lines-content .cigr {
-	background: #ffffff;
-}