diff --git a/client/styles/components/_editor.scss b/client/styles/components/_editor.scss
index cf2a744b..ad455a00 100644
--- a/client/styles/components/_editor.scss
+++ b/client/styles/components/_editor.scss
@@ -27,18 +27,6 @@
 	padding-left: #{5 / $base-font-size}rem;
 }
 
-.CodeMirror-activeline-background {
-  background-color: rgba(0,0,0,0.025) !important;
-}
-.CodeMirror-linebackground {
-  
-}
-
-.line-runtime-error {
-  background-color: #ffaaaa !important;
-  border-radius: 5px;
-}
-
 .CodeMirror-gutter-wrapper {
   right: 100%;
   top: 0;
@@ -92,16 +80,6 @@
   width: #{48 / $base-font-size}rem;
 }
 
-.CodeMirror-guttermarker-subtle {
-  
-}
-.CodeMirror-foldgutter-folded {
-  
-}
-.CodeMirror-foldgutter-open {
-  
-}
-
 .editor-holder {
   height: calc(100% - #{29 / $base-font-size}rem);
   width: 100%;