diff --git a/frontend/app/components/thread/_theme_dark/thread_theme_dark.scss b/frontend/app/components/thread/_theme_dark/thread_theme_dark.scss
index 9bd1f8a9..c6c177b8 100644
--- a/frontend/app/components/thread/_theme_dark/thread_theme_dark.scss
+++ b/frontend/app/components/thread/_theme_dark/thread_theme_dark.scss
@@ -1,7 +1,3 @@
 .thread_theme_dark {
   border-left-color: rgba(255, 255, 255, 0.35);
 }
-
-.thread_theme_dark.thread_level_6 {
-  border-left-color: rgba(255, 255, 255, 0.2);
-}
diff --git a/frontend/app/components/thread/thread.scss b/frontend/app/components/thread/thread.scss
index 9117c12c..b735d1a3 100644
--- a/frontend/app/components/thread/thread.scss
+++ b/frontend/app/components/thread/thread.scss
@@ -3,11 +3,7 @@
   border-left: 1px dotted rgba(0, 0, 0, 0.15);
 }
 
-.thread_level_5,
 .thread_level_6 {
-  padding-left: 5px;
-}
-
-.thread_level_6 {
-  border-left: 1px dotted rgba(0, 0, 0, 0.08);
+  border-left: none;
+  padding-left: 0;
 }