diff --git a/src/theme/book.css b/src/theme/book.css
index 6013ab1b..086bd78f 100644
--- a/src/theme/book.css
+++ b/src/theme/book.css
@@ -132,12 +132,6 @@ table thead td {
   padding-left: 20px;
   line-height: 1.9em;
 }
-.section li {
-  -o-text-overflow: ellipsis;
-  text-overflow: ellipsis;
-  overflow: hidden;
-  white-space: nowrap;
-}
 .page-wrapper {
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
diff --git a/src/theme/stylus/sidebar.styl b/src/theme/stylus/sidebar.styl
index b641cf52..5d30d8b8 100644
--- a/src/theme/stylus/sidebar.styl
+++ b/src/theme/stylus/sidebar.styl
@@ -53,10 +53,4 @@
     list-style: none outside none
     padding-left: 20px
     line-height: 1.9em
-
-    li {
-        text-overflow: ellipsis
-        overflow: hidden
-        white-space: nowrap
-    }
 }