diff --git a/common/app/routes/Challenges/views/classic/classic.less b/common/app/routes/Challenges/views/classic/classic.less
index 37f7ed5543..e4ca47aee7 100644
--- a/common/app/routes/Challenges/views/classic/classic.less
+++ b/common/app/routes/Challenges/views/classic/classic.less
@@ -4,7 +4,6 @@
 // challenge panes are bound to the pane size which in turn is
 // bound to the total height minus navbar height
 .max-element-height() {
-  height: 100%;
   overflow-x: hidden;
   overflow-y: auto;
 }
@@ -19,4 +18,4 @@
 .@{ns}-editor {
   .max-element-height();
   width: 100%;
-}
+}
\ No newline at end of file