diff --git a/packages/notebook-extension/style/base.css b/packages/notebook-extension/style/base.css
index 1df99de9ff..0dedb07d5c 100644
--- a/packages/notebook-extension/style/base.css
+++ b/packages/notebook-extension/style/base.css
@@ -35,7 +35,6 @@ body[data-notebook='notebooks'] .jp-WindowedPanel-outer {
 }
 
 body[data-notebook='notebooks'] .jp-WindowedPanel-inner {
-  max-width: var(--jp-notebook-max-width);
   margin-top: var(--jp-notebook-toolbar-margin-bottom);
 }