diff --git a/material/partials/nav-item.html b/material/partials/nav-item.html
index 587b02323..0b20847a8 100644
--- a/material/partials/nav-item.html
+++ b/material/partials/nav-item.html
@@ -15,7 +15,7 @@
     <label class="md-nav__link" for="{{ path }}">
       {{ nav_item.title }}
     </label>
-    <nav class="md-nav" data-md-component="collapsible" data-md-level="{{ level }}">
+    <nav class="md-nav" data-md-level="{{ level }}">
       <label class="md-nav__title" for="{{ path }}">
         {{ nav_item.title }}
       </label>
diff --git a/src/partials/nav-item.html b/src/partials/nav-item.html
index a45db77e7..64bb3ff08 100644
--- a/src/partials/nav-item.html
+++ b/src/partials/nav-item.html
@@ -52,11 +52,7 @@
     <label class="md-nav__link" for="{{ path }}">
       {{ nav_item.title }}
     </label>
-    <nav
-      class="md-nav"
-      data-md-component="collapsible"
-      data-md-level="{{ level }}"
-    >
+    <nav class="md-nav" data-md-level="{{ level }}">
       <label class="md-nav__title" for="{{ path }}">
         {{ nav_item.title }}
       </label>