How to remove duplication submenu items

[kamran12]

How to remove the duplicate entry of submenu in magento i have tried with many ways but still couldnt get answer kindly give me reply waiting.
Code is folllows:
" <a href="#" class="dropdown-toggle" data-toggle="dropdown">
<ul class="level0 dropdown-menu">
<li class="level1 nav-2-1 first parent dropdown-submenu">
<a href="http://trinitys..net/products/kits-trays.html" class="">Kits & Trays</a>
<ul class="level1 dropdown-menu">
<li class="level2 nav-2-1-1 first">
<li class="level2 nav-2-1-2">
<li class="level2 nav-2-1-3">
<li class="level2 nav-2-1-4">
<li class="level2 nav-2-1-5">
<li class="level2 nav-2-1-6">
<li class="level2 nav-2-1-7">
<li class="level2 nav-2-1-8">
<li class="level2 nav-2-1-9 last">
<li class="divider"/>
<li>
<a id="nav-parentlink" href="http://trinitys..net/products/kits-trays.html">Kits & Trays</a> "

[BluGallagher]

Check your categories. For each category you have a choice to make them visible or not.

Also check to see if there may be duplicate url keys( more than one category with the same url key)

~B.

[kamran12]

Thanks but still prob exist how can i hide our disabled the duplicate menu items.