My Devel block is displaying the Performance, Switch Users and Execute PHP blocks as well in the sidebar, making it very unsightly and bloated as well.

I can't see what I could have done to cause that and wonder if it is due to some interaction with some third-party module.

What could have caused that?

EDIT: I hve added the code for the block to low. There seems to a lot of admin-pane-xxxx classes and IDs there, and I suspect it has something to do with Admin menu. I have also checked devel on other installations, and they don't display this behaviour. I have asked a related question regarding how to locate where code for a particular block is being generated.

<div class="block block-admin contextual-links-region collapsiblock-processed admin-processed" id="block-admin-devel">

    <h2 class="title collapsiblock"><a role="link" href="#">Devel</a></h2>
  <div class="contextual-links-wrapper contextual-links-processed"><a href="#" class="contextual-links-trigger">Configure</a><ul class="contextual-links"><li class="block-configure first last"><a href="/admin/structure/block/manage/admin/devel/configure?destination=admin/structure/block">Configure block</a></li>
  <div class="content">
    <form accept-charset="UTF-8" id="admin-block-devel-form" method="post" action="/admin/structure/block"><div><div class="admin-panes clearfix  processed">

          <div class="admin-pane admin-pane-active admin-pane-performance">
        <h2 class="admin-pane-title"><a class="admin-pane-active active" href="/admin/structure/block#admin-pane-performance">Performance</a></h2>
        <div class="admin-pane-content clearfix"><div class="item-list"><ul><li class="dev-timer first"><div class="dev-info"></div></li>
<li class="dev-memory-usage last"><div class="dev-info"></div></li>
                <div class="admin-pane  admin-pane-switch_user">
        <h2 class="admin-pane-title"><a class=" active" href="/admin/structure/block#admin-pane-switch_user">Switch user</a></h2>
        <div class="admin-pane-content clearfix"><ul class="links clearfix"><li class="1 first"><a title="This user can switch back." href="/devel/switch/admin?destination=admin/structure/block&amp;token=D1XQMmu5YkZ3s5fmg1HjPNbpJEWdfz9BkeIjQPjFqDg"><strong><em class="placeholder">admin</em></strong></a></li>
<li class="3"><a title="Caution: this user will be unable to switch back." href="/devel/switch/seetop?destination=admin/structure/block&amp;token=4zXMi8I2marB9l1FMwGzbC9845NRnmLqEFe_7pC4HGE">seetop</a></li>
<li class="2 last"><a title="Caution: this user will be unable to switch back." href="/devel/switch/c3pio?destination=admin/structure/block&amp;token=FPTt2bcUUJr8YYRwD4mcoliAWNijuZ79sqZaFoz3Hgs">c3pio</a></li>
</ul><div class="form-item form-type-textfield form-item-username" role="application">
 <input type="text" class="form-text form-autocomplete" maxlength="60" size="16" value="" name="username" id="edit-username" autocomplete="OFF" aria-autocomplete="list"><input type="hidden" class="autocomplete autocomplete-processed" disabled="disabled" value="https://cc5.rca2.net/user/autocomplete" id="edit-username-autocomplete">
<div class="description">Enter username</div>
<span aria-live="assertive" class="element-invisible" id="edit-username-autocomplete-aria-live"></span></div>
<input type="submit" class="form-submit" value="Switch" name="op" id="edit-submit--3"></div>
                <div class="admin-pane  admin-pane-execute">
        <h2 class="admin-pane-title"><a class=" active" href="/admin/structure/block#admin-pane-execute">Execute PHP</a></h2>
        <div class="admin-pane-content clearfix"><div class="form-item form-type-textarea form-item-code">
  <label for="edit-code">PHP code to execute </label>
 <div class="form-textarea-wrapper resizable textarea-processed resizable-textarea"><textarea class="form-textarea" rows="20" cols="60" name="code" id="edit-code"></textarea><div class="grippie"></div></div>
<div class="description">Enter some code. Do not use <code>&lt;?php ?&gt;</code> tags.</div>
<input type="submit" class="form-submit" value="Execute" name="op" id="edit-op"></div>
                <div class="admin-pane  admin-pane-menu">
        <h2 class="admin-pane-title"><a class=" active" href="/admin/structure/block#admin-pane-menu">Other tools</a></h2>
        <div class="admin-pane-content clearfix"><ul class="menu"><ul class="menu"><li class="first leaf"><a title="Helper functions, pages, and blocks to assist Drupal developers. The devel blocks can be managed via the block administration page." href="/devel/settings">Devel settings</a></li>
<li class="leaf"><a title="Clear the CSS cache and all database cache tables which store page, node, theme and variable caches." href="/devel/cache/clear?destination=admin/structure/block">Empty cache</a></li>
<li class="leaf"><a title="View entity information across the whole site." href="/devel/entity/info">Entity info</a></li>
<li class="leaf"><a title="Execute some PHP code" href="/devel/php">Execute PHP Code</a></li>
<li class="leaf"><a title="View fields information across the whole site." href="/devel/field/info">Field info</a></li>
<li class="leaf"><a title="View a list of currently defined user functions with documentation links." href="/devel/reference">Function reference</a></li>
<li class="leaf"><a title="View the active form/render elements for this site." href="/devel/elements">Hook_elements()</a></li>
<li class="leaf"><a title="Details about a given menu item." href="/devel/menu/item?path=admin/structure/block">Menu item</a></li>
<li class="leaf"><a title="View your server's PHP configuration" href="/devel/phpinfo">PHPinfo()</a></li>
<li class="leaf"><a title="Rebuild menu based on hook_menu() and revert any custom changes. All menu items return to their default settings." href="/devel/menu/reset?destination=admin/structure/block">Rebuild menus</a></li>
<li class="leaf"><a title="Run hook_uninstall() and then hook_install() for a given module." href="/devel/reinstall?destination=admin/structure/block">Reinstall modules</a></li>
<li class="leaf"><a href="/devel/run-cron">Run cron</a></li>
<li class="leaf"><a title="List the contents of $_SESSION." href="/devel/session">Session viewer</a></li>
<li class="leaf"><a title="View a list of available theme functions across the whole site." href="/devel/theme/registry">Theme registry</a></li>
<li class="last leaf"><a title="Edit and delete site variables." href="/devel/variable?destination=admin/structure/block">Variable editor</a></li>

<input type="hidden" value="form-9uJFBQ4hH879iRN_QBUrp46oNTDoops6Xvd5qoDSHkw" name="form_build_id">
<input type="hidden" value="hAmptoPteO_NNJXwFsRyruXJkKuh5LEmMFGxvtEqAkQ" name="form_token">
<input type="hidden" value="admin_block_devel_form" name="form_id">
</div></form>  </div>
  • 1
    Not quite clear what is the problem; where else do you see those links? Also if you believe it's an issue caused by some other module, you should tell something about the site setup itself. Commented Oct 30, 2013 at 17:09
  • What were you expecting the Devel block to show? Or were you not expecting to have a Devel block at all?
    – Beebee
    Commented Oct 31, 2013 at 11:33

2 Answers 2


Go to Structure >> Blocks and disable those blocks from your sidebar region


It turns out that the Admin module adds an additional enhanced block that combines those blocks into one, which is called Devel and I was activating it instead of using the Devel modules own blocks

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