diff --git a/src/IDF/Views/Wiki.php b/src/IDF/Views/Wiki.php
index 4d0333e..7b87bb2 100644
--- a/src/IDF/Views/Wiki.php
+++ b/src/IDF/Views/Wiki.php
@@ -139,7 +139,7 @@ class IDF_Views_Wiki
         if (isset($request->GET['rev']) and preg_match('/^[0-9]+$/', $request->GET['rev'])) {
             $oldrev = Pluf_Shortcuts_GetObjectOr404('IDF_WikiRevision',
                                                     $request->GET['rev']);
-            if ($oldrev->wikipage != $page->id) {
+            if ($oldrev->wikipage != $page->id or $oldrev->is_head == true) {
                 throw new Pluf_HTTP_Error404($request);
             }
         }
@@ -162,6 +162,46 @@ class IDF_Views_Wiki
     }
 
     /**
+     * Remove a revision of a page.
+     */
+    public $deleteRev_precond = array('IDF_Precondition::accessWiki',
+                                      'IDF_Precondition::projectMemberOrOwner');
+    public function deleteRev($request, $match)
+    {
+        $prj = $request->project;
+        $oldrev = Pluf_Shortcuts_GetObjectOr404('IDF_WikiRevision', $match[2]);
+        $page = $oldrev->get_wikipage();
+        $prj->inOr404($page);
+        if ($oldrev->is_head == true) {
+            throw new Pluf_HTTP_Error404($request);
+        }
+        if ($request->method == 'POST') {
+            $oldrev->delete();
+            $request->user->setMessage(__('The old revision has been deleted.'));
+            $url = Pluf_HTTP_URL_urlForView('IDF_Views_Wiki::view', 
+                                            array($prj->shortname, $page->title));
+            return new Pluf_HTTP_Response_Redirect($url);
+        }
+
+        $title = sprintf(__('Delete Old Revision of %s'), $page->title);
+        $revision = $page->get_current_revision();
+        $db = $page->getDbConnection();
+        $false = Pluf_DB_BooleanToDb(false, $db);
+        $revs = $page->get_revisions_list(array('order' => 'creation_dtime DESC',
+                                                'filter' => 'is_head='.$false));
+        return Pluf_Shortcuts_RenderToResponse('idf/wiki/delete.html',
+                                               array(
+                                                     'page_title' => $title,
+                                                     'page' => $page,
+                                                     'oldrev' => $oldrev,
+                                                     'rev' => $revision,
+                                                     'revs' => $revs,
+                                                     'tags' => $page->get_tags_list(),
+                                                     ),
+                                               $request);
+    }
+
+    /**
      * View a documentation page.
      */
     public $update_precond = array('IDF_Precondition::accessWiki',
diff --git a/src/IDF/conf/urls.php b/src/IDF/conf/urls.php
index f59584d..bf91384 100644
--- a/src/IDF/conf/urls.php
+++ b/src/IDF/conf/urls.php
@@ -215,6 +215,12 @@ $ctl[] = array('regex' => '#^/p/([\-\w]+)/doc/update/(.*)/$#',
                'model' => 'IDF_Views_Wiki',
                'method' => 'update');
 
+$ctl[] = array('regex' => '#^/p/([\-\w]+)/doc/delrev/(\d+)/$#',
+               'base' => $base,
+               'priority' => 4,
+               'model' => 'IDF_Views_Wiki',
+               'method' => 'deleteRev');
+
 $ctl[] = array('regex' => '#^/p/([\-\w]+)/page/(.*)/$#',
                'base' => $base,
                'priority' => 4,
diff --git a/src/IDF/templates/idf/wiki/delete.html b/src/IDF/templates/idf/wiki/delete.html
new file mode 100644
index 0000000..813f088
--- /dev/null
+++ b/src/IDF/templates/idf/wiki/delete.html
@@ -0,0 +1,46 @@
+{extends "idf/wiki/base.html"}
+{block extraheader}{if $oldrev}<meta name="ROBOTS" content="NOINDEX" />{/if}{/block}
+{block docclass}yui-t3{assign $inView=true}{/block}
+{block body}
+
+{assign $submitter = $oldrev.get_submitter()}{aurl 'url', 'IDF_Views_Wiki::view', array($project.shortname, $page.title)}
+<div class="old-rev">
+<p>{blocktrans}You are looking at an old revision (<em>{$oldrev.summary}</em>) of the page 
+<a href="{$url}">{$page.title}</a>. This revision was created
+by {$submitter}.{/blocktrans}</p>
+</div>
+<p>{blocktrans}If you delete this old revision, it will be removed from the database and <strong>you will not be able to recover it</strong>.{/blocktrans}</p>
+<form method="post" action=".">
+<table class="form" summary="">
+<tr>
+<td>&nbsp;</td>
+<td><input type="submit" value="{trans 'Delete Revision'}" name="submit" /> | <a href="{url 'IDF_Views_Wiki::view', array($project.shortname, $page.title)}">{trans 'Cancel'}</a> 
+</td>
+</tr>
+</table>
+</form>
+
+<p class="desc">{$page.summary}</p>
+
+{markdown $oldrev.content, $request}
+
+{/block}
+{block context}
+{assign $submitter = $page.get_submitter()}
+<p><strong>{trans 'Created:'}</strong> <span class="nobrk">{$page.creation_dtime|dateago}</span><br /><span class="nobrk">{blocktrans}by {$submitter}{/blocktrans}</span></p>
+{if $rev.creation_dtime != $page.creation_dtime}<p>{assign $submitter = $rev.get_submitter()}
+<strong>{trans 'Updated:'}</strong> <span class="nobrk">{$rev.creation_dtime|dateago}</span><br /><span class="nobrk">{blocktrans}by {$submitter}{/blocktrans}</span></p>{/if}
+{if $tags.count()}
+<p>
+<strong>{trans 'Labels:'}</strong><br />
+{foreach $tags as $tag}
+<span class="label"><strong>{$tag.class}:</strong>{$tag.name}</span><br />
+{/foreach}
+</p>{/if}
+{if $revs.count() > 0}
+<p><strong>{trans 'Old Revisions'}</strong></p>
+<ul>{foreach $revs as $old}
+<li><a href="{url 'IDF_Views_Wiki::view', array($project.shortname, $page.title), array('rev'=>$old.id)}">{$old.summary}</a></li>
+{/foreach}</ul>
+{/if}
+{/block}
diff --git a/src/IDF/templates/idf/wiki/view.html b/src/IDF/templates/idf/wiki/view.html
index 4d457eb..838eaa2 100644
--- a/src/IDF/templates/idf/wiki/view.html
+++ b/src/IDF/templates/idf/wiki/view.html
@@ -18,6 +18,9 @@ by {$submitter}.{/blocktrans}</p>
 {markdown $rev.content, $request}
 {else}
 {markdown $oldrev.content, $request}
+{if $isOwner or $isAdmin}{aurl 'url', 'IDF_Views_Wiki::deleteRev', array($project.shortname, $oldrev.id)}
+<p class="delp"><a href="{$url}" title="{trans 'Delete this revision'}"><img src="{media '/idf/img/trash.png'}" style="vertical-align: text-bottom;" alt="{trans 'Trash'}" /></a> <a href="{$url}">{trans 'Delete this revision'}</a></p>
+{/if}
 {/if}
 
 {/block}
diff --git a/www/media/idf/css/style.css b/www/media/idf/css/style.css
index 2335c09..444066e 100644
--- a/www/media/idf/css/style.css
+++ b/www/media/idf/css/style.css
@@ -598,3 +598,12 @@ div.old-rev {
   -moz-border-radius: 5px;
   -webkit-border-radius: 5px;
 }
+
+.delp { 
+  float: right; 
+  position: relative; 
+}
+
+.delp a { 
+  color: #a00;
+}