diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 8d822a4194..2b9929d498 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -121,6 +121,7 @@
 		<li>[Fix] Correctly delete message attachments. (Bug #23755)</li>
 		<li>[Fix] Support (and retain) tabs in code blocks. (Bug #25445)</li>
 		<li>[Fix] Correctly handle unread status of subforums (that are not shown on the index) of forums that are shown on the index. (Bug #14589)</li>
+		<li>[Fix] Stop users from deleting posts after the edit time has passed or they have been locked. (Bug #19115)</li>
 
 		<li>[Change] No longer allow the direct use of MULTI_INSERT in sql_build_array. sql_multi_insert() must be used.</li>
 		<li>[Change] Display warning in ACP if config.php file is left writable.</li>
diff --git a/phpBB/posting.php b/phpBB/posting.php
index dbad69cf52..88f31bbe0a 100644
--- a/phpBB/posting.php
+++ b/phpBB/posting.php
@@ -1302,7 +1302,7 @@ $template->assign_vars(array(
 	'S_EDIT_REASON'				=> ($mode == 'edit' && $auth->acl_get('m_edit', $forum_id)) ? true : false,
 	'S_DISPLAY_USERNAME'		=> (!$user->data['is_registered'] || ($mode == 'edit' && $post_data['poster_id'] == ANONYMOUS)) ? true : false,
 	'S_SHOW_TOPIC_ICONS'		=> $s_topic_icons,
-	'S_DELETE_ALLOWED'			=> ($mode == 'edit' && (($post_id == $post_data['topic_last_post_id'] && $post_data['poster_id'] == $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id)) || $auth->acl_get('m_delete', $forum_id))) ? true : false,
+	'S_DELETE_ALLOWED'			=> ($mode == 'edit' && (($post_id == $post_data['topic_last_post_id'] && $post_data['poster_id'] == $user->data['user_id'] && $auth->acl_get('f_delete', $forum_id) && !$post_data['post_edit_locked'] && ($post_data['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time'])) || $auth->acl_get('m_delete', $forum_id))) ? true : false,
 	'S_BBCODE_ALLOWED'			=> $bbcode_status,
 	'S_BBCODE_CHECKED'			=> ($bbcode_checked) ? ' checked="checked"' : '',
 	'S_SMILIES_ALLOWED'			=> $smilies_status,
@@ -1411,11 +1411,11 @@ function upload_popup($forum_style = 0)
 */
 function handle_post_delete($forum_id, $topic_id, $post_id, &$post_data)
 {
-	global $user, $db, $auth;
+	global $user, $db, $auth, $config;
 	global $phpbb_root_path, $phpEx;
 
 	// If moderator removing post or user itself removing post, present a confirmation screen
-	if ($auth->acl_get('m_delete', $forum_id) || ($post_data['poster_id'] == $user->data['user_id'] && $user->data['is_registered'] && $auth->acl_get('f_delete', $forum_id) && $post_id == $post_data['topic_last_post_id']))
+	if ($auth->acl_get('m_delete', $forum_id) || ($post_data['poster_id'] == $user->data['user_id'] && $user->data['is_registered'] && $auth->acl_get('f_delete', $forum_id) && $post_id == $post_data['topic_last_post_id'] && !$post_data['post_edit_locked'] && ($post_data['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time'])))
 	{
 		$s_hidden_fields = build_hidden_fields(array(
 			'p'		=> $post_id,
diff --git a/phpBB/viewtopic.php b/phpBB/viewtopic.php
index 17e29fe60f..a0771d38c0 100644
--- a/phpBB/viewtopic.php
+++ b/phpBB/viewtopic.php
@@ -980,6 +980,7 @@ while ($row = $db->sql_fetchrow($result))
 		'post_edit_time'	=> $row['post_edit_time'],
 		'post_edit_reason'	=> $row['post_edit_reason'],
 		'post_edit_user'	=> $row['post_edit_user'],
+		'post_edit_locked'	=> $row['post_edit_locked'],
 
 		// Make sure the icon actually exists
 		'icon_id'			=> (isset($icons[$row['icon_id']]['img'], $icons[$row['icon_id']]['height'], $icons[$row['icon_id']]['width'])) ? $row['icon_id'] : 0,
@@ -1439,7 +1440,7 @@ for ($i = 0, $end = sizeof($post_list); $i < $end; ++$i)
 		'U_EDIT'			=> (!$user->data['is_registered']) ? '' : ((($user->data['user_id'] == $poster_id && $auth->acl_get('f_edit', $forum_id) && ($row['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time'])) || $auth->acl_get('m_edit', $forum_id)) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=edit&amp;f=$forum_id&amp;p={$row['post_id']}") : ''),
 		'U_QUOTE'			=> ($auth->acl_get('f_reply', $forum_id)) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=quote&amp;f=$forum_id&amp;p={$row['post_id']}") : '',
 		'U_INFO'			=> ($auth->acl_get('m_info', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "i=main&amp;mode=post_details&amp;f=$forum_id&amp;p=" . $row['post_id'], true, $user->session_id) : '',
-		'U_DELETE'			=> (!$user->data['is_registered']) ? '' : ((($user->data['user_id'] == $poster_id && $auth->acl_get('f_delete', $forum_id) && $topic_data['topic_last_post_id'] == $row['post_id'] && ($row['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time'])) || $auth->acl_get('m_delete', $forum_id)) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=delete&amp;f=$forum_id&amp;p={$row['post_id']}") : ''),
+		'U_DELETE'			=> (!$user->data['is_registered']) ? '' : ((($user->data['user_id'] == $poster_id && $auth->acl_get('f_delete', $forum_id) && $topic_data['topic_last_post_id'] == $row['post_id'] && !$row['post_edit_locked'] && ($row['post_time'] > time() - ($config['edit_time'] * 60) || !$config['edit_time'])) || $auth->acl_get('m_delete', $forum_id)) ? append_sid("{$phpbb_root_path}posting.$phpEx", "mode=delete&amp;f=$forum_id&amp;p={$row['post_id']}") : ''),
 
 		'U_PROFILE'		=> $user_cache[$poster_id]['profile'],
 		'U_SEARCH'		=> $user_cache[$poster_id]['search'],