В скинах, Board Index -> PageTop удалить <table cellspacing="0" class="newslink">
<tr>
<td><b>{$this->ipsclass->lang['welcome_back_text']}: <span>$lastvisit</span></b><!-- IBF.NEWSLINK --></td>
<td align="right" valign="middle">
<if="$this->ipsclass->member['id'] == 0">
<form action="{$this->ipsclass->base_url}act=Login&CODE=01&CookieDate=1" method="post">
<input type="text" size="20" name="UserName" onfocus="focus_username(this)" value="{$this->ipsclass->lang['qli_name']}" />
<input type="password" size="20" name="PassWord" onfocus="focus_password(this)" value="------" />
<input class="button" type="image" src="{$this->ipsclass->vars['img_url']}/login-button.gif" />
</form>
</if>
</td>
</tr>
</table>