How to Remove Birthday Option in Prestashop

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How to Remove Birthday Option in Prestashop- Customer birthdays are optional, but they are used in some of the statistics and some modules like the Birthday Present module. If you aren't using any modules or statistics that need the birthday, it is safe to remove. Just remove or <!-- comment out -->

What files you need to search when you want to comment the birthday option in prestashop ? The files are authentication.tpl and identity.tpl and the last one order-opc-new-account.tpl (if you are using one page checkout option).

<div class="form-group date-select">
      <label>{l s='Date of Birth'}</label>
      <div class="row">
       <div class="col-xs-4">
        <select id="days" name="days" class="form-control">
         <option value="">-</option>
         {foreach from=$days item=day}
          <option value="{$day}" {if ($sl_day == $day)} selected="selected"{/if}>{$day}&nbsp;&nbsp;</option>
         {/foreach}
        </select>
        {*
         {l s='January'}
         {l s='February'}
         {l s='March'}
         {l s='April'}
         {l s='May'}
         {l s='June'}
         {l s='July'}
         {l s='August'}
         {l s='September'}
         {l s='October'}
         {l s='November'}
         {l s='December'}
        *}
       </div>
       <div class="col-xs-4">
        <select id="months" name="months" class="form-control">
         <option value="">-</option>
         {foreach from=$months key=k item=month}
          <option value="{$k}" {if ($sl_month == $k)} selected="selected"{/if}>{l s=$month}&nbsp;</option>
         {/foreach}
        </select>
       </div>
       <div class="col-xs-4">
        <select id="years" name="years" class="form-control">
         <option value="">-</option>
         {foreach from=$years item=year}
          <option value="{$year}" {if ($sl_year == $year)} selected="selected"{/if}>{$year}&nbsp;&nbsp;</option>
         {/foreach}
        </select>
       </div>
      </div>
     </div>

Look for above code, and you could remove it or give it a comment. To see if your changes are working dont forget go to the Preferences > Performance tab and change "Force compile" to "Yes", refresh your website, then change it back to "No"