diff --git a/src/Include/Functions.php b/src/Include/Functions.php
index 82f7c07b5b..a4041c696a 100644
--- a/src/Include/Functions.php
+++ b/src/Include/Functions.php
@@ -1063,7 +1063,7 @@ function formCustomField($type, $fieldname, $data, $special, $bFirstPassFlag)
         "<div class=\"input-group-addon\">" .
         "<i class=\"fa fa-calendar\"></i>" .
         "</div>" .
-        "<input class=\"form-control inputDatePicker\" type=\"text\" id=\"" . $fieldname . "\" Name=\"" . $fieldname . "\" value=\"" . $data . "\"> " .
+        "<input class=\"form-control\" type=\"text\" id=\"" . $fieldname . "\" Name=\"" . $fieldname . "\" value=\"" . $data . "\"> " .
         "</div>";
       break;
 
diff --git a/src/external/templates/registration/family-register-members.php b/src/external/templates/registration/family-register-members.php
index 02b9b032a3..54e15f1898 100644
--- a/src/external/templates/registration/family-register-members.php
+++ b/src/external/templates/registration/family-register-members.php
@@ -95,7 +95,7 @@ class="box-title"><?= gettext("Register") . " <b>" . $family->getName() . "</b>
                           <div class="input-group-addon">
                             <i class="fa fa-birthday-cake"></i>
                           </div>
-                          <input type="text" class="form-control inputDatePicker" name="memberBirthday-<?= $x ?>">
+                          <input type="text" class="form-control" name="memberBirthday-<?= $x ?>">
                         </div>
                       </div>
                       <div class="col-lg-6">