diff --git a/openslides/projector/static/javascript/projector-control.js b/openslides/projector/static/javascript/projector-control.js
index 36a6eb255..1dac0be48 100644
--- a/openslides/projector/static/javascript/projector-control.js
+++ b/openslides/projector/static/javascript/projector-control.js
@@ -60,20 +60,6 @@ $(function() {
         });
     });
 
-    $('.projector_countdown_spindown').click(function(event) {
-        event.preventDefault();
-        var count = parseInt($( "#countdown_time" ).val());
-
-        $( "#countdown_time" ).val( ((count - 1 >= 0) ? count - 1 : count));
-    });
-
-    $('.projector_countdown_spinup').click(function(event) {
-        event.preventDefault();
-        var count = parseInt($( "#countdown_time" ).val());
-
-        $( "#countdown_time" ).val(count + 1);
-    });
-
     $('.countdown_visible_link').click(function(event) {
         event.preventDefault();
         var link = $(this);
diff --git a/openslides/projector/templates/projector/control.html b/openslides/projector/templates/projector/control.html
index 809078ceb..f997d9ce2 100644
--- a/openslides/projector/templates/projector/control.html
+++ b/openslides/projector/templates/projector/control.html
@@ -144,13 +144,7 @@
                             {% if overlay.def_name == "Countdown" %}
                                 |
                                 <span class="projector_countdown_spinbox">
-                                    <input class="projector_countdown_spinval" id="countdown_time" name="countdown_time" type="text" value="{{countdown_time}}">
-                                    <a class="projector_countdown_spinup" href="#">
-                                        <img src="{% static 'images/icons/spin-up.png' %}" />
-                                    </a>
-                                    <a class="projector_countdown_spindown" href="#">
-                                        <img src="{% static 'images/icons/spin-down.png' %}" />
-                                    </a>
+                                    <input class="projector_countdown_spinval" id="countdown_time" name="countdown_time" type="number" min="0" value="{{countdown_time}}">
                                     {% trans "sec" %}
                                     &nbsp;
                                     <a id="countdown_set" class="projector_countdown_btn" href="{% url countdown_set_default %}" title="{% trans 'Save as default' %}">