diff --git a/src/pretix/base/templates/pretixbase/forms/widgets/thumbnailed_file_input.html b/src/pretix/base/templates/pretixbase/forms/widgets/thumbnailed_file_input.html
index a4c2e20a1..de8adc9ee 100644
--- a/src/pretix/base/templates/pretixbase/forms/widgets/thumbnailed_file_input.html
+++ b/src/pretix/base/templates/pretixbase/forms/widgets/thumbnailed_file_input.html
@@ -1,7 +1,7 @@
 {% load thumb %}
 {% if widget.is_initial %}{{ widget.initial_text }}: <a href="{{ widget.value.url }}">{{ widget.value }}</a>{% if not widget.required %}
     <input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}">
-    <label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}{% if widget.value.is_img %}<br><a href="{{ widget.value.url }}" data-lightbox="{{ widget.name }}"><img src="{{ widget.value|thumb:"200x100" }}" srcset="{{ widget.value|thumb:"400x200" }} 2x, {{ widget.value|thumb:"600x300" }} 3x" /></a>{% endif %}<br>
+    <label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}{% if widget.value.is_img %}<br><a href="{{ widget.value.url }}" data-lightbox="{{ widget.name }}"><img src="{{ widget.value|thumb:"200x100" }}" /></a>{% endif %}<br>
     {{ widget.input_text }}:{% endif %}
 <input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>
 {% if widget.cachedfile %}<input type="hidden" name="{{ widget.hidden_name }}" value="{{ widget.cachedfile.id }}">{% endif %}
diff --git a/src/pretix/presale/templates/pretixpresale/event/base.html b/src/pretix/presale/templates/pretixpresale/event/base.html
index 84ebdc30b..a3c2e48a8 100644
--- a/src/pretix/presale/templates/pretixpresale/event/base.html
+++ b/src/pretix/presale/templates/pretixpresale/event/base.html
@@ -71,12 +71,12 @@
             {% if event_logo and event_logo_image_large %}
                 <a href="{% eventurl event "presale:event.index" cart_namespace=cart_namespace|default_if_none:"" %}"
                    aria-label="{% trans 'Homepage' %}" title="{% trans 'Homepage' %}">
-                    <img src="{{ event_logo|thumb:'1170x5000' }}" srcset="{{ event_logo|thumb:'2340x5000' }} 2x, {{ event_logo|thumb:'3510x5000' }} 3x" alt="" class="event-logo" />
+                    <img src="{{ event_logo|thumb:'1170x5000' }}" alt="" class="event-logo" />
                 </a>
             {% elif event_logo %}
                 <a href="{% eventurl event "presale:event.index" cart_namespace=cart_namespace|default_if_none:"" %}"
                    aria-label="{% trans 'Homepage' %}" title="{% trans 'Homepage' %}">
-                    <img src="{{ event_logo|thumb:'5000x120' }}" srcset="{{ event_logo|thumb:'5000x240' }} 2x, {{ event_logo|thumb:'5000x360' }} 3x" alt="" class="event-logo" />
+                    <img src="{{ event_logo|thumb:'5000x120' }}" alt="" class="event-logo" />
                 </a>
             {% else %}
                 <h1>
diff --git a/src/pretix/presale/templates/pretixpresale/event/fragment_addon_choice.html b/src/pretix/presale/templates/pretixpresale/event/fragment_addon_choice.html
index 73e287acc..744b35ac1 100644
--- a/src/pretix/presale/templates/pretixpresale/event/fragment_addon_choice.html
+++ b/src/pretix/presale/templates/pretixpresale/event/fragment_addon_choice.html
@@ -47,8 +47,7 @@
                                         {# Yes, double-escape to prevent XSS in lightbox #}
                                         data-lightbox="{{ item.id }}">
                                     <img src="{{ item.picture|thumb:'60x60^' }}"
-                                         srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
-                                         alt="{{ item.name }}"/>
+                                            alt="{{ item.name }}"/>
                                 </a>
                             {% endif %}
                             <div class="product-description {% if item.picture %}with-picture{% endif %}">
@@ -219,8 +218,7 @@
                                     {# Yes, double-escape to prevent XSS in lightbox #}
                                     data-lightbox="{{ item.id }}">
                                 <img src="{{ item.picture|thumb:'60x60^' }}"
-                                     srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
-                                     alt="{{ item.name }}"/>
+                                        alt="{{ item.name }}"/>
                             </a>
                         {% endif %}
                         <div class="product-description {% if item.picture %}with-picture{% endif %}">
diff --git a/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html b/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
index 912fac475..8d7182beb 100644
--- a/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
+++ b/src/pretix/presale/templates/pretixpresale/event/fragment_product_list.html
@@ -25,7 +25,6 @@
                                    data-lightbox="{{ item.id }}"
                                    aria-label="{% blocktrans trimmed with item=item.name %}Show full-size image of {{ item }}{% endblocktrans %}">
                                     <img src="{{ item.picture|thumb:'60x60^' }}"
-                                         srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
                                          alt="{{ item.name }}"/>
                                 </a>
                             {% endif %}
@@ -223,7 +222,6 @@
                                data-lightbox="{{ item.id }}"
                                aria-label="{% blocktrans trimmed with item=item.name %}Show full-size image of {{ item }}{% endblocktrans %}">
                                 <img src="{{ item.picture|thumb:'60x60^' }}"
-                                     srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
                                      alt="{{ item.name }}"/>
                             </a>
                         {% endif %}
diff --git a/src/pretix/presale/templates/pretixpresale/event/voucher.html b/src/pretix/presale/templates/pretixpresale/event/voucher.html
index 911e353c6..1c7e3c249 100644
--- a/src/pretix/presale/templates/pretixpresale/event/voucher.html
+++ b/src/pretix/presale/templates/pretixpresale/event/voucher.html
@@ -129,8 +129,7 @@
                                                data-lightbox="{{ item.id }}"
                                                aria-label="{% blocktrans trimmed with item=item.name %}Show full-size image of {{ item }}{% endblocktrans %}">
                                             <img src="{{ item.picture|thumb:'60x60^' }}"
-                                                 srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
-                                                 alt="{{ item.name }}"/>
+                                                        alt="{{ item.name }}"/>
                                             </a>
                                         {% endif %}
                                         <div class="product-description {% if item.picture %}with-picture{% endif %}">
@@ -287,7 +286,6 @@
                                            data-lightbox="{{ item.id }}"
                                            aria-label="{% blocktrans trimmed with item=item.name %}Show full-size image of {{ item }}{% endblocktrans %}">
                                             <img src="{{ item.picture|thumb:'60x60^' }}"
-                                                 srcset="{{ item.picture|thumb:'120x120^' }} 2x, {{ item.picture|thumb:'180x180^' }} 3x"
                                                  alt="{{ item.name }}"/>
                                         </a>
                                     {% endif %}
diff --git a/src/pretix/presale/templates/pretixpresale/organizers/base.html b/src/pretix/presale/templates/pretixpresale/organizers/base.html
index a8de8d025..98357c420 100644
--- a/src/pretix/presale/templates/pretixpresale/organizers/base.html
+++ b/src/pretix/presale/templates/pretixpresale/organizers/base.html
@@ -42,13 +42,11 @@
             {% if organizer_logo and organizer.settings.organizer_logo_image_large %}
                 <a href="{% eventurl organizer "presale:organizer.index" %}" title="{{ organizer.name }}">
                     <img src="{{ organizer_logo|thumb:'1170x5000' }}" alt="{{ organizer.name }}"
-                         srcset="{{ organizer_logo|thumb:'2340x5000' }} 2x, {{ organizer_logo|thumb:'3510x5000' }} 3x"
                          class="organizer-logo" />
                 </a>
             {% elif organizer_logo %}
                 <a href="{% eventurl organizer "presale:organizer.index" %}" title="{{ organizer.name }}">
                     <img src="{{ organizer_logo|thumb:'5000x120' }}" alt="{{ organizer.name }}"
-                            srcset="{{ organizer_logo|thumb:'5000x240' }} 2x, {{ organizer_logo|thumb:'5000x360' }} 3x"
                             class="organizer-logo" />
                 </a>
             {% else %}