diff --git a/src/gui/views/gcal-week-header.c b/src/gui/views/gcal-week-header.c
index 25405139..f64086b6 100644
--- a/src/gui/views/gcal-week-header.c
+++ b/src/gui/views/gcal-week-header.c
@@ -113,8 +113,6 @@ struct _GcalWeekHeader
 
   /* Array of nullable weather infos for each day, starting with Sunday. */
   WeatherInfoDay      weather_infos[7];
-
-  GtkSizeGroup       *sizegroup;
 };
 
 typedef enum
@@ -1542,7 +1540,6 @@ gcal_week_header_class_init (GcalWeekHeaderClass *kclass)
   gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, main_box);
   gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, motion_controller);
   gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, scrolledwindow);
-  gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, sizegroup);
   gtk_widget_class_bind_template_child (widget_class, GcalWeekHeader, weekdays_box);
 
   gtk_widget_class_bind_template_callback (widget_class, on_button_pressed);
@@ -1793,14 +1790,6 @@ gcal_week_header_get_children_by_uuid (GcalWeekHeader        *self,
   GCAL_RETURN (g_steal_pointer (&result));
 }
 
-GtkSizeGroup*
-gcal_week_header_get_sidebar_size_group (GcalWeekHeader *self)
-{
-  g_return_val_if_fail (GCAL_IS_WEEK_HEADER (self), NULL);
-
-  return self->sizegroup;
-}
-
 void
 gcal_week_header_clear_marks (GcalWeekHeader *self)
 {
diff --git a/src/gui/views/gcal-week-header.h b/src/gui/views/gcal-week-header.h
index d877b98d..32507ecf 100644
--- a/src/gui/views/gcal-week-header.h
+++ b/src/gui/views/gcal-week-header.h
@@ -45,8 +45,6 @@ GList*               gcal_week_header_get_children_by_uuid       (GcalWeekHeader
                                                                   GcalRecurrenceModType  mod,
                                                                   const gchar           *uuid);
 
-GtkSizeGroup*        gcal_week_header_get_sidebar_size_group     (GcalWeekHeader     *self);
-
 void                 gcal_week_header_clear_marks                (GcalWeekHeader     *self);
 
 void                 gcal_week_header_set_date                   (GcalWeekHeader     *self,
diff --git a/src/gui/views/gcal-week-header.ui b/src/gui/views/gcal-week-header.ui
index b01d96c6..6312fc0b 100644
--- a/src/gui/views/gcal-week-header.ui
+++ b/src/gui/views/gcal-week-header.ui
@@ -65,7 +65,4 @@
       </object>
     </child>
   </template>
-  <object class="GtkSizeGroup" id="sizegroup">
-    <property name="mode">horizontal</property>
-  </object>
 </interface>
diff --git a/src/gui/views/gcal-week-view.c b/src/gui/views/gcal-week-view.c
index eef4eb5b..da8bb3c0 100644
--- a/src/gui/views/gcal-week-view.c
+++ b/src/gui/views/gcal-week-view.c
@@ -716,15 +716,10 @@ gcal_week_view_class_init (GcalWeekViewClass *klass)
 static void
 gcal_week_view_init (GcalWeekView *self)
 {
-  GtkSizeGroup *size_group;
-
   gtk_widget_init_template (GTK_WIDGET (self));
 
   self->zoom_level = 1.0;
 
   gtk_widget_set_size_request (self->content, -1, HEIGHT_DEFAULT);
-
-  size_group = gcal_week_header_get_sidebar_size_group (GCAL_WEEK_HEADER (self->header));
-  gtk_size_group_add_widget (size_group, GTK_WIDGET (self->hours_bar));
 }