diff --git a/plugins/provider/sip/calls-sip-account-widget.c b/plugins/provider/sip/calls-sip-account-widget.c
index d64072f..13662b2 100644
--- a/plugins/provider/sip/calls-sip-account-widget.c
+++ b/plugins/provider/sip/calls-sip-account-widget.c
@@ -53,6 +53,8 @@ static GParamSpec *props[PROP_LAST_PROP];
 struct _CallsSipAccountWidget {
   GtkWidget         parent;
 
+  GtkWidget        *child;
+
   /* Header bar */
   GtkWidget        *header_add;
   GtkSpinner       *spinner_add;
@@ -582,6 +584,10 @@ calls_sip_account_widget_dispose (GObject *object)
 {
   CallsSipAccountWidget *self = CALLS_SIP_ACCOUNT_WIDGET (object);
 
+  GtkWidget *child = GTK_WIDGET (self->child);
+
+  g_clear_pointer (&child, gtk_widget_unparent);
+
   g_clear_pointer (&self->last_port, g_free);
   g_clear_object (&self->protocols_store);
   g_clear_object (&self->media_encryption_store);
@@ -617,6 +623,8 @@ calls_sip_account_widget_class_init (CallsSipAccountWidgetClass *klass)
   g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Calls/ui/sip-account-widget.ui");
+  gtk_widget_class_bind_template_child (widget_class, CallsSipAccountWidget, child);
+
   gtk_widget_class_bind_template_child (widget_class, CallsSipAccountWidget, header_add);
   gtk_widget_class_bind_template_child (widget_class, CallsSipAccountWidget, spinner_add);
   gtk_widget_class_bind_template_child (widget_class, CallsSipAccountWidget, header_edit);
@@ -642,6 +650,8 @@ calls_sip_account_widget_class_init (CallsSipAccountWidgetClass *klass)
   gtk_widget_class_bind_template_callback (widget_class, on_password_visibility_changed);
   gtk_widget_class_bind_template_callback (widget_class, on_port_entry_insert_text);
   gtk_widget_class_bind_template_callback (widget_class, on_port_entry_after_insert_text);
+
+  gtk_widget_class_set_layout_manager_type(widget_class, GTK_TYPE_BOX_LAYOUT);
 }
 
 
diff --git a/plugins/provider/sip/sip-account-widget.ui b/plugins/provider/sip/sip-account-widget.ui
index 439a7dc..15dec4e 100644
--- a/plugins/provider/sip/sip-account-widget.ui
+++ b/plugins/provider/sip/sip-account-widget.ui
@@ -4,7 +4,7 @@
   <requires lib="libadwaita" version="1.0"/>
   <template class="CallsSipAccountWidget" parent="GtkWidget">
     <child>
-      <object class="GtkBox">
+      <object class="GtkBox" id="child">
         <property name="orientation">vertical</property>
         <child>
           <object class="AdwHeaderBar" id="header_add">
diff --git a/src/calls-contacts-box.c b/src/calls-contacts-box.c
index 61b37a7..9137c68 100644
--- a/src/calls-contacts-box.c
+++ b/src/calls-contacts-box.c
@@ -34,6 +34,8 @@
 struct _CallsContactsBox {
   GtkWidget         parent_instance;
 
+  GtkWidget        *child;
+
   GtkWidget        *search_entry;
   GtkWidget        *contacts_frame;
   GtkWidget        *contacts_listbox;
@@ -160,16 +162,33 @@ contacts_sort_func (CallsContactsRow *a,
 }
 
 
+static void
+calls_contacts_box_dispose (GObject *object)
+{
+  CallsContactsBox *self = CALLS_CONTACTS_BOX (object);
+
+  GtkWidget *child = self->child;
+
+  g_clear_pointer (&child, gtk_widget_unparent);
+}
+
+
 static void
 calls_contacts_box_class_init (CallsContactsBoxClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
+  object_class->dispose = calls_contacts_box_dispose;
+
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Calls/ui/contacts-box.ui");
+  gtk_widget_class_bind_template_child (widget_class, CallsContactsBox, child);
   gtk_widget_class_bind_template_child (widget_class, CallsContactsBox, contacts_listbox);
   gtk_widget_class_bind_template_child (widget_class, CallsContactsBox, contacts_frame);
   gtk_widget_class_bind_template_child (widget_class, CallsContactsBox, search_entry);
   gtk_widget_class_bind_template_child (widget_class, CallsContactsBox, placeholder_empty);
+
+  gtk_widget_class_set_layout_manager_type(widget_class, GTK_TYPE_BOX_LAYOUT);
 }
 
 
diff --git a/src/calls-history-box.c b/src/calls-history-box.c
index 2b200c7..bcdff02 100644
--- a/src/calls-history-box.c
+++ b/src/calls-history-box.c
@@ -226,11 +226,14 @@ static void
 dispose (GObject *object)
 {
   CallsHistoryBox *self = CALLS_HISTORY_BOX (object);
+  GtkWidget *stack = GTK_WIDGET (self->stack);
 
   g_clear_signal_handler (&self->model_changed_handler_id, self->model);
   g_clear_object (&self->slice_model);
   g_clear_object (&self->model);
 
+  g_clear_pointer (&stack, gtk_widget_unparent);
+
   G_OBJECT_CLASS (calls_history_box_parent_class)->dispose (object);
 }
 
@@ -259,6 +262,8 @@ calls_history_box_class_init (CallsHistoryBoxClass *klass)
   gtk_widget_class_bind_template_child (widget_class, CallsHistoryBox, stack);
   gtk_widget_class_bind_template_child (widget_class, CallsHistoryBox, history);
   gtk_widget_class_bind_template_child (widget_class, CallsHistoryBox, scrolled_window);
+
+  gtk_widget_class_set_layout_manager_type(widget_class, GTK_TYPE_BOX_LAYOUT);
 }
 
 
diff --git a/src/calls-in-app-notification.c b/src/calls-in-app-notification.c
index 6d09b6c..efb45e3 100644
--- a/src/calls-in-app-notification.c
+++ b/src/calls-in-app-notification.c
@@ -95,6 +95,19 @@ calls_in_app_notification_set_property (GObject      *object,
 }
 
 
+static void
+calls_in_app_notification_dispose (GObject *object)
+{
+  CallsInAppNotification *self = CALLS_IN_APP_NOTIFICATION (object);
+
+  GtkWidget *revealer = GTK_WIDGET (self->revealer);
+
+  g_clear_pointer (&revealer, gtk_widget_unparent);
+
+  G_OBJECT_CLASS (calls_in_app_notification_parent_class)->dispose (object);
+}
+
+
 static void
 calls_in_app_notification_finalize (GObject *object)
 {
@@ -114,6 +127,7 @@ calls_in_app_notification_class_init (CallsInAppNotificationClass *klass)
 
   object_class->get_property = calls_in_app_notification_get_property;
   object_class->set_property = calls_in_app_notification_set_property;
+  object_class->dispose = calls_in_app_notification_dispose;
   object_class->finalize = calls_in_app_notification_finalize;
 
   props[PROP_TIMEOUT] = g_param_spec_uint ("timeout",
@@ -132,6 +146,8 @@ calls_in_app_notification_class_init (CallsInAppNotificationClass *klass)
   gtk_widget_class_bind_template_child (widget_class, CallsInAppNotification, revealer);
   gtk_widget_class_bind_template_child (widget_class, CallsInAppNotification, label);
   gtk_widget_class_bind_template_callback (widget_class, calls_in_app_notification_hide);
+
+  gtk_widget_class_set_layout_manager_type(widget_class, GTK_TYPE_BOX_LAYOUT);
 }
 
 
diff --git a/src/calls-new-call-box.c b/src/calls-new-call-box.c
index 2f1eef7..91cb6a0 100644
--- a/src/calls-new-call-box.c
+++ b/src/calls-new-call-box.c
@@ -46,6 +46,8 @@ static GParamSpec *props[PROP_LAST_PROP];
 struct _CallsNewCallBox {
   GtkWidget     parent_instance;
 
+  GtkWidget    *child;
+
   GtkListBox   *origin_list_box;
   AdwComboRow  *origin_list;
   CuiDialpad   *dialpad;
@@ -337,8 +339,12 @@ calls_new_call_box_dispose (GObject *object)
 {
   CallsNewCallBox *self = CALLS_NEW_CALL_BOX (object);
 
+  GtkWidget *child = self->child;
+
   clear_dial_queue (self);
 
+  g_clear_pointer (&child, gtk_widget_unparent);
+
   G_OBJECT_CLASS (calls_new_call_box_parent_class)->dispose (object);
 }
 
@@ -353,6 +359,7 @@ calls_new_call_box_class_init (CallsNewCallBoxClass *klass)
   object_class->dispose = calls_new_call_box_dispose;
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Calls/ui/new-call-box.ui");
+  gtk_widget_class_bind_template_child (widget_class, CallsNewCallBox, child);
   gtk_widget_class_bind_template_child (widget_class, CallsNewCallBox, origin_list_box);
   gtk_widget_class_bind_template_child (widget_class, CallsNewCallBox, origin_list);
   gtk_widget_class_bind_template_child (widget_class, CallsNewCallBox, dialpad);
@@ -372,6 +379,8 @@ calls_new_call_box_class_init (CallsNewCallBoxClass *klass)
                           G_PARAM_READABLE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
 
   g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
+
+  gtk_widget_class_set_layout_manager_type(widget_class, GTK_TYPE_BOX_LAYOUT);
 }
 
 
diff --git a/src/ui/contacts-box.ui b/src/ui/contacts-box.ui
index 00c6c4c..e20f0df 100644
--- a/src/ui/contacts-box.ui
+++ b/src/ui/contacts-box.ui
@@ -4,7 +4,7 @@
   <requires lib="libadwaita" version="0.0"/>
   <template class="CallsContactsBox" parent="GtkWidget">
     <child>
-      <object class="GtkScrolledWindow">
+      <object class="GtkScrolledWindow" id="child">
         <property name="hexpand">True</property>
         <property name="vexpand">True</property>
         <child>
diff --git a/src/ui/new-call-box.ui b/src/ui/new-call-box.ui
index 2e2d872..2e9a4a6 100644
--- a/src/ui/new-call-box.ui
+++ b/src/ui/new-call-box.ui
@@ -4,7 +4,7 @@
   <requires lib="libadwaita" version="1.0"/>
   <template class="CallsNewCallBox" parent="GtkWidget">
     <child>
-      <object class="GtkBox">
+      <object class="GtkBox" id="child">
         <property name="margin-start">24</property>
         <property name="margin-end">24</property>
         <property name="margin_top">6</property>