diff --git a/doc/development/api/general.rst b/doc/development/api/general.rst
index 18686e8c2..51448de6b 100644
--- a/doc/development/api/general.rst
+++ b/doc/development/api/general.rst
@@ -12,7 +12,7 @@ Core
 
 .. automodule:: pretix.base.signals
    :members: periodic_task, event_live_issues, event_copy_data, email_filter, register_notification_types,
-      item_copy_data, register_sales_channels
+      item_copy_data, register_sales_channels, register_global_settings
 
 Order events
 """"""""""""
@@ -26,11 +26,7 @@ Frontend
 --------
 
 .. automodule:: pretix.presale.signals
-   :members: html_head, html_footer, footer_link, front_page_top, front_page_bottom, fee_calculation_for_cart, contact_form_fields, question_form_fields, checkout_confirm_messages, checkout_confirm_page_content, checkout_all_optional, html_page_header, sass_preamble, sass_postamble
-
-
-.. automodule:: pretix.presale.signals
-   :members: order_info, order_meta_from_request
+   :members: html_head, html_footer, footer_link, front_page_top, front_page_bottom, fee_calculation_for_cart, contact_form_fields, question_form_fields, checkout_confirm_messages, checkout_confirm_page_content, checkout_all_optional, html_page_header, sass_preamble, sass_postamble, checkout_flow_steps, order_info, order_meta_from_request
 
 Request flow
 """"""""""""
diff --git a/src/pretix/control/signals.py b/src/pretix/control/signals.py
index 16b05620a..de6969103 100644
--- a/src/pretix/control/signals.py
+++ b/src/pretix/control/signals.py
@@ -2,16 +2,6 @@ from django.dispatch import Signal
 
 from pretix.base.signals import DeprecatedSignal, EventPluginSignal
 
-restriction_formset = EventPluginSignal(
-    providing_args=["item"]
-)
-"""
-This signal is sent out to build configuration forms for all restriction formsets
-(see plugin API documentation for details).
-
-As with all plugin signals, the ``sender`` keyword argument will contain the event.
-"""
-
 html_page_start = Signal(
     providing_args=[]
 )
diff --git a/src/pretix/presale/signals.py b/src/pretix/presale/signals.py
index af1843551..73e6e9e22 100644
--- a/src/pretix/presale/signals.py
+++ b/src/pretix/presale/signals.py
@@ -82,7 +82,8 @@ As with all plugin signals, the ``sender`` keyword argument will contain the eve
 
 checkout_flow_steps = EventPluginSignal()
 """
-This signal is sent out to retrieve pages for the checkout flow
+This signal is sent out to retrieve pages for the checkout flow. Receivers are expected to return
+a subclass of ``pretix.presale.checkoutflow.BaseCheckoutFlowStep``.
 
 As with all plugin signals, the ``sender`` keyword argument will contain the event.
 """