diff --git a/netbox/netbox/plugins/registration.py b/netbox/netbox/plugins/registration.py
index 1cf40cc4a..0001d50c9 100644
--- a/netbox/netbox/plugins/registration.py
+++ b/netbox/netbox/plugins/registration.py
@@ -45,11 +45,8 @@ def register_template_extensions(class_list):
 
 
 def register_menu(menu):
-    if not (isinstance(menu, PluginMenu) or callable(menu)):
-        raise TypeError(_(
-            "{item} must be an instance of netbox.plugins.PluginMenu "
-            "or a callable returning such an instance").format(item=menu)
-        )
+    if not isinstance(menu, PluginMenu):
+        raise TypeError(_("{item} must be an instance of netbox.plugins.PluginMenuItem").format(item=menu))
     registry['plugins']['menus'].append(menu)
 
 
@@ -59,17 +56,15 @@ def register_menu_items(section_name, class_list):
     """
     # Validation
     for menu_link in class_list:
-        if not (isinstance(menu_link, PluginMenuItem) or callable(menu_link)):
-            raise TypeError(_(
-                "{menu_link} must be an instance of netbox.plugins.PluginMenuItem "
-                "or a callable returning such an instance").format(menu_link=menu_link)
-            )
+        if not isinstance(menu_link, PluginMenuItem):
+            raise TypeError(_("{menu_link} must be an instance of netbox.plugins.PluginMenuItem").format(
+                menu_link=menu_link
+            ))
         for button in menu_link.buttons:
-            if not (isinstance(button, PluginMenuButton) or callable(button)):
-                raise TypeError(_(
-                    "{button} must be an instance of netbox.plugins.PluginMenuButton "
-                    "or a callable returning such an instance").format(button=button)
-                )
+            if not isinstance(button, PluginMenuButton):
+                raise TypeError(_("{button} must be an instance of netbox.plugins.PluginMenuButton").format(
+                    button=button
+                ))
 
     registry['plugins']['menu_items'][section_name] = class_list
 
diff --git a/netbox/utilities/templatetags/navigation.py b/netbox/utilities/templatetags/navigation.py
index ee4fa0dda..176996aa1 100644
--- a/netbox/utilities/templatetags/navigation.py
+++ b/netbox/utilities/templatetags/navigation.py
@@ -22,14 +22,10 @@ def nav(context):
 
     # Construct the navigation menu based upon the current user's permissions
     for menu in MENUS:
-        if callable(menu):
-            menu = menu()
         groups = []
         for group in menu.groups:
             items = []
             for item in group.items:
-                if callable(item):
-                    item = item()
                 if getattr(item, 'auth_required', False) and not user.is_authenticated:
                     continue
                 if not user.has_perms(item.permissions):
@@ -37,9 +33,7 @@ def nav(context):
                 if item.staff_only and not user.is_staff:
                     continue
                 buttons = [
-                    button for button in [
-                        button() if callable(button) else button for button in item.buttons
-                    ] if user.has_perms(button.permissions)
+                    button for button in item.buttons if user.has_perms(button.permissions)
                 ]
                 items.append((item, buttons))
             if items: