diff --git a/org-ql-agenda.el b/org-ql-agenda.el
index 09f40e0..bd3e15e 100644
--- a/org-ql-agenda.el
+++ b/org-ql-agenda.el
@@ -33,6 +33,7 @@
 
 (require 'cl-lib)
 (require 'org)
+(require 'org-element)
 (require 'org-agenda)
 (require 'seq)
 (require 'rx)
@@ -42,6 +43,13 @@
 (require 'dash)
 (require 's)
 
+;;;; Compatibility
+
+(defvar org-super-agenda-auto-selector-keywords)
+(defvar org-super-agenda-groups)
+(defvar org-super-agenda-mode)
+(declare-function org-super-agenda--group-items "org-super-agenda")
+
 ;;;; Variables
 
 (defvar org-ql-agenda-buffer-name "*Org Agenda NG*"