diff --git a/include/util.h b/include/util.h
index 2bd9773..f9b52b1 100644
--- a/include/util.h
+++ b/include/util.h
@@ -17,4 +17,3 @@
 #pragma once
 
 #define UDIV_UP(a, b) (((a) + (b) - 1) / (b))
-#define ALIGN_UP(n, a) (UDIV_UP(n, a) * a)