diff --git a/malloc.c b/malloc.c
index 7ac3786..50a26f1 100644
--- a/malloc.c
+++ b/malloc.c
@@ -25,7 +25,6 @@ static_assert(sizeof(void *) == 8, "64-bit only");
 #define PAGE_MASK ((size_t)(PAGE_SIZE - 1))
 #define PAGE_CEILING(s) (((s) + PAGE_MASK) & ~PAGE_MASK)
 
-#define MIN_ALIGN 16
 #define ALIGNMENT_CEILING(s, alignment) (((s) + (alignment - 1)) & ((~(alignment)) + 1))
 
 static void *allocate_pages(size_t usable_size, size_t guard_size, bool unprotect) {