diff --git a/boot/common/mm/mman.c b/boot/common/mm/mman.c
index 4e1575a..c2a4d6e 100644
--- a/boot/common/mm/mman.c
+++ b/boot/common/mm/mman.c
@@ -23,6 +23,9 @@
 #include <print.h>
 #include <stddef.h>
 
+// NOTE: If any allocations fail, try increasing this number.
+#define MAX_ALLOCATIONS 256
+
 struct alloc_header allocation_list[MAX_ALLOCATIONS] = {0};
 
 int find_alloc(void *addr)
diff --git a/boot/include/mm/mman.h b/boot/include/mm/mman.h
index 10ed008..5f24189 100644
--- a/boot/include/mm/mman.h
+++ b/boot/include/mm/mman.h
@@ -22,9 +22,6 @@
 
 #include <stddef.h>
 
-// NOTE: If any allocations fail, try increasing this number.
-#define MAX_ALLOCATIONS 256
-
 struct alloc_header {
 	void *addr;
 	size_t size;