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diff --git a/misc/test_vm/include/geekos/mem_bak.h b/misc/test_vm/include/geekos/mem_bak.h
deleted file mode 100644
index fdac1aa..0000000
--- a/misc/test_vm/include/geekos/mem_bak.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Physical memory allocation
- * Copyright (c) 2001,2003,2004 David H. Hovemeyer <daveho@cs.umd.edu>
- * Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu>
- * $Revision: 1.1 $
- * 
- * This is free software.  You are permitted to use,
- * redistribute, and modify it as specified in the file "COPYING".
- */
-
-#ifndef GEEKOS_MEM_H
-#define GEEKOS_MEM_H
-
-#include <geekos/ktypes.h>
-#include <geekos/defs.h>
-#include <geekos/list.h>
-#include <geekos/paging.h>
-
-struct Boot_Info;
-
-/*
- * Page flags
- */
-#define PAGE_AVAIL     0x0000	 /* page is on the freelist */
-#define PAGE_KERN      0x0001	 /* page used by kernel code or data */
-#define PAGE_HW        0x0002	 /* page used by hardware (e.g., ISA hole) */
-#define PAGE_ALLOCATED 0x0004	 /* page is allocated */
-#define PAGE_UNUSED    0x0008	 /* page is unused */
-#define PAGE_HEAP      0x0010	 /* page is in kernel heap */
-#define PAGE_PAGEABLE  0x0020	 /* page can be paged out */
-#define PAGE_LOCKED    0x0040    /* page is taken should not be freed */
-#define PAGE_VM        0x0080    /* page is used by the VM */
-
-
-struct Page;
-
-/*
- * List datatype for doubly-linked list of Pages.
- */
-DEFINE_LIST(Page_List, Page);
-
-/*
- * Each page of physical memory has one of these structures
- * associated with it, to do allocation and bookkeeping.
- */
-struct Page {
-    unsigned flags;			 /* Flags indicating state of page */
-    DEFINE_LINK(Page_List, Page);	 /* Link fields for Page_List */
-    int clock;
-    ulong_t vaddr;			 /* User virtual address where page is mapped */
-    pte_t *entry;			 /* Page table entry referring to the page */
-};
-
-IMPLEMENT_LIST(Page_List, Page);
-
-void Init_Mem(struct Boot_Info* bootInfo);
-void Init_BSS(void);
-void* Alloc_Page(void);
-void* Alloc_Pageable_Page(pte_t *entry, ulong_t vaddr);
-void Free_Page(void* pageAddr);
-
-/*
- * Determine if given address is a multiple of the page size.
- */
-static __inline__ bool Is_Page_Multiple(ulong_t addr)
-{
-    return addr == (addr & ~(PAGE_MASK));
-}
-
-/*
- * Round given address up to a multiple of the page size
- */
-static __inline__ ulong_t Round_Up_To_Page(ulong_t addr)
-{
-    if ((addr & PAGE_MASK) != 0) {
-	addr &= ~(PAGE_MASK);
-	addr += PAGE_SIZE;
-    }
-    return addr;
-}
-
-/*
- * Round given address down to a multiple of the page size
- */
-static __inline__ ulong_t Round_Down_To_Page(ulong_t addr)
-{
-    return addr & (~PAGE_MASK);
-}
-
-/*
- * Get the index of the page in memory.
- */
-static __inline__ int Page_Index(ulong_t addr)
-{
-    return (int) (addr >> PAGE_POWER);
-}
-
-
-/*
- * Get the Page struct associated with given address.
- */
-static __inline__ struct Page *Get_Page(ulong_t addr)
-{
-    extern struct Page* g_pageList;
-      return &g_pageList[Page_Index(addr)];
-      //return g_pageList + (sizeof(struct Page) * (int)(addr >> PAGE_POWER));
-}
-
-/*
- * Get the physical address of the memory represented by given Page object.
- */
-static __inline__ ulong_t Get_Page_Address(struct Page *page)
-{
-    extern struct Page* g_pageList;
-    ulong_t index = page - g_pageList;
-    return index << PAGE_POWER;
-}
-
-#endif  /* GEEKOS_MEM_H */