diff --git a/bochs/patches/patch.rombios-vitaly-vorobyov b/bochs/patches/patch.rombios-vitaly-vorobyov
deleted file mode 100644
index 725c280a6..000000000
--- a/bochs/patches/patch.rombios-vitaly-vorobyov
+++ /dev/null
@@ -1,114 +0,0 @@
-----------------------------------------------------------------------
-Patch name: patch.rombios-vitaly-vorobyov
-Author: Vitaly Vorobyov
-Date: 03/08/2003
-Status: New
-
-Detailed description:
-
-PATCH 1: ROMBIOS fix
- [x] int vector 0x79 is set to 0:0 instead of dummy iret
-     instruction.
-     Zero value of this vector is checked by 'gardian angel'
-     protection system, on real computer this vector is zero and
-     'gardian angel' use it as antidebugging trick.
- [x] int 0x16 service 05 realized
-
-
-Patch was created with:
-  cvs diff -u
-Apply patch to what version:
-  cvs checked out on 3 Aug 2003
-Instructions:
-  To patch, go to main bochs directory.
-  Type "patch -p0 < THIS_PATCH_FILE".
-----------------------------------------------------------------------
-Index: bios/rombios.c
-===================================================================
-RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
-retrieving revision 1.93
-diff -u -r1.93 rombios.c
---- bios/rombios.c	25 Apr 2003 22:13:24 -0000	1.93
-+++ bios/rombios.c	4 Aug 2003 14:33:47 -0000
-@@ -877,7 +877,7 @@
- //static Bit16u         get_DS();
- //static void           set_DS();
- static Bit16u         get_SS();
--static void           enqueue_key();
-+static bx_bool        enqueue_key();
- static unsigned int   dequeue_key();
- static void           get_hd_geometry();
- static void           set_diskette_ret_status();
-@@ -3953,6 +3953,13 @@
-       SET_AL(shift_flags);
-       break;
- 
-+    case 0x05:
-+      if(!enqueue_key( CX>>4, CX)) {
-+       SET_AL(1);
-+       return;
-+      }
-+      SET_AL(0);
-+      break;
-     case 0x09: /* GET KEYBOARD FUNCTIONALITY */
-       // bit Bochs Description     
-       //  7    0   reserved
-@@ -4327,7 +4334,7 @@
-   mf2_state &= ~0x01;
- }
- 
--  void
-+bx_bool
- enqueue_key(scan_code, ascii_code)
-   Bit8u scan_code, ascii_code;
- {
-@@ -4355,12 +4362,13 @@
-   if (buffer_tail == buffer_head) {
-     BX_PANIC("KBD: dropped key scan=%02x, ascii=%02x\n",
-       (int) scan_code, (int) ascii_code);
--    return;
-+    return 0;
-     }
- 
-    write_byte(0x0040, temp_tail, ascii_code);
-    write_byte(0x0040, temp_tail+1, scan_code);
-    write_word(0x0040, 0x001C, buffer_tail);
-+  return 1;
- }
- 
- 
-@@ -6211,6 +6219,7 @@
- {
-   Bit8u  val8, dor;
-   Bit16u curr_cyl_offset;
-+//  Bit8u  master_mask;
- 
-   // set 40:3e bit 7 to 0
-   val8 = read_byte(0x0000, 0x043e);
-@@ -6301,6 +6310,7 @@
-   Bit8u  return_status[7];
-   Bit8u  drive_type, num_floppies, ah;
-   Bit16u es, last_addr;
-+//  Bit8u  master_mask;
- 
-   BX_DEBUG_INT13_FL("int13_diskette: AX=%04x BX=%04x CX=%04x DX=%04x ES=%04x\n", AX, BX, CX, DX, ES);
-   // BX_DEBUG_INT13_FL("int13_diskette: SS=%04x DS=%04x ES=%04x DI=%04x SI=%04x\n",get_SS(), get_DS(), ES, DI, SI);
-@@ -6804,6 +6814,7 @@
-   ASM_START
-       cli
-   ASM_END
-+
-       // set 40:3e bit 7 to 0
-       val8 = read_byte(0x0000, 0x043e);
-       val8 &= 0x7f;
-@@ -8724,6 +8735,10 @@
-   inc  bx
-   inc  bx
-   loop post_default_ints
-+
-+  ;; set vector 0x79 to zero
-+  ;; this is used by 'gardian angel' protection system
-+  mov  dword ptr [0x1e4], #0
- 
-   ;; base memory in K 40:13 (word)
-   mov  ax, #BASE_MEM_IN_K