diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping
index efd85ea3..a7162e6f 100644
--- a/src/Makefile.housekeeping
+++ b/src/Makefile.housekeeping
@@ -866,7 +866,6 @@ endif # defined(BIN)
 #
 FINALISE_rom	= $(MAKEROM) $(MAKEROM_FLAGS) $(TGT_MAKEROM_FLAGS) \
 		  -i$(IDENT) -s 0 $@
-FINALISE_hrom	= $(FINALISE_rom)
 
 # Some ROMs require specific flags to be passed to makerom.pl
 #
diff --git a/src/arch/i386/Makefile.pcbios b/src/arch/i386/Makefile.pcbios
index dcabbdf7..e3c33872 100644
--- a/src/arch/i386/Makefile.pcbios
+++ b/src/arch/i386/Makefile.pcbios
@@ -11,7 +11,6 @@ LDFLAGS		+= -N --no-check-sections
 # Media types.
 #
 MEDIA		+= rom
-MEDIA		+= hrom
 MEDIA		+= pxe
 MEDIA		+= kpxe
 MEDIA		+= kkpxe
@@ -24,7 +23,6 @@ MEDIA		+= raw
 # Padding rules
 #
 PAD_rom		= $(PADIMG) --blksize=512 --byte=0xff $@
-PAD_hrom	= $(PAD_rom)
 PAD_dsk		= $(PADIMG) --blksize=512 $@
 PAD_hd		= $(PADIMG) --blksize=32768 $@
 
diff --git a/src/arch/i386/prefix/hromprefix.S b/src/arch/i386/prefix/hromprefix.S
deleted file mode 100644
index 03acf1e2..00000000
--- a/src/arch/i386/prefix/hromprefix.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/*****************************************************************************
- * ROM prefix that relocates to HIGHMEM_LOADPOINT during POST if PMM allocation
- * fails. Intended to be used, with caution, on BIOSes that support PCI3.00 but
- * have limited PMM support, such as most AMI BIOSes.
- *****************************************************************************
- */
-
-FILE_LICENCE ( GPL2_OR_LATER )
-
-#define SHRINK_WITHOUT_PMM
-
-#include "romprefix.S"
diff --git a/src/arch/i386/prefix/romprefix.S b/src/arch/i386/prefix/romprefix.S
index e7d146eb..2d70cd21 100644
--- a/src/arch/i386/prefix/romprefix.S
+++ b/src/arch/i386/prefix/romprefix.S
@@ -352,7 +352,6 @@ got_pmm: /* PMM allocation succeeded */
 	call	print_character
 	movw	%si, %ax
 	call	print_hex_byte
-pmm_copy:
 	/* Copy ROM to PMM block */
 	xorw	%ax, %ax
 	movw	%ax, %es
@@ -364,19 +363,7 @@ pmm_copy:
 	movl	%edi, decompress_to
 	/* Shrink ROM */
 	movb	$_prefix_memsz_sect, romheader_size
-#ifdef SHRINK_WITHOUT_PMM
-	jmp	pmm_done
 pmm_fail:
-	/* Print marker and copy ourselves to high memory */
-	movl	$HIGHMEM_LOADPOINT, image_source
-	xorw	%di, %di
-	movb	$( '!' ), %al
-	call	print_character
-	jmp	pmm_copy
-pmm_done:
-#else
-pmm_fail:
-#endif
 	/* Restore upper register halves */
 	popal
 no_pmm: