diff --git a/acinclude.m4 b/acinclude.m4
index 32d5477..89b1710 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -210,80 +210,6 @@ fi
 ])
 
 
-dnl Mass confusion!
-dnl Older versions of GAS interpret `.code16' to mean ``generate 32-bit
-dnl instructions, but implicitly insert addr32 and data32 bytes so
-dnl that the code works in real mode''.
-dnl
-dnl Newer versions of GAS interpret `.code16' to mean ``generate 16-bit
-dnl instructions,'' which seems right.  This requires the programmer
-dnl to explicitly insert addr32 and data32 instructions when they want
-dnl them.
-dnl
-dnl We only support the newer versions, because the old versions cause
-dnl major pain, by requiring manual assembly to get 16-bit instructions into
-dnl asm files.
-AC_DEFUN([grub_I386_ASM_ADDR32],
-[AC_REQUIRE([AC_PROG_CC])
-AC_REQUIRE([grub_I386_ASM_PREFIX_REQUIREMENT])
-AC_MSG_CHECKING([for .code16 addr32 assembler support])
-AC_CACHE_VAL(grub_cv_i386_asm_addr32,
-[cat > conftest.s.in <<\EOF
-	.code16
-l1:	@ADDR32@	movb	%al, l1
-EOF
-
-if test "x$grub_cv_i386_asm_prefix_requirement" = xyes; then
-  sed -e s/@ADDR32@/addr32/ < conftest.s.in > conftest.s
-else
-  sed -e s/@ADDR32@/addr32\;/ < conftest.s.in > conftest.s
-fi
-
-if AC_TRY_COMMAND([${CC-cc} ${TARGET_CCASFLAGS} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then
-  grub_cv_i386_asm_addr32=yes
-else
-  grub_cv_i386_asm_addr32=no
-fi
-
-rm -f conftest*])
-
-AC_MSG_RESULT([$grub_cv_i386_asm_addr32])])
-
-dnl Later versions of GAS requires that addr32 and data32 prefixes
-dnl appear in the same lines as the instructions they modify, while
-dnl earlier versions requires that they appear in separate lines.
-AC_DEFUN([grub_I386_ASM_PREFIX_REQUIREMENT],
-[AC_REQUIRE([AC_PROG_CC])
-AC_MSG_CHECKING(dnl
-[whether addr32 must be in the same line as the instruction])
-AC_CACHE_VAL(grub_cv_i386_asm_prefix_requirement,
-[cat > conftest.s <<\EOF
-	.code16
-l1:	addr32	movb	%al, l1
-EOF
-
-if AC_TRY_COMMAND([${CC-cc} ${TARGET_CCASFLAGS} ${CFLAGS} -c conftest.s]) && test -s conftest.o; then
-  grub_cv_i386_asm_prefix_requirement=yes
-else
-  grub_cv_i386_asm_prefix_requirement=no
-fi
-
-rm -f conftest*])
-
-if test "x$grub_cv_i386_asm_prefix_requirement" = xyes; then
-  grub_tmp_addr32="addr32"
-  grub_tmp_data32="data32"
-else
-  grub_tmp_addr32="addr32;"
-  grub_tmp_data32="data32;"
-fi
-
-ADDR32=$grub_tmp_addr32
-DATA32=$grub_tmp_data32
-
-AC_MSG_RESULT([$grub_cv_i386_asm_prefix_requirement])])
-
-
 dnl Check what symbol is defined as a bss start symbol.
 dnl Written by Michael Hohmoth and Yoshinori K. Okuji.
 AC_DEFUN([grub_CHECK_BSS_START_SYMBOL],
diff --git a/config.h.in b/config.h.in
index 4b63014..d93b687 100644
--- a/config.h.in
+++ b/config.h.in
@@ -31,10 +31,6 @@
 #define HAVE_FONT_SOURCE @HAVE_FONT_SOURCE@
 /* Define if C symbols get an underscore after compilation. */
 #define HAVE_ASM_USCORE @HAVE_ASM_USCORE@
-/* Define it to \"addr32\" or \"addr32;\" to make GAS happy.  */
-#define ADDR32 @ADDR32@
-/* Define it to \"data32\" or \"data32;\" to make GAS happy. */
-#define DATA32 @DATA32@
 /* Define it to one of __bss_start, edata and _edata.  */
 #define BSS_START_SYMBOL @BSS_START_SYMBOL@
 /* Define it to either end or _end.  */
diff --git a/configure.ac b/configure.ac
index 77c942a..b25304f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1046,8 +1046,6 @@ if test "x$target_cpu" = xi386; then
     grub_CHECK_END_SYMBOL
   fi
   CFLAGS="$TARGET_CFLAGS"
-  grub_I386_ASM_PREFIX_REQUIREMENT
-  grub_I386_ASM_ADDR32
 fi
 
 grub_PROG_NM_WORKS
@@ -1568,8 +1566,6 @@ AS_IF([test x$target_cpu = xi386 -a x$platform = xqemu],
 	    [AC_SUBST([GRUB_BOOT_MACHINE_LINK_ADDR], 0xffe00)])
 
 AC_SUBST(HAVE_ASM_USCORE)
-AC_SUBST(ADDR32)
-AC_SUBST(DATA32)
 AC_SUBST(BSS_START_SYMBOL)
 AC_SUBST(END_SYMBOL)
 AC_SUBST(PACKAGE)
diff --git a/grub-core/boot/i386/pc/startup_raw.S b/grub-core/boot/i386/pc/startup_raw.S
index 2796740..7b1c502 100644
--- a/grub-core/boot/i386/pc/startup_raw.S
+++ b/grub-core/boot/i386/pc/startup_raw.S
@@ -89,13 +89,13 @@ LOCAL (codestart):
 	sti		/* we're safe again */
 
 	/* save the boot drive */
-	ADDR32	movb	%dl, LOCAL(boot_drive)
+	movb	%dl, LOCAL(boot_drive)
 
 	/* reset disk system (%ah = 0) */
 	int	$0x13
 
 	/* transition to protected mode */
-	DATA32	call real_to_prot
+	calll	real_to_prot
 
 	/* The ".code32" directive takes GAS out of 16-bit mode. */
 	.code32
@@ -149,7 +149,7 @@ gate_a20_try_bios:
 	movw	$0x2401, %ax
 	int	$0x15
 
-	DATA32	call	real_to_prot
+	calll	real_to_prot
 	.code32
 
 	popl	%ebp
diff --git a/grub-core/boot/i386/qemu/boot.S b/grub-core/boot/i386/qemu/boot.S
index bdd68c7..8d97fc1 100644
--- a/grub-core/boot/i386/qemu/boot.S
+++ b/grub-core/boot/i386/qemu/boot.S
@@ -48,7 +48,7 @@ VARIABLE(grub_core_entry_addr)
 	/* Transition to protected mode.  We use pushl to force generation
 	   of a flat return address.  */
 	pushl	$1f
-	DATA32	jmp real_to_prot
+	jmpl	real_to_prot
 	.code32
 	/* Ensure A20 is enabled. We're in qemu, so control port A works
 	   and there is no need to wait since there is no real logic, it's
diff --git a/grub-core/kern/i386/pc/startup.S b/grub-core/kern/i386/pc/startup.S
index 6bb36c6..b8a9b33 100644
--- a/grub-core/kern/i386/pc/startup.S
+++ b/grub-core/kern/i386/pc/startup.S
@@ -135,7 +135,7 @@ LOCAL(prot_to_real_addr):
 
 	.macro REAL_TO_PROT
 	movl	LOCAL(real_to_prot_addr), %eax
-	DATA32	call	*%ax
+	calll	*%eax
 	.endm
 
 /*
diff --git a/grub-core/kern/i386/realmode.S b/grub-core/kern/i386/realmode.S
index 541cedc..1384d52 100644
--- a/grub-core/kern/i386/realmode.S
+++ b/grub-core/kern/i386/realmode.S
@@ -54,7 +54,7 @@ protstack:
 	.endm
 
 	.macro REAL_TO_PROT
-	DATA32	call	real_to_prot
+	calll	real_to_prot
 	.endm
 
 /*
@@ -137,7 +137,7 @@ real_to_prot:
 	/* load the GDT register */
 	xorw	%ax, %ax
 	movw	%ax, %ds
-	DATA32	ADDR32	lgdt	gdtdesc
+	lgdtl	gdtdesc
 
 	/* turn on protected mode */
 	movl	%cr0, %eax
@@ -145,7 +145,7 @@ real_to_prot:
 	movl	%eax, %cr0
 
 	/* jump to relocation, flush prefetch queue, and reload %cs */
-	DATA32	ljmp	$GRUB_MEMORY_MACHINE_PROT_MODE_CSEG, $protcseg
+	ljmpl	$GRUB_MEMORY_MACHINE_PROT_MODE_CSEG, $protcseg
 
 	.code32
 protcseg:
@@ -237,7 +237,7 @@ tmpcseg:
 	movl	%eax, %cr0
 
 	/* flush prefetch queue, reload %cs */
-	DATA32	ljmp	$0, $realcseg
+	ljmpl	$0, $realcseg
 
 realcseg:
 	/* we are in real mode now
@@ -258,6 +258,6 @@ realcseg:
 #endif
 
 	/* return on new stack! */
-	DATA32	ret
+	retl
 
 	.code32
diff --git a/grub-core/modinfo.sh.in b/grub-core/modinfo.sh.in
index d46b56c..ebe93bb 100644
--- a/grub-core/modinfo.sh.in
+++ b/grub-core/modinfo.sh.in
@@ -9,8 +9,6 @@ address@hidden@
 
 # Autodetected config
 address@hidden@
-grub_i8086_addr32="@ADDR32@"
-grub_i8086_data32="@DATA32@"
 grub_bss_start_symbol="@BSS_START_SYMBOL@"
 grub_end_symbol="@END_SYMBOL@"