diff --git a/arch/x86/kernel/bigsmp_32.c b/arch/x86/kernel/bigsmp_32.c
index 72f4e534051e8ab608abd54b871a8fb1959b542f..f49af36351fa0b5c78e80e5298dc78a4ec860398 100644
--- a/arch/x86/kernel/bigsmp_32.c
+++ b/arch/x86/kernel/bigsmp_32.c
@@ -2,7 +2,6 @@
  * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs.
  * Drives the local APIC in "clustered mode".
  */
-#define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <asm/mpspec.h>
diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c
index 352d870e5d55fbc304bb57a5ebf926264571cb01..cf53a98dbf1025d4322a9533f91263b67332a0df 100644
--- a/arch/x86/kernel/es7000_32.c
+++ b/arch/x86/kernel/es7000_32.c
@@ -383,7 +383,6 @@ void __init es7000_enable_apic_mode(void)
 /*
  * APIC driver for the Unisys ES7000 chipset.
  */
-#define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <asm/mpspec.h>
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 40400a58845426fe1cdd72ea48050c3f06a20813..dcf22f50827395235c2f1fc1b387db410cdcaa53 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -297,7 +297,6 @@ int __init get_memcfg_numaq(void)
 /*
  * APIC driver for the IBM NUMAQ chipset.
  */
-#define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <asm/mpspec.h>
diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c
index 577b0bd8e537cab27e88ff112ba22cc0083a09c3..305977789144b85fc3d38b0c5a2e6e262fcfc03c 100644
--- a/arch/x86/kernel/summit_32.c
+++ b/arch/x86/kernel/summit_32.c
@@ -34,7 +34,6 @@
 /*
  * APIC driver for the IBM "Summit" chipset.
  */
-#define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 #include <asm/mpspec.h>