diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 3f390e8cc0b33fdee5070297d99d30e102f90557..c46e714aa3e024ccd04ec7cf11207ba0a1243b13 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -39,8 +39,6 @@ struct cpuinfo_alpha {
 
 extern struct cpuinfo_alpha cpu_data[NR_CPUS];
 
-#define PROC_CHANGE_PENALTY     20
-
 #define hard_smp_processor_id()	__hard_smp_processor_id()
 #define raw_smp_processor_id()	(current_thread_info()->cpu)
 
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index a87664f54f93480b702afe8c52d838052217bc58..d2b514fd76f429afc53044bcce274fa3eda8c137 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -20,12 +20,6 @@
 
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
-/*
- * at the moment, there's not a big penalty for changing CPUs
- * (the >big< penalty is running SMP in the first place)
- */
-#define PROC_CHANGE_PENALTY		15
-
 struct seq_file;
 
 /*
diff --git a/arch/m32r/include/asm/smp.h b/arch/m32r/include/asm/smp.h
index e67ded1aab9100df5d478573945166b70a7b4105..8accc1bb026323552b534b70c51e28fb82cd19e9 100644
--- a/arch/m32r/include/asm/smp.h
+++ b/arch/m32r/include/asm/smp.h
@@ -94,8 +94,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 #define NO_PROC_ID (0xff)	/* No processor magic marker */
 
-#define PROC_CHANGE_PENALTY	(15)	/* Schedule penalty */
-
 /*
  * M32R-mp IPI
  */
diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h
index 2e73623feb6ba28d4590eafc02b573f8acb7c2c4..e8f8037d872bc91c794f50ba5fd7a0f8eb996232 100644
--- a/arch/parisc/include/asm/smp.h
+++ b/arch/parisc/include/asm/smp.h
@@ -33,15 +33,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 #endif /* !ASSEMBLY */
 
-/*
- *	This magic constant controls our willingness to transfer
- *      a process across CPUs. Such a transfer incurs cache and tlb
- *      misses. The current value is inherited from i386. Still needs
- *      to be tuned for parisc.
- */
- 
-#define PROC_CHANGE_PENALTY	15		/* Schedule penalty */
-
 #define raw_smp_processor_id()	(current_thread_info()->cpu)
 
 #else /* CONFIG_SMP */
diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
index f27a963131741ba935f80ec424c9b4c413ae63d4..4a4b09d4f36648c0bf85724aa9533d9890403a07 100644
--- a/arch/um/include/asm/smp.h
+++ b/arch/um/include/asm/smp.h
@@ -11,7 +11,6 @@
 
 #define cpu_logical_map(n) (n)
 #define cpu_number_map(n) (n)
-#define PROC_CHANGE_PENALTY	15 /* Pick a number, any number */
 extern int hard_smp_processor_id(void);
 #define NO_PROC_ID -1