diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h
index a6886f6e4819..4104d5783e2c 100644
--- a/arch/blackfin/include/asm/entry.h
+++ b/arch/blackfin/include/asm/entry.h
@@ -15,14 +15,6 @@
 #define	LFLUSH_I_AND_D	0x00000808
 #define	LSIGTRAP	5
 
-/* process bits for task_struct.flags */
-#define	PF_TRACESYS_OFF	3
-#define	PF_TRACESYS_BIT	5
-#define	PF_PTRACED_OFF	3
-#define	PF_PTRACED_BIT	4
-#define	PF_DTRACE_OFF	1
-#define	PF_DTRACE_BIT	5
-
 /*
  * NOTE!  The single-stepping code assumes that all interrupt handlers
  * start by saving SYSCFG on the stack with their first instruction.
diff --git a/arch/m68k/include/asm/entry_mm.h b/arch/m68k/include/asm/entry_mm.h
index e41fea399bfe..73b8c8fbed9c 100644
--- a/arch/m68k/include/asm/entry_mm.h
+++ b/arch/m68k/include/asm/entry_mm.h
@@ -50,14 +50,6 @@
 
 LFLUSH_I_AND_D = 0x00000808
 
-/* process bits for task_struct.ptrace */
-PT_TRACESYS_OFF = 3
-PT_TRACESYS_BIT = 1
-PT_PTRACED_OFF = 3
-PT_PTRACED_BIT = 0
-PT_DTRACE_OFF = 3
-PT_DTRACE_BIT = 2
-
 #define SAVE_ALL_INT save_all_int
 #define SAVE_ALL_SYS save_all_sys
 #define RESTORE_ALL restore_all
diff --git a/arch/m68k/include/asm/entry_no.h b/arch/m68k/include/asm/entry_no.h
index 80e41492aa2a..26be277394f9 100644
--- a/arch/m68k/include/asm/entry_no.h
+++ b/arch/m68k/include/asm/entry_no.h
@@ -32,16 +32,6 @@
 
 #ifdef __ASSEMBLY__
 
-/* process bits for task_struct.flags */
-PF_TRACESYS_OFF = 3
-PF_TRACESYS_BIT = 5
-PF_PTRACED_OFF = 3
-PF_PTRACED_BIT = 4
-PF_DTRACE_OFF = 1
-PF_DTRACE_BIT = 5
-
-LENOSYS = 38
-
 #define SWITCH_STACK_SIZE (6*4+4)	/* Includes return address */
 
 /*