diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c
index 51a55b0..133a4da 100644
--- a/arch/arc/kernel/traps.c
+++ b/arch/arc/kernel/traps.c
@@ -169,4 +169,3 @@ void abort(void)
 {
 	__asm__ __volatile__("trap_s  5\n");
 }
-EXPORT_SYMBOL(abort);
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index e344bdd..917b425 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -786,15 +786,6 @@ asmlinkage void __div0(void)
 }
 EXPORT_SYMBOL(__div0);
 
-void abort(void)
-{
-	BUG();
-
-	/* if that doesn't kill us, halt */
-	panic("Oops failed to kill thread");
-}
-EXPORT_SYMBOL(abort);
-
 void __init trap_init(void)
 {
 	return;
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index cb79fba..a6f300a 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -115,15 +115,6 @@ static void set_eit_vector_entries(void)
 	_flush_cache_copyback_all();
 }
 
-void abort(void)
-{
-	BUG();
-
-	/* if that doesn't kill us, halt */
-	panic("Oops failed to kill thread");
-}
-EXPORT_SYMBOL(abort);
-
 void __init trap_init(void)
 {
 	set_eit_vector_entries();
diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
index 5f25b39..30d6613 100644
--- a/arch/unicore32/kernel/traps.c
+++ b/arch/unicore32/kernel/traps.c
@@ -291,15 +291,6 @@ asmlinkage void __div0(void)
 }
 EXPORT_SYMBOL(__div0);
 
-void abort(void)
-{
-	BUG();
-
-	/* if that doesn't kill us, halt */
-	panic("Oops failed to kill thread");
-}
-EXPORT_SYMBOL(abort);
-
 void __init trap_init(void)
 {
 	return;