1 files changed, 0 insertions, 4 deletions

diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 42557130a408..efa3d33c0be6 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -117,10 +117,6 @@ extern struct task_struct *get_task(int pid, int require);
 extern void machine_halt(void);
 extern int is_syscall(unsigned long addr);
 
-extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
-
-extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
-
 extern void free_irq(unsigned int, void *);
 extern int cpu(void);