1 files changed, 0 insertions, 1 deletions

diff --git a/arch/um/include/mem_user.h b/arch/um/include/mem_user.h
index 4e6707bd0a08..46384acd547b 100644
--- a/arch/um/include/mem_user.h
+++ b/arch/um/include/mem_user.h
@@ -56,7 +56,6 @@ extern void setup_physmem(unsigned long start, unsigned long usable,
                           unsigned long len, unsigned long long highmem);
 extern void add_iomem(char *name, int fd, unsigned long size);
 extern unsigned long phys_offset(unsigned long phys);
-extern void unmap_physmem(void);
 extern void map_memory(unsigned long virt, unsigned long phys,
                        unsigned long len, int r, int w, int x);