diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 166cb09..abafa64 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -317,7 +317,7 @@
 	}
 }
 
-extern int __syscall_stub_start, __binary_start;
+extern int __syscall_stub_start;
 
 void setup_physmem(unsigned long start, unsigned long reserve_end,
 		   unsigned long len, unsigned long long highmem)