diff --git a/init/version.c b/init/version.c
index 80d2b7566b39..92afc782b043 100644
--- a/init/version.c
+++ b/init/version.c
@@ -16,14 +16,6 @@
 #include <linux/version.h>
 #include <linux/proc_ns.h>
 
-#ifndef CONFIG_KALLSYMS
-#define version(a) Version_ ## a
-#define version_string(a) version(a)
-
-extern int version_string(LINUX_VERSION_CODE);
-int version_string(LINUX_VERSION_CODE);
-#endif
-
 struct uts_namespace init_uts_ns = {
 	.ns.count = REFCOUNT_INIT(2),
 	.name = {