1 files changed, 0 insertions, 2 deletions

diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index be4bfb43d6dd..5f197b0a330a 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -34,8 +34,6 @@ static void __init clear_bss(void)
 #define OLD_CL_BASE_ADDR        0x90000
 #define OLD_CL_OFFSET           0x90022
 
-extern char __initdata boot_command_line[];
-
 static void __init copy_bootdata(char *real_mode_data)
 {
         int new_data;