1 files changed, 0 insertions, 3 deletions

diff --git a/include/asm-x86/proto.h b/include/asm-x86/proto.h
index 8ed1ebf666be..a47e526716f4 100644
--- a/include/asm-x86/proto.h
+++ b/include/asm-x86/proto.h
@@ -51,11 +51,8 @@ extern void check_efer(void);
 extern unsigned long table_start, table_end;
 
 extern int exception_trace;
-extern unsigned cpu_khz;
-extern unsigned tsc_khz;
 
 extern int reboot_force;
-extern int notsc_setup(char *);
 
 extern int gsi_irq_sharing(int gsi);