diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 84f11728fc76e8438907be59f187ffb7fef96d72..99a80181167143e97333ddc073568f060bca4dba 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -301,7 +301,7 @@ static int vmalloc_fault(unsigned long address)
 	return 0;
 }
 
-int page_fault_trace = 0;
+static int page_fault_trace;
 int exception_trace = 1;
 
 /*
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 2f673225a51f4e650b3c7a62eb10146976da8b99..381c2ecd407e3b08137b2f1d7cb4ac6afa1d62ce 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -700,8 +700,6 @@ int kern_addr_valid(unsigned long addr)
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 
-extern int exception_trace, page_fault_trace;
-
 static ctl_table debug_table2[] = {
 	{
 		.ctl_name	= 99,