diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 26719bd2c77ce01c8e087fca9c86ad5d3f067278..763dfc407232b0133750f3f61898a120f0685ebc 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -39,7 +39,7 @@
 #define HAVE_HWFP 1
 #endif
 
-unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
+static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
 
 void mxcsr_feature_mask_init(void)
 {
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index 6b1895ccd6b78854bd3dc9f7f710ea1bc24ff9bb..f377b76b2f341e727f98a0232bd7fe7cca71def6 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -20,7 +20,6 @@
 #include <asm/uaccess.h>
 
 extern void fpu_init(void);
-extern unsigned int mxcsr_feature_mask;
 extern void mxcsr_feature_mask_init(void);
 extern void init_fpu(struct task_struct *child);
 extern asmlinkage void math_state_restore(void);