diff --git a/include/asm-mips/mipsmtregs.h b/include/asm-mips/mipsmtregs.h
index 3e9468f424f4..294bca12cd3f 100644
--- a/include/asm-mips/mipsmtregs.h
+++ b/include/asm-mips/mipsmtregs.h
@@ -165,8 +165,6 @@
 
 #ifndef __ASSEMBLY__
 
-extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
-
 static inline unsigned int dvpe(void)
 {
 	int res = 0;