diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 18b0197f2384..48ec1d0337da 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -11,7 +11,6 @@
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
 
 #ifndef __ASSEMBLY__
-extern void mcount(void);
 extern void __gnu_mcount_nc(void);
 
 #ifdef CONFIG_DYNAMIC_FTRACE
@@ -23,9 +22,6 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 	/* With Thumb-2, the recorded addresses have the lsb set */
 	return addr & ~1;
 }
-
-extern void ftrace_caller_old(void);
-extern void ftrace_call_old(void);
 #endif
 
 #endif