diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 87f1bd1efc82b7c46eb7a1e35c7e337c83625411..954d398a54b4e7f60de2aaeabef172a0774fd93f 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -356,8 +356,6 @@ asmlinkage unsigned long sys_mmap2(
 				int fd, long pgoff);
 struct pt_regs;
 struct sigaction;
-long sys_execve(const char __user *filename, char __user * __user *argv,
-			   char __user * __user *envp, struct pt_regs *regs);
 asmlinkage long sys_ia64_pipe(void);
 asmlinkage long sys_rt_sigaction(int sig,
 				 const struct sigaction __user *act,