diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index 5a9394763a666d8a6d1ae9777c91251dd97d3df2..31268a5bf63e35f9ef74db6d3d965496c853dc69 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -14,8 +14,4 @@
 #define __SI_SYS	(7 << 16)
 #define __SI_CODE(T,N)	((T) | ((N) & 0xffff))
 
-struct siginfo;
-
-extern int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
-
 #endif
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 80c7418be359d3a9fee86b9c216790a928d7a6ce..a39feddd71ba47b67e16351b2f02ea1523943872 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -19,6 +19,8 @@ static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
 		memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
 }
 
+int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
+
 /*
  * Define some primitives to manipulate sigset_t.
  */