diff --git a/arch/x86/kernel/sigframe.h b/arch/x86/kernel/sigframe.h
index cc673aa55ce4..6dd7e2b70a4b 100644
--- a/arch/x86/kernel/sigframe.h
+++ b/arch/x86/kernel/sigframe.h
@@ -34,9 +34,4 @@ struct rt_sigframe {
 	struct siginfo info;
 	/* fp state follows here */
 };
-
-int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-		sigset_t *set, struct pt_regs *regs);
-int ia32_setup_frame(int sig, struct k_sigaction *ka,
-		sigset_t *set, struct pt_regs *regs);
 #endif
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 2725a294d734..848c2d64a289 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -671,6 +671,11 @@ static int signr_convert(int sig)
 #define is_ia32	0
 #endif /* CONFIG_IA32_EMULATION */
 
+int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+		sigset_t *set, struct pt_regs *regs);
+int ia32_setup_frame(int sig, struct k_sigaction *ka,
+		sigset_t *set, struct pt_regs *regs);
+
 #endif /* CONFIG_X86_32 */
 
 static int