diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
index 3cf78f160846..5f1508eeb84d 100644
--- a/arch/sparc/kernel/setup.c
+++ b/arch/sparc/kernel/setup.c
@@ -191,7 +191,6 @@ extern int prom_probe_memory(void);
 extern void sun4c_probe_vac(void);
 extern char cputypval;
 extern unsigned long start, end;
-extern void panic_setup(char *, int *);
 
 extern unsigned short root_flags;
 extern unsigned short root_dev;
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 9b892ff4e8ef..82b4d091e4f4 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -157,8 +157,6 @@ static void __init boot_flags_init(char *commands)
 	}
 }
 
-extern void panic_setup(char *, int *);
-
 extern unsigned short root_flags;
 extern unsigned short root_dev;
 extern unsigned short ram_flags;