Index: kernel/arch/ppc32/include/exception.h
===================================================================
--- kernel/arch/ppc32/include/exception.h	(revision 5b8016d235197748543b24787bd15cf1ba6864fb)
+++ kernel/arch/ppc32/include/exception.h	(revision 793cf029ed8fa198abf49a9bf9cb846bf82cddc5)
@@ -106,6 +106,4 @@
 }
 
-extern void decode_istate(istate_t *);
-
 #endif