Index: kernel/arch/ppc32/include/exception.h
===================================================================
--- kernel/arch/ppc32/include/exception.h	(revision 5b8016d235197748543b24787bd15cf1ba6864fb)
+++ kernel/arch/ppc32/include/exception.h	(revision 4d1be48b28f0f2235d0c72e58e71cccd21a36937)
@@ -106,6 +106,4 @@
 }
 
-extern void decode_istate(istate_t *);
-
 #endif
 
