diff --git a/include/common.h b/include/common.h
index 7205677..fb337791 100644
--- a/include/common.h
+++ b/include/common.h
@@ -659,7 +659,7 @@
 }
 #endif
 
-#if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
+#if defined(CONFIG_4xx)
 #  if defined(CONFIG_440)
 #	if defined(CONFIG_440SPE)
 	 unsigned long determine_sysper(void);