diff --git a/Makefile.wiiu b/Makefile.wiiu
index 4a9f3bc675..5b2d3625a9 100644
--- a/Makefile.wiiu
+++ b/Makefile.wiiu
@@ -91,12 +91,14 @@ else
 
 ifeq ($(HAVE_RUNAHEAD),1)
 	DEFINES += -DHAVE_RUNAHEAD
+ifneq ($(GRIFFIN_BUILD), 1)
 	OBJ += runahead/copy_load_info.o
 	OBJ += runahead/dirty_input.o
 	OBJ += runahead/mem_util.o
 	OBJ += runahead/mylist.o
 	OBJ += runahead/run_ahead.o
 	OBJ += runahead/secondary_core.o
+endif
 endif
 
    OBJ += wiiu/system/missing_libc_functions.o