diff --git a/src/cpu/core_16/Makefile.am b/src/cpu/core_16/Makefile.am
index 27aa2848..2971ca9c 100644
--- a/src/cpu/core_16/Makefile.am
+++ b/src/cpu/core_16/Makefile.am
@@ -1,3 +1,3 @@
 
-noinst_HEADERS = helpers.h main.h prefix_66.h prefix_of.h start.h stop.h support.h table_ea.h \
+noinst_HEADERS = helpers.h main.h prefix_66.h prefix_of.h support.h table_ea.h \
 		prefix_66_of.h