diff --git a/src/makeBaseApp/top/configure/RULES.iocBoot b/src/makeBaseApp/top/configure/RULES.iocBoot
index bb7c780fc..dda1af673 100644
--- a/src/makeBaseApp/top/configure/RULES.iocBoot
+++ b/src/makeBaseApp/top/configure/RULES.iocBoot
@@ -1,4 +1,2 @@
 #RULES.iocBoot
-DIRS += $(wildcard ioc*)
-DIRS += $(wildcard as*)
-include $(EPICS_BASE)/configure/RULES_DIRS
+include $(EPICS_BASE)/configure/RULES.iocBoot