--- xnu/xnu-12377.101.15/iokit/System/Makefile
+++ /dev/null
@@ -1,24 +0,0 @@
-export MakeInc_cmd=${SRCROOT}/makedefs/MakeInc.cmd
-export MakeInc_def=${SRCROOT}/makedefs/MakeInc.def
-export MakeInc_rule=${SRCROOT}/makedefs/MakeInc.rule
-export MakeInc_dir=${SRCROOT}/makedefs/MakeInc.dir
-
-# These are System.framework headers
-
-include $(MakeInc_cmd)
-include $(MakeInc_def)
-
-ALL_HDRS = $(shell (cd $(SOURCE); echo *.h))
-
-# INSTINC_SUBDIRS = Headers
-
-EXPINC_SUBDIRS = ${INSTINC_SUBDIRS}
-
-# INSTALL_MI_DIR = .
-
-INSTALL_SF_MI_LCL_LIST = $(ALL_HDRS)
-
-INSTALL_MI_GEN_LIST = $(GENERATED_HEADERS)
-
-include $(MakeInc_rule)
-include $(MakeInc_dir)