--- Libc/Libc-1725.40.4/Platforms/driverkit/Makefile.inc
+++ /dev/null
@@ -1,48 +0,0 @@
-#
-# Selectable features for DriverKit
-#
-
-# Legacy *64 APIs
-#FEATURE_LEGACY_64_APIS = 1
-
-# Legacy crt1.o environ support
-#FEATURE_LEGACY_CRT1_ENVIRON = 1
-
-# Legacy rune APIs
-#FEATURE_LEGACY_RUNE_APIS = 1
-
-# Legacy utmp APIs
-#FEATURE_LEGACY_UTMP_APIS = 1
-
-# OSThermalNotification APIs
-#FEATURE_THERM_NOTIFICATION_APIS = 1
-
-# No pre-1050 variants (should match sys/cdefs.h)
-FEATURE_ONLY_1050_VARIANTS = 1
-
-# No legacy variants (should match sys/cdefs.h)
-FEATURE_ONLY_UNIX_CONFORMANCE = 1
-
-# Only 64-bit ino_t (should match sys/cdefs.h)
-FEATURE_ONLY_64_BIT_INO_T = 1
-
-# Patch 3333969
-#FEATURE_PATCH_3333969 = 1
-
-# Patch 3417676
-#FEATURE_PATCH_3417676 = 1
-
-# plockstat dtrace support
-#FEATURE_PLOCKSTAT = 1
-
-# Timezone change notification
-#FEATURE_TIMEZONE_CHANGE_NOTIFICATION = 1
-
-# Extensible printf performance enhancement (uses more memory)
-#FEATURE_XPRINTF_PERF = 1
-
-# Disable registration of specific signals (<rdar://problem/21952708>)
-# FEATURE_SIGNAL_RESTRICTION = 0
-
-# Enable 32-bit compilation in unistd.h (<rdar://problem/51818745>)
-# FEATURE_POSIX_ILP32_ALLOW = 0