Index: defaults/sparc64/Makefile.config
===================================================================
--- defaults/sparc64/Makefile.config	(revision 2429e4a21037762ab4104bb2ea7d71156b2fbf0d)
+++ defaults/sparc64/Makefile.config	(revision e944e4ce1b5a1da731e04b19f69f2d652f1b24e1)
@@ -53,7 +53,4 @@
 CONFIG_AP = y
 
-# Preserve A.OUT header in isofs.b
-CONFIG_AOUT_ISOFS_B = y
-
 # Load disk drivers on startup
 CONFIG_START_BD = n
Index: defaults/sparc64/serengeti/Makefile.config
===================================================================
--- defaults/sparc64/serengeti/Makefile.config	(revision 2429e4a21037762ab4104bb2ea7d71156b2fbf0d)
+++ 	(revision )
@@ -1,11 +1,0 @@
-# Machine type
-MACHINE = serengeti
-RDFMT = tmpfs
-CONFIG_SMP = n
-CONFIG_DEBUG = n
-CONFIG_UDEBUG = n
-CONFIG_SYMTAB = n
-CONFIG_TEST = n
-CONFIG_STRIP_BINARIES = y
-CONFIG_OPTIMIZE_FOR_SIZE = y
-CONFIG_BAREBONE = y