diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 328774b..3697231 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -120,6 +120,8 @@
 config PPC
 	bool
 	default y
+	select OF
+	select OF_FLATTREE
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FUNCTION_TRACER
@@ -173,8 +175,7 @@
 	def_bool y
 
 config OF
-	def_bool y
-	select OF_FLATTREE
+	bool
 
 config PPC_UDBG_16550
 	bool