diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig
index 3a0c29b..b136e9e 100644
--- a/src/cpu/x86/Kconfig
+++ b/src/cpu/x86/Kconfig
@@ -2,7 +2,6 @@
 
 config PARALLEL_MP
 	def_bool y
-	depends on !LEGACY_SMP_INIT
 	select CPU_INFO_V2
 	help
 	 This option uses common MP infrastructure for bringing up APs
@@ -27,9 +26,6 @@
 	  with a stub at 0x30000. This is useful on platforms that have
 	  an alternative way to set SMBASE.
 
-config LEGACY_SMP_INIT
-	bool
-
 config DEFAULT_X2APIC
 	def_bool n
 	help
@@ -154,13 +150,7 @@
 	default y
 	depends on !(NO_SMM || SMM_ASEG)
 
-config SMM_LEGACY_ASEG
-	bool
-	default y if HAVE_SMI_HANDLER && SMM_ASEG && LEGACY_SMP_INIT
-	help
-	  SMM support without PARALLEL_MP, to be deprecated.
-
-if HAVE_SMI_HANDLER && !SMM_LEGACY_ASEG
+if HAVE_SMI_HANDLER
 
 config SMM_MODULE_STACK_SIZE
 	hex