diff --git a/src/mainboard/lenovo/x201/Kconfig b/src/mainboard/lenovo/x201/Kconfig
index 0f8c4d47b9..905d81d682 100644
--- a/src/mainboard/lenovo/x201/Kconfig
+++ b/src/mainboard/lenovo/x201/Kconfig
@@ -43,10 +43,6 @@ config MAX_CPUS
 	int
 	default 4
 
-config CPU_ADDR_BITS
-	int
-	default 36
-
 # Without the Intel ME's EFFS partition some PCIe devices (like the USB and SATA
 # controllers) don't work as expected
 config ME_CLEANER_ARGS
diff --git a/src/mainboard/packardbell/ms2290/Kconfig b/src/mainboard/packardbell/ms2290/Kconfig
index 932d6b84bf..a104fecd8c 100644
--- a/src/mainboard/packardbell/ms2290/Kconfig
+++ b/src/mainboard/packardbell/ms2290/Kconfig
@@ -42,8 +42,4 @@ config MAX_CPUS
 	int
 	default 4
 
-config CPU_ADDR_BITS
-	int
-	default 36
-
 endif