diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 6e07e981c8ff..61a59b18e9d6 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -103,12 +103,6 @@ if ARCH_SHMOBILE_LEGACY
 
 comment "Renesas ARM SoCs System Type"
 
-config ARCH_R8A7778
-	bool "R-Car M1A (R8A77781)"
-	select ARCH_RCAR_GEN1
-	select ARCH_WANT_OPTIONAL_GPIOLIB
-	select ARM_GIC
-
 config ARCH_R8A7779
 	bool "R-Car H1 (R8A77790)"
 	select ARCH_RCAR_GEN1