diff --git a/bsp/qemu-virt64-riscv/Kconfig b/bsp/qemu-virt64-riscv/Kconfig
index e955063ec6..053cacc57c 100644
--- a/bsp/qemu-virt64-riscv/Kconfig
+++ b/bsp/qemu-virt64-riscv/Kconfig
@@ -59,7 +59,3 @@ config ARCH_USING_NEW_CTX_SWITCH
 config __STACKSIZE__
     int "stack size for interrupt"
     default 4096
-
-config RT_USING_RV64ILP32
-    bool "Use RV64ILP32 toolchain"
-    default n
\ No newline at end of file