diff --git a/bsp/k230/.config b/bsp/k230/.config
index 66218422f42..1e9ca9c1867 100644
--- a/bsp/k230/.config
+++ b/bsp/k230/.config
@@ -1494,5 +1494,4 @@ CONFIG_PKG_ZLIB_VER="latest"
 
 CONFIG_BOARD_fpgac908=y
 CONFIG___STACKSIZE__=65536
-CONFIG_C908_PLIC_PHY_ADDR=0xF00000000
 CONFIG_BSP_ROOTFS_TYPE_CROMFS=y
diff --git a/bsp/k230/Kconfig b/bsp/k230/Kconfig
index 0e177ec4f0a..510dc7c1b3c 100644
--- a/bsp/k230/Kconfig
+++ b/bsp/k230/Kconfig
@@ -1,19 +1,10 @@
 mainmenu "RT-Thread Project Configuration"
 
-config BSP_DIR
-    string
-    option env="BSP_ROOT"
-    default "."
+BSP_DIR := .
 
-config RTT_DIR
-    string
-    option env="RTT_ROOT"
-    default "../../"
+RTT_DIR := ../../
 
-config PKGS_DIR
-    string
-    option env="PKGS_ROOT"
-    default "packages"
+PKGS_DIR := packages
 
 source "$RTT_DIR/Kconfig"
 source "$PKGS_DIR/Kconfig"
@@ -34,13 +25,8 @@ config __STACKSIZE__
     int "stack size for interrupt"
     default 4096
 
-config C908_PLIC_PHY_ADDR
-    int "PLIC base address"
-    default 0xF00000000
-
 config BSP_ROOTFS_TYPE_CROMFS
     bool "Use CROMFS as ROOTFS"
     select RT_USING_DFS_CROMFS
     select PKG_USING_ZLIB
-    select PKG_USING_ZLIB_LATEST_VERSION
     default y
diff --git a/bsp/k230/rtconfig.h b/bsp/k230/rtconfig.h
index e7463a1b9d7..4fb86d9fa4a 100644
--- a/bsp/k230/rtconfig.h
+++ b/bsp/k230/rtconfig.h
@@ -562,7 +562,6 @@
 /* end of Drivers Configuration */
 #define BOARD_fpgac908
 #define __STACKSIZE__ 65536
-#define C908_PLIC_PHY_ADDR 0xF00000000
 #define BSP_ROOTFS_TYPE_CROMFS
 
 #endif