diff --git a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_%.bbappend b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_%.bbappend
index 4ed6031..d210f16 100644
--- a/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_%.bbappend
+++ b/meta-nuvoton/dynamic-layers/arm-layer/recipes-security/optee/optee-os_%.bbappend
@@ -1,9 +1,4 @@
 EXTRA_OEMAKE:append:npcm8xx = " \
-    CFG_REE_FS=n \
-    CFG_REE_FS_TA=n \
-    CFG_RPMB_FS=y \
-    CFG_RPMB_TESTKEY=y \
-    CFG_RPMB_WRITE_KEY=y \
     CFG_CORE_HEAP_SIZE=524288 \
     CFG_TEE_RAM_VA_SIZE=3145728 \
     CFG_TZDRAM_START=0x02100000 \