diff --git a/br-ext-chip-hisilicon/board/hi3516cv6xx/hi3516cv6xx.generic.config b/br-ext-chip-hisilicon/board/hi3516cv6xx/hi3516cv6xx.generic.config
index 3fc93bbfe..9200f0edd 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv6xx/hi3516cv6xx.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv6xx/hi3516cv6xx.generic.config
@@ -3582,7 +3582,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_SAMPLES is not set
 CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
 CONFIG_STRICT_DEVMEM=y
-CONFIG_IO_STRICT_DEVMEM=y
+# CONFIG_IO_STRICT_DEVMEM is not set
 
 #
 # arm Debugging