diff --git a/README.md b/README.md
index 4f651f75..a0b21b80 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@ Note
 
 APIs of "esp_iot_rtos_sdk" are same as "esp_iot_sdk"
 
-Libs which are not open source in “esp_iot_rtos_sdk_lib”. Please copy them to "\esp_iot_rtos_sdk\lib", then compile .
-
 More details in "Wiki" !