diff --git a/boards/default/arduino_esp8266/config.json b/boards/default/arduino_esp8266/config.json
index d7d01565..fc0c2b2a 100644
--- a/boards/default/arduino_esp8266/config.json
+++ b/boards/default/arduino_esp8266/config.json
@@ -1065,7 +1065,7 @@
         "yMax": 100,
         "yMin": 0,
         "pointNum": 100,
-        "rts": true,
+        "rts": false,
         "dtr": true
     },
     "lib": {
diff --git a/boards/default_src/arduino_esp8266/origin/config.json b/boards/default_src/arduino_esp8266/origin/config.json
index d7d01565..fc0c2b2a 100644
--- a/boards/default_src/arduino_esp8266/origin/config.json
+++ b/boards/default_src/arduino_esp8266/origin/config.json
@@ -1065,7 +1065,7 @@
         "yMax": 100,
         "yMin": 0,
         "pointNum": 100,
-        "rts": true,
+        "rts": false,
         "dtr": true
     },
     "lib": {