diff --git a/common/modules/mixly-modules/common/statusbar-serial.js b/common/modules/mixly-modules/common/statusbar-serial.js
index d312917c..41e0c66b 100644
--- a/common/modules/mixly-modules/common/statusbar-serial.js
+++ b/common/modules/mixly-modules/common/statusbar-serial.js
@@ -458,12 +458,6 @@ class StatusBarSerial extends PageBase {
 
     async open() {
         await this.#serial_.open(this.#config_.baud);
-        await this.#serial_.sleep(200);
-        try {
-            await this.#serial_.setDTRAndRTS(this.#config_.dtr, this.#config_.rts);
-        } catch (error) {
-            Debug.error(error);
-        }
         if (SELECTED_BOARD?.serial?.ctrlCBtn) {
             await this.#serial_.sleep(500);
             await this.#serial_.interrupt();
diff --git a/common/modules/mixly-modules/deps.json b/common/modules/mixly-modules/deps.json
index d2f04a36..b8b446e3 100644
--- a/common/modules/mixly-modules/deps.json
+++ b/common/modules/mixly-modules/deps.json
@@ -1508,7 +1508,6 @@
             "Mixly.Env",
             "Mixly.Msg",
             "Mixly.Ampy",
-            "Mixly.Config",
             "Mixly.Web"
         ],
         "provide": [
diff --git a/common/modules/mixly-modules/web/ampy.js b/common/modules/mixly-modules/web/ampy.js
index 81f4618e..fc3e8a02 100644
--- a/common/modules/mixly-modules/web/ampy.js
+++ b/common/modules/mixly-modules/web/ampy.js
@@ -5,7 +5,6 @@ goog.require('Mustache');
 goog.require('Mixly.Env');
 goog.require('Mixly.Msg');
 goog.require('Mixly.Ampy');
-goog.require('Mixly.Config');
 goog.require('Mixly.Web');
 goog.provide('Mixly.Web.Ampy');
 
@@ -13,7 +12,6 @@ const {
     Env,
     Msg,
     Ampy,
-    Config,
     Web
 } = Mixly;
 
@@ -185,14 +183,6 @@ class AmpyExt extends Ampy {
         this.#active_ = true;
         await this.#device_.open(115200);
         await this.#device_.sleep(500);
-        const { SELECTED_BOARD } = Config;
-        if (SELECTED_BOARD?.serial
-            && SELECTED_BOARD.serial?.dtr !== undefined
-            && SELECTED_BOARD.serial?.rts !== undefined) {
-            const { dtr, rts } = SELECTED_BOARD.serial;
-            await this.#device_.setDTRAndRTS(dtr, rts);
-        }
-        await this.#device_.sleep(500);
         await this.#device_.sendBuffer([2]);
         if (!await this.interrupt()) {
             throw new Error(Msg.Lang['ampy.interruptFailed']);