diff --git a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
index 3af6adcc..5f58fa2c 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
@@ -35,7 +35,6 @@ import com.polidea.rxandroidble2.scan.ScanSettings;
 import java.io.IOException;
 import java.net.SocketException;
 import java.util.UUID;
-import java.util.concurrent.TimeUnit;
 
 import androidx.core.content.ContextCompat;
 import io.reactivex.Observable;
@@ -70,7 +69,6 @@ public abstract class BluetoothCommunication {
     }
 
     private final int BT_RETRY_TIMES_ON_ERROR = 3;
-    private final int BT_DELAY = 50; // MS
 
     protected Context context;
 
@@ -297,7 +295,6 @@ public abstract class BluetoothCommunication {
      */
     protected void writeBytes(UUID characteristic, byte[] bytes) {
         final Disposable disposable = connectionObservable
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                 .flatMapSingle(rxBleConnection -> rxBleConnection.writeCharacteristic(characteristic, bytes))
                 .observeOn(AndroidSchedulers.mainThread())
                 .retry(BT_RETRY_TIMES_ON_ERROR)
@@ -322,7 +319,6 @@ public abstract class BluetoothCommunication {
      */
     protected void readBytes(UUID characteristic) {
         final Disposable disposable = connectionObservable
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                 .firstOrError()
                 .flatMap(rxBleConnection -> rxBleConnection.readCharacteristic(characteristic))
                 .observeOn(AndroidSchedulers.mainThread())
@@ -344,7 +340,6 @@ public abstract class BluetoothCommunication {
      */
     protected void setIndicationOn(UUID characteristic) {
         final Disposable disposable = connectionObservable
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                 .flatMap(rxBleConnection -> rxBleConnection.setupIndication(characteristic))
                 .doOnNext(notificationObservable -> {
                             Timber.d("Successful set indication on for %s", BluetoothGattUuid.prettyPrint(characteristic));
@@ -375,7 +370,6 @@ public abstract class BluetoothCommunication {
      */
     protected void setNotificationOn(UUID characteristic) {
         final Disposable disposable = connectionObservable
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                 .flatMap(rxBleConnection -> rxBleConnection.setupNotification(characteristic))
                 .doOnNext(notificationObservable -> {
                             Timber.d("Successful set notification on for %s", BluetoothGattUuid.prettyPrint(characteristic));
@@ -401,7 +395,6 @@ public abstract class BluetoothCommunication {
 
     public void doBluetoothDiscoverServices() {
         final Disposable connectionDisposable = connectionObservable
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                 .flatMapSingle(RxBleConnection::discoverServices)
                 .observeOn(AndroidSchedulers.mainThread())
                 .retry(BT_RETRY_TIMES_ON_ERROR)
@@ -528,7 +521,6 @@ public abstract class BluetoothCommunication {
 
                 connectionObservable = bleDevice
                         .establishConnection(false)
-                        .delay(BT_DELAY, TimeUnit.MILLISECONDS)
                         .takeUntil(disconnectTriggerSubject)
                         .doOnError(throwable -> setBtStatus(BT_STATUS_CODE.BT_CONNECTION_RETRYING))
                         .observeOn(AndroidSchedulers.mainThread())