diff --git a/Arduino/SendCart/SendCart.ino b/Arduino/SendCart/SendCart.ino
index 0b3639a..a98aa6d 100644
--- a/Arduino/SendCart/SendCart.ino
+++ b/Arduino/SendCart/SendCart.ino
@@ -23,7 +23,6 @@ void setup() {
   Serial.begin(115200);
   pinMode(LED_BUILTIN, OUTPUT);
   Wire.begin();
-  Wire.setClock(400000);
 }
 
 void loop() {
diff --git a/Assets/Scripts/Arduino_Com.cs b/Assets/Scripts/Arduino_Com.cs
index 16c941d..c5f1bad 100644
--- a/Assets/Scripts/Arduino_Com.cs
+++ b/Assets/Scripts/Arduino_Com.cs
@@ -14,7 +14,6 @@ public class Arduino_Com : MonoBehaviour
     {
         Déconnecté,
         Connecté,
-        Connexion,
         Lecture,
         Écriture,
         Invalide
@@ -69,21 +68,11 @@ public class Arduino_Com : MonoBehaviour
         return sum;
     }
     
-    // Core communication function.
-    // Receives all the data from the cartridge and writes it out to the png file.
-    // As the computer will probably read the serial data faster than the Arduino
-    // /and/ the transfer is quite slow (lots of bits, low baudrate), make this a
-    // coroutine.
-    // This prevents the whole application freezing up why waiting for data and
-    // allow presenting visual feedback.
     private IEnumerator<WaitUntil> ReceiveSerialData()
     {
         do
         {
-            // We could use an event instead but as Unity is lagging behind .NET versions,
-            // it wouldn't be cross-platform.
             yield return new WaitUntil(() => _serial.BytesToRead >= 1);
-            
             // Read all available data, up to the PageSize.
             _readBytes += _serial.Read(_pageBuffer, _readBytes, PageSize - _readBytes);
 
@@ -115,7 +104,6 @@ public class Arduino_Com : MonoBehaviour
                 _readBytes = 0;
             }
         } while (_currentPage < PageCount);
-        
         // We are done receiving the cart, we don't expect more data to be received so the coroutine can return.
         _currentPage = 0;
         _state = ArduinoState.Connecté;
@@ -234,7 +222,14 @@ public class Arduino_Com : MonoBehaviour
                 return;
             }
             
-            StartCoroutine(DoSerialConnection());
+            // TODO: Wait ~2s for Arduino startup
+            _arduinoControlButton.text = "Déconnecter";
+            
+            _cartLoadButton.SetEnabled(true);
+            // _cartWriteButton.SetEnabled(true);  TODO: Not implemented
+            _arduinoSerialPort.SetEnabled(false);
+
+            _state = ArduinoState.Connecté;
         }
     }
     
@@ -249,24 +244,4 @@ public class Arduino_Com : MonoBehaviour
         _state = SerialPort.GetPortNames().Contains(newPort.newValue) ? ArduinoState.Déconnecté : ArduinoState.Invalide;
         _arduinoControlButton.SetEnabled(_state != ArduinoState.Invalide);
     }
-
-    // Update UI during connection and when ready, prevent interacting too quickly.
-    IEnumerator<WaitForSeconds> DoSerialConnection()
-    {
-        _arduinoControlButton.text = "Connexion...";
-        _arduinoControlButton.SetEnabled(false);
-        _arduinoSerialPort.SetEnabled(false);
-        _state = ArduinoState.Connexion;
-        
-        // Delay enabling transfers because the Arduino is slow to set-up the serial.
-        yield return new WaitForSeconds(1.5f);
-        
-        _arduinoControlButton.text = "Déconnecter";
-        _arduinoControlButton.SetEnabled(true);
-            
-        _cartLoadButton.SetEnabled(true);
-        // _cartWriteButton.SetEnabled(true);  TODO: Not implemented
-
-        _state = ArduinoState.Connecté;
-    }
 }