diff --git a/Program.cs b/Program.cs
index 393177d..5a78787 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,17 +1,6 @@
-using Akari.Provider.WaveshareUART;
-using Akari.Provider.WaveshareUART.Users;
-using Akari.Provider.WaveshareUART.Views;
+using Akari.Provider.WaveshareUART.Views;
 using System;
-using System.Collections.Generic;
-using System.IO.Ports;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
 using Terminal.Gui;
-using Unosquare.RaspberryIO;
-using Unosquare.RaspberryIO.Abstractions;
-using Unosquare.WiringPi;
 
 namespace Akari.Provider.WaveshareUART
 {
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index dec1d3f..615a170 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // Les informations générales relatives à un assembly dépendent de
diff --git a/Users/User.cs b/Users/User.cs
index e163ff4..bc09e10 100644
--- a/Users/User.cs
+++ b/Users/User.cs
@@ -1,8 +1,5 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using YamlDotNet.Serialization;
 
 namespace Akari.Provider.WaveshareUART.Users
diff --git a/Users/UsersManager.cs b/Users/UsersManager.cs
index a602886..3168d3d 100644
--- a/Users/UsersManager.cs
+++ b/Users/UsersManager.cs
@@ -2,8 +2,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Terminal.Gui;
 using YamlDotNet.Serialization;
 
diff --git a/Views/DataDisplay.cs b/Views/DataDisplay.cs
index d17c6fb..9451c0f 100644
--- a/Views/DataDisplay.cs
+++ b/Views/DataDisplay.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.IO;
 using Terminal.Gui;
 
 namespace Akari.Provider.WaveshareUART.Views
diff --git a/Views/EntryDialog.cs b/Views/EntryDialog.cs
index 5a813a9..2acce38 100644
--- a/Views/EntryDialog.cs
+++ b/Views/EntryDialog.cs
@@ -1,9 +1,5 @@
 using NStack;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Terminal.Gui;
 
 namespace Akari.Provider.WaveshareUART.Views
diff --git a/Views/FingerprintDialog.cs b/Views/FingerprintDialog.cs
index 6643b30..f7d10b1 100644
--- a/Views/FingerprintDialog.cs
+++ b/Views/FingerprintDialog.cs
@@ -1,10 +1,4 @@
-using NStack;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Terminal.Gui;
+using Terminal.Gui;
 
 namespace Akari.Provider.WaveshareUART.Views
 {
diff --git a/Views/ManageUsersDisplay.cs b/Views/ManageUsersDisplay.cs
index e52d792..4616359 100644
--- a/Views/ManageUsersDisplay.cs
+++ b/Views/ManageUsersDisplay.cs
@@ -1,13 +1,6 @@
 using Akari.Provider.WaveshareUART.Users;
-using System;
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
 using Terminal.Gui;
-using WaveshareUARTFingerprintSensor;
 
 namespace Akari.Provider.WaveshareUART.Views
 {
diff --git a/Views/SettingsDisplay.cs b/Views/SettingsDisplay.cs
index 06e7e15..b72d113 100644
--- a/Views/SettingsDisplay.cs
+++ b/Views/SettingsDisplay.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
+using System.IO;
 using Terminal.Gui;
 using WaveshareUARTFingerprintSensor;
 
diff --git a/Views/SleepDisplay.cs b/Views/SleepDisplay.cs
index 5011cde..726a04c 100644
--- a/Views/SleepDisplay.cs
+++ b/Views/SleepDisplay.cs
@@ -1,11 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using Terminal.Gui;
+using Terminal.Gui;
 using WaveshareUARTFingerprintSensor;
 
 namespace Akari.Provider.WaveshareUART.Views
diff --git a/Views/TUIManager.cs b/Views/TUIManager.cs
index 11ec7de..09ccd89 100644
--- a/Views/TUIManager.cs
+++ b/Views/TUIManager.cs
@@ -1,11 +1,5 @@
-using Akari.Provider.WaveshareUART;
-using Akari.Provider.WaveshareUART.Users;
-using NStack;
-using System;
-using System.Collections.Generic;
+using Akari.Provider.WaveshareUART.Users;
 using System.IO;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 using Terminal.Gui;
 using WaveshareUARTFingerprintSensor;
diff --git a/WaveshareUARTProvider.cs b/WaveshareUARTProvider.cs
index 9f2f61e..e30c23d 100644
--- a/WaveshareUARTProvider.cs
+++ b/WaveshareUARTProvider.cs
@@ -1,10 +1,6 @@
 using Akari.Provider.WaveshareUART.Users;
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using WaveshareUARTFingerprintSensor;
 
 namespace Akari.Provider.WaveshareUART