diff --git a/README.md b/README.md
index 52930f9..ec048c3 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
LedKey
+dependencies: codebot, extra system.
diff --git a/src/backup/ledkey.lpi b/src/backup/ledkey.lpi
deleted file mode 100644
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--- a/src/backup/ledkey.lpi
+++ /dev/null
@@ -1,82 +0,0 @@
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diff --git a/src/backup/ledkey.lpr b/src/backup/ledkey.lpr
deleted file mode 100644
index 0cb65a3..0000000
--- a/src/backup/ledkey.lpr
+++ /dev/null
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-program ledkey;
-
-{$mode objfpc}{$H+}
-
-uses
- {$IFDEF UNIX}{$IFDEF UseCThreads}
- cthreads,
- {$ENDIF}{$ENDIF}
- Interfaces,
- Forms, mUnit, ExSystemUtils
- { you can add units after this };
-
-{$R *.res}
-
-begin
- LSGlobalAddAtom(CMyAppAtom);
- LSRunOnce;
- //RequireDerivedFormResource:=True;
- Application.Initialize;
- Application.CreateForm(THideFrm, HideFrm);
- Application.Run;
-end.
-
diff --git a/src/backup/ledkey.lps b/src/backup/ledkey.lps
deleted file mode 100644
index ef2a862..0000000
--- a/src/backup/ledkey.lps
+++ /dev/null
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diff --git a/src/backup/munit.lfm b/src/backup/munit.lfm
deleted file mode 100644
index cedfa62..0000000
--- a/src/backup/munit.lfm
+++ /dev/null
@@ -1,9 +0,0 @@
-object HideFrm: THideFrm
- OnCreate = DataModuleCreate
- OnDestroy = DataModuleDestroy
- OldCreateOrder = False
- Height = 150
- HorizontalOffset = 590
- VerticalOffset = 250
- Width = 150
-end
diff --git a/src/backup/munit.pas b/src/backup/munit.pas
deleted file mode 100644
index ff6acd1..0000000
--- a/src/backup/munit.pas
+++ /dev/null
@@ -1,63 +0,0 @@
-unit mUnit;
-
-{$mode objfpc}{$H+}
-
-interface
-
-uses
- Classes, SysUtils, FileUtil, Process, LCLType, Codebot.Input.Hotkeys;
-
-type
-
- { THideFrm }
- THideFrm= class(TDataModule)
- procedure DataModuleCreate(Sender: TObject);
- procedure DataModuleDestroy(Sender: TObject);
- private
- LedState:Boolean;
- LedProcess: TProcess;
- procedure KeyNotify(Sender: TObject; Key: Word; Shift: TShiftState);
- public
-
- end;
-
-var
- HideFrm: THideFrm;
-
-implementation
-
-{$R *.lfm}
-
-{ THideFrm }
-
-procedure THideFrm.DataModuleCreate(Sender: TObject);
-begin
- HotkeyCapture.RegisterNotify(VK_SCROLL,[],@KeyNotify);
-end;
-
-procedure THideFrm.DataModuleDestroy(Sender: TObject);
-begin
- HotkeyCapture.UnRegisterNotify(VK_SCROLL,[]);
-end;
-
-procedure THideFrm.KeyNotify(Sender: TObject; Key: Word; Shift: TShiftState);
-begin
- LedProcess := TProcess.Create(nil);
- LedProcess.Options:=[poWaitOnExit,poNoConsole];
- LedProcess.Executable := 'xset';
- If LedState then
- begin
- LedProcess.Parameters.Add('-led');
- LedState:=false;
- end else
- begin
- LedProcess.Parameters.Add('led');
- LedState:=true;
- end;
- LedProcess.Parameters.Add('3');
- LedProcess.Execute;
- LedProcess.Free;
-end;
-
-end.
-