diff --git a/debugger/cmdlinedebugger.pp b/debugger/cmdlinedebugger.pp
index 11fae8f0f1..e550b60305 100644
--- a/debugger/cmdlinedebugger.pp
+++ b/debugger/cmdlinedebugger.pp
@@ -83,6 +83,7 @@ implementation
 //////////////////////////////////////////////////
 
 uses
+  LCLIntf,
 {$IFdef MSWindows}
   Windows,
 {$ENDIF}
@@ -91,13 +92,6 @@ uses
 {$ENDIF}
   SysUtils;
 
-{$IFnDEF MSWindows}
-function GetTickCount: DWORD;
-begin
-  Result := round(Now*86400000) mod (High(DWord) + 1);
-end;
-{$ENDIF}
-
 {------------------------------------------------------------------------------
   Function: WaitForHandles
   Params:  AHandles:              A set of handles to wait for (max 32)
diff --git a/debugger/gdbmidebugger.pp b/debugger/gdbmidebugger.pp
index 7bd388c516..62cf10a1d6 100644
--- a/debugger/gdbmidebugger.pp
+++ b/debugger/gdbmidebugger.pp
@@ -40,7 +40,7 @@ interface
 
 uses
   Classes, SysUtils, Controls, Math, Variants, LCLProc, Dialogs, LazConf, DebugUtils,
-  Debugger, FileUtil, CmdLineDebugger, GDBTypeInfo, Maps,
+  Debugger, FileUtil, CmdLineDebugger, GDBTypeInfo, Maps, LCLIntf,
 {$IFdef MSWindows}
   Windows,
 {$ENDIF}
@@ -1236,13 +1236,6 @@ begin
 end;
 {$ENDIF}
 
-// None windows
-{$IFnDEF MSWindows}
-function GetTickCount: DWORD;
-begin
-  Result := round(Now*86400000) mod (High(DWord) + 1);
-end;
-{$ENDIF}
 { =========================================================================== }
 { Helpers }
 { =========================================================================== }