diff --git a/Projects/Src/CompForm.pas b/Projects/Src/CompForm.pas
index e098edf03..47550b490 100644
--- a/Projects/Src/CompForm.pas
+++ b/Projects/Src/CompForm.pas
@@ -4935,8 +4935,6 @@ procedure TCompileForm.ApplyMenuBitmaps(const ParentMenuItem: TMenuItem);
 end;
 
 procedure TCompileForm.StartProcess;
-const
-  SEE_MASK_NOZONECHECKS = $00800000;
 var
   RunFilename, RunParameters, WorkingDir: String;
   Info: TShellExecuteInfo;