diff --git a/UApp.pas b/UApp.pas
index 69b55dc..2161d96 100644
--- a/UApp.pas
+++ b/UApp.pas
@@ -25,7 +25,7 @@ unit UApp;
 interface
 
 uses
-  Classes, SysUtils, CustApp, math, RegExpr,
+  Classes, SysUtils, CustApp, RegExpr,
   UFilter, UWriter;
 
 type