diff --git a/source/helpers.pas b/source/helpers.pas
index d01192a3..f0310a70 100644
--- a/source/helpers.pas
+++ b/source/helpers.pas
@@ -494,7 +494,6 @@ end;
 
 function EncodeURLParam(const Value: String): String;
 var
-  i: Integer;
   c: Char;
 const
   UnsafeChars: String = '*<>#%"{}|\^[]`?&+';