diff --git a/lib/delphi/src/Thrift.Transport.pas b/lib/delphi/src/Thrift.Transport.pas
index 558b65e..3f22b09 100644
--- a/lib/delphi/src/Thrift.Transport.pas
+++ b/lib/delphi/src/Thrift.Transport.pas
@@ -45,10 +45,6 @@
   Thrift.WinHTTP,
   Thrift.Stream;
 
-const
-  DEFAULT_MAX_MESSAGE_SIZE = 100 * 1024 * 1024; // 100 MB
-  DEFAULT_THRIFT_TIMEOUT = 5 * 1000; // ms
-
 type
   IStreamTransport = interface;