diff --git a/src/twisted/web/server.py b/src/twisted/web/server.py
index d30156b..3a04ecb 100644
--- a/src/twisted/web/server.py
+++ b/src/twisted/web/server.py
@@ -206,7 +206,6 @@ class Request(Copyable, http.Request, components.Componentized):
         self.site = self.channel.site

         # set various default headers
-        self.setHeader(b"server", version)
         self.setHeader(b"date", http.datetimeToString())

         # Resource Identification