diff --git a/src/twisted/web/server.py b/src/twisted/web/server.py
index 3a3f9f89b..1eb273816 100644
--- a/src/twisted/web/server.py
+++ b/src/twisted/web/server.py
@@ -174,7 +174,6 @@ 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