diff --git a/guix/store.scm b/guix/store.scm
index 864303ddb3..0c99e623ec 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -290,16 +290,6 @@ (define* (open-connection #:optional (file (%daemon-socket-file))
              (socket PF_UNIX SOCK_STREAM 0)))
         (a (make-socket-address PF_UNIX file)))
 
-    (catch 'system-error
-      (lambda ()
-        ;; Enlarge the receive buffer.
-        (setsockopt s SOL_SOCKET SO_RCVBUF (* 12 1024)))
-      (lambda args
-        ;; On the Hurd, the pflocal server's implementation of `socket_setopt'
-        ;; always returns ENOPROTOOPT.  Ignore it.
-        (unless (= (system-error-errno args) ENOPROTOOPT)
-          (apply throw args))))
-
     (catch 'system-error
       (cut connect s a)
       (lambda args