diff --git a/prog/weaveproxy/main.go b/prog/weaveproxy/main.go
index 0cd13eed..d634e22a 100644
--- a/prog/weaveproxy/main.go
+++ b/prog/weaveproxy/main.go
@@ -39,7 +39,6 @@ func main() {
 	mflag.BoolVar(&c.TLSConfig.Enabled, []string{"#tls", "-tls"}, false, "Use TLS; implied by --tlsverify")
 	mflag.StringVar(&c.TLSConfig.Key, []string{"#tlskey", "-tlskey"}, "", "Path to TLS key file")
 	mflag.BoolVar(&c.TLSConfig.Verify, []string{"#tlsverify", "-tlsverify"}, false, "Use TLS and verify the remote")
-	mflag.BoolVar(&c.WithDNS, []string{"-with-dns", "w"}, false, "instruct created containers to always use weaveDNS as their nameserver")
 	mflag.BoolVar(&c.WithoutDNS, []string{"-without-dns"}, false, "instruct created containers to never use weaveDNS as their nameserver")
 	mflag.BoolVar(&c.NoMulticastRoute, []string{"-no-multicast-route"}, false, "do not add a multicast route via the weave interface when attaching containers")
 	mflag.Parse()
@@ -49,10 +48,6 @@ func main() {
 		os.Exit(0)
 	}
 
-	if c.WithDNS && c.WithoutDNS {
-		Log.Fatalf("Cannot use both '--with-dns' and '--without-dns' flags")
-	}
-
 	SetLogLevel(logLevel)
 
 	if image := os.Getenv("EXEC_IMAGE"); image != "" {
diff --git a/proxy/proxy.go b/proxy/proxy.go
index 6771d964..3fcd983f 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -18,7 +18,6 @@ import (
 	docker "github.com/fsouza/go-dockerclient"
 	. "github.com/weaveworks/weave/common"
 	weavedocker "github.com/weaveworks/weave/common/docker"
-	"github.com/weaveworks/weave/nameserver"
 )
 
 const (
@@ -56,7 +55,6 @@ type Config struct {
 	NoRewriteHosts      bool
 	TLSConfig           TLSConfig
 	Version             string
-	WithDNS             bool
 	WithoutDNS          bool
 	NoMulticastRoute    bool
 	DockerHost          string
@@ -519,10 +517,6 @@ func (proxy *Proxy) getDNSDomain() (domain string) {
 		return ""
 	}
 
-	if proxy.WithDNS {
-		domain = nameserver.DefaultDomain
-	}
-
 	weaveContainer, err := proxy.client.InspectContainer("weave")
 	var weaveIP string
 	if err == nil && weaveContainer.NetworkSettings != nil {
diff --git a/test/630_proxy_dns_test.sh b/test/630_proxy_dns_test.sh
index 63b9f694..0c6d6e43 100755
--- a/test/630_proxy_dns_test.sh
+++ b/test/630_proxy_dns_test.sh
@@ -23,11 +23,6 @@ start_suite "Proxy registers containers with dns"
 
 bridge_ip=$(weave_on $HOST1 docker-bridge-ip)
 
-# Assert behaviour without weaveDNS running, but dns forced
-weave_on $HOST1 launch-proxy --with-dns
-do_assert_resolution assert_no_dns_record
-weave_on $HOST1 stop-proxy
-
 # Assert behaviour without weaveDNS
 weave_on $HOST1 launch-proxy
 do_assert_resolution assert_no_dns_record
diff --git a/weave b/weave
index e2267789..3d9f8d22 100755
--- a/weave
+++ b/weave
@@ -47,7 +47,7 @@ weave launch        [--password <password>] [--nickname <nickname>]
 weave launch-router [--password <password>] [--nickname <nickname>]
                       [--ipalloc-range <cidr> [--ipalloc-default-subnet <cidr>]]
                       [--no-discovery] [--init-peer-count <count>] <peer> ...
-weave launch-proxy  [-H <endpoint>] [--with-dns | --without-dns]
+weave launch-proxy  [-H <endpoint>] [--without-dns]
                       [--no-default-ipalloc] [--no-rewrite-hosts]
                       [--no-multicast-route]
                       [--hostname-from-label <labelkey>]