diff --git a/control/controlclient/map.go b/control/controlclient/map.go
index c7bb8db76..d436064ad 100644
--- a/control/controlclient/map.go
+++ b/control/controlclient/map.go
@@ -165,12 +165,6 @@ func (ms *mapSession) netmapForResponse(resp *tailcfg.MapResponse) *netmap.Netwo
 		}
 		ms.addUserProfile(peer.User)
 	}
-	if len(resp.DNS) > 0 {
-		nm.DNS.Nameservers = resp.DNS
-	}
-	if len(resp.SearchPaths) > 0 {
-		nm.DNS.Domains = resp.SearchPaths
-	}
 	if Debug.ProxyDNS {
 		nm.DNS.Proxied = true
 	}
diff --git a/tailcfg/tailcfg.go b/tailcfg/tailcfg.go
index ae39a5362..18015155e 100644
--- a/tailcfg/tailcfg.go
+++ b/tailcfg/tailcfg.go
@@ -1245,14 +1245,6 @@ type MapResponse struct {
 	// OnlineChange changes the value of a Peer Node.Online value.
 	OnlineChange map[NodeID]bool `json:",omitempty"`
 
-	// DNS is the same as DNSConfig.Nameservers.
-	// Only populated if MapRequest.Version < 9.
-	DNS []netaddr.IP `json:",omitempty"`
-
-	// SearchPaths is the old way to specify DNS search domains.
-	// Only populated if MapRequest.Version < 9.
-	SearchPaths []string `json:",omitempty"`
-
 	// DNSConfig contains the DNS settings for the client to use.
 	// A nil value means no change from an earlier non-nil value.
 	DNSConfig *DNSConfig `json:",omitempty"`