diff --git a/client/handler.go b/client/handler.go
index c62e8fac4..c61967c69 100644
--- a/client/handler.go
+++ b/client/handler.go
@@ -33,20 +33,6 @@ func (client *Client) handle(conn net.Conn) error {
 	return err
 }
 
-func normalizeExoAd(req *http.Request) (*http.Request, bool) {
-	host, _, err := net.SplitHostPort(req.Host)
-	if err != nil {
-		host = req.Host
-	}
-	if strings.HasSuffix(host, ".exdynsrv.com") {
-		qvals := req.URL.Query()
-		qvals.Set("p", "https://www.getlantern.org/")
-		req.URL.RawQuery = qvals.Encode()
-		return req, true
-	}
-	return req, false
-}
-
 func (client *Client) filter(cs *filters.ConnectionState, req *http.Request, next filters.Next) (*http.Response, *filters.ConnectionState, error) {
 	if client.isHTTPProxyPort(req) {
 		log.Debugf("Reject proxy request to myself: %s", req.Host)
diff --git a/client/handler_test.go b/client/handler_test.go
index c9b60d48d..78be510c6 100644
--- a/client/handler_test.go
+++ b/client/handler_test.go
@@ -16,27 +16,6 @@ import (
 	"github.com/getlantern/httpseverywhere"
 )
 
-func TestNormalizeExoAd(t *testing.T) {
-	doTestNormalizeExoAd(t, "syndication.exdynsrv.com")
-	doTestNormalizeExoAd(t, "syndication.exdynsrv.com:80")
-	doTestNormalizeExoAd(t, "syndication.exdynsrv.com:443")
-
-	req, _ := http.NewRequest("GET", "http://exdynsrv.com.friendlygfw.cn", nil)
-	_, ad := normalizeExoAd(req)
-	assert.False(t, ad)
-}
-
-func doTestNormalizeExoAd(t *testing.T, host string) {
-	req, _ := http.NewRequest("GET", "http://"+host, nil)
-	qvals := req.URL.Query()
-	qvals.Set("p", "https://www.somethingelse.com")
-	req.URL.RawQuery = qvals.Encode()
-
-	req2, ad := normalizeExoAd(req)
-	assert.True(t, ad)
-	assert.Equal(t, "https://www.getlantern.org/", req2.URL.Query().Get("p"))
-}
-
 func TestRewriteHTTPSSuccess(t *testing.T) {
 	client := newClient()
 	client.rewriteToHTTPS = httpseverywhere.Eager()