diff --git a/protocol/rtsp/client.go b/protocol/rtsp/client.go
index 39a261ce..133adf38 100644
--- a/protocol/rtsp/client.go
+++ b/protocol/rtsp/client.go
@@ -61,7 +61,7 @@ func NewClient(addr string) (*Client, error) {
 
 // Describe forms and sends an RTSP request of method DESCRIBE to the RTSP server.
 func (c *Client) Describe() (*Response, error) {
-	req, err := NewRequest(describe, c.nextCSeq(), c.url, nil)
+	req, err := NewRequest("DESCRIBE", c.nextCSeq(), c.url, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -71,7 +71,7 @@ func (c *Client) Describe() (*Response, error) {
 
 // Options forms and sends an RTSP request of method OPTIONS to the RTSP server.
 func (c *Client) Options() (*Response, error) {
-	req, err := NewRequest(options, c.nextCSeq(), c.url, nil)
+	req, err := NewRequest("OPTIONS", c.nextCSeq(), c.url, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -85,7 +85,7 @@ func (c *Client) Setup(track, transport string) (*Response, error) {
 		return nil, err
 	}
 
-	req, err := NewRequest(setup, c.nextCSeq(), url, nil)
+	req, err := NewRequest("SETUP", c.nextCSeq(), url, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -102,7 +102,7 @@ func (c *Client) Setup(track, transport string) (*Response, error) {
 
 // Play forms and sends an RTSP request of method PLAY to the RTSP server
 func (c *Client) Play() (*Response, error) {
-	req, err := NewRequest(play, c.nextCSeq(), c.url, nil)
+	req, err := NewRequest("PLAY", c.nextCSeq(), c.url, nil)
 	if err != nil {
 		return nil, err
 	}
diff --git a/protocol/rtsp/rtsp.go b/protocol/rtsp/rtsp.go
index d88a3206..e9981330 100644
--- a/protocol/rtsp/rtsp.go
+++ b/protocol/rtsp/rtsp.go
@@ -69,14 +69,6 @@ import (
 	"strings"
 )
 
-// RTSP methods.
-const (
-	describe = "DESCRIBE"
-	options  = "OPTIONS"
-	play     = "PLAY"
-	setup    = "SETUP"
-)
-
 // Minimum response size to be considered valid.
 const minResponse = 2
 
diff --git a/protocol/rtsp/rtsp_test.go b/protocol/rtsp/rtsp_test.go
index 3cd70d57..5fd9a212 100644
--- a/protocol/rtsp/rtsp_test.go
+++ b/protocol/rtsp/rtsp_test.go
@@ -58,7 +58,7 @@ func TestMethods(t *testing.T) {
 	}{
 		{
 			method: func(c *Client) (*Response, error) {
-				req, err := NewRequest(describe, c.nextCSeq(), url, nil)
+				req, err := NewRequest("DESCRIBE", c.nextCSeq(), url, nil)
 				if err != nil {
 					return nil, err
 				}
@@ -79,7 +79,7 @@ func TestMethods(t *testing.T) {
 		},
 		{
 			method: func(c *Client) (*Response, error) {
-				req, err := NewRequest(options, c.nextCSeq(), url, nil)
+				req, err := NewRequest("OPTIONS", c.nextCSeq(), url, nil)
 				if err != nil {
 					return nil, err
 				}
@@ -102,7 +102,7 @@ func TestMethods(t *testing.T) {
 					return nil, err
 				}
 
-				req, err := NewRequest(setup, c.nextCSeq(), u, nil)
+				req, err := NewRequest("SETUP", c.nextCSeq(), u, nil)
 				if err != nil {
 					return nil, err
 				}
@@ -126,7 +126,7 @@ func TestMethods(t *testing.T) {
 		},
 		{
 			method: func(c *Client) (*Response, error) {
-				req, err := NewRequest(play, c.nextCSeq(), url, nil)
+				req, err := NewRequest("PLAY", c.nextCSeq(), url, nil)
 				if err != nil {
 					return nil, err
 				}