diff --git a/binding/form.go b/binding/form.go
index 2e26c0ac..557333e6 100644
--- a/binding/form.go
+++ b/binding/form.go
@@ -10,11 +10,11 @@ type formBinding struct{}
 type formPostBinding struct{}
 type formMultipartBinding struct{}
 
-func (_ formBinding) Name() string {
+func (formBinding) Name() string {
 	return "form"
 }
 
-func (_ formBinding) Bind(req *http.Request, obj interface{}) error {
+func (formBinding) Bind(req *http.Request, obj interface{}) error {
 	if err := req.ParseForm(); err != nil {
 		return err
 	}
@@ -25,11 +25,11 @@ func (_ formBinding) Bind(req *http.Request, obj interface{}) error {
 	return validate(obj)
 }
 
-func (_ formPostBinding) Name() string {
+func (formPostBinding) Name() string {
 	return "form-urlencoded"
 }
 
-func (_ formPostBinding) Bind(req *http.Request, obj interface{}) error {
+func (formPostBinding) Bind(req *http.Request, obj interface{}) error {
 	if err := req.ParseForm(); err != nil {
 		return err
 	}
@@ -39,11 +39,11 @@ func (_ formPostBinding) Bind(req *http.Request, obj interface{}) error {
 	return validate(obj)
 }
 
-func (_ formMultipartBinding) Name() string {
+func (formMultipartBinding) Name() string {
 	return "multipart/form-data"
 }
 
-func (_ formMultipartBinding) Bind(req *http.Request, obj interface{}) error {
+func (formMultipartBinding) Bind(req *http.Request, obj interface{}) error {
 	if err := req.ParseMultipartForm(32 << 10); err != nil {
 		return err
 	}
diff --git a/binding/json.go b/binding/json.go
index 25c5a06c..6e532443 100644
--- a/binding/json.go
+++ b/binding/json.go
@@ -12,11 +12,11 @@ import (
 
 type jsonBinding struct{}
 
-func (_ jsonBinding) Name() string {
+func (jsonBinding) Name() string {
 	return "json"
 }
 
-func (_ jsonBinding) Bind(req *http.Request, obj interface{}) error {
+func (jsonBinding) Bind(req *http.Request, obj interface{}) error {
 	decoder := json.NewDecoder(req.Body)
 	if err := decoder.Decode(obj); err != nil {
 		return err
diff --git a/binding/xml.go b/binding/xml.go
index cac4be89..f84a6b7f 100644
--- a/binding/xml.go
+++ b/binding/xml.go
@@ -11,11 +11,11 @@ import (
 
 type xmlBinding struct{}
 
-func (_ xmlBinding) Name() string {
+func (xmlBinding) Name() string {
 	return "xml"
 }
 
-func (_ xmlBinding) Bind(req *http.Request, obj interface{}) error {
+func (xmlBinding) Bind(req *http.Request, obj interface{}) error {
 	decoder := xml.NewDecoder(req.Body)
 	if err := decoder.Decode(obj); err != nil {
 		return err