diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 91fadcfd..87edfbb2 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -5,12 +5,13 @@
 package binding
 
 import (
-	"encoding/json"
 	"errors"
 	"reflect"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/gin-gonic/gin/internal/json"
 )
 
 var errUnknownType = errors.New("Unknown type")
diff --git a/gin.go b/gin.go
index 1923eca2..2d24092f 100644
--- a/gin.go
+++ b/gin.go
@@ -366,10 +366,10 @@ func (engine *Engine) HandleContext(c *Context) {
 
 func (engine *Engine) handleHTTPRequest(c *Context) {
 	httpMethod := c.Request.Method
-	path := c.Request.URL.Path
+	rPath := c.Request.URL.Path
 	unescape := false
 	if engine.UseRawPath && len(c.Request.URL.RawPath) > 0 {
-		path = c.Request.URL.RawPath
+		rPath = c.Request.URL.RawPath
 		unescape = engine.UnescapePathValues
 	}
 
@@ -381,7 +381,7 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 		}
 		root := t[i].root
 		// Find route in tree
-		handlers, params, tsr := root.getValue(path, c.Params, unescape)
+		handlers, params, tsr := root.getValue(rPath, c.Params, unescape)
 		if handlers != nil {
 			c.handlers = handlers
 			c.Params = params
@@ -389,7 +389,7 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 			c.writermem.WriteHeaderNow()
 			return
 		}
-		if httpMethod != "CONNECT" && path != "/" {
+		if httpMethod != "CONNECT" && rPath != "/" {
 			if tsr && engine.RedirectTrailingSlash {
 				redirectTrailingSlash(c)
 				return
@@ -406,7 +406,7 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 			if tree.method == httpMethod {
 				continue
 			}
-			if handlers, _, _ := tree.root.getValue(path, nil, unescape); handlers != nil {
+			if handlers, _, _ := tree.root.getValue(rPath, nil, unescape); handlers != nil {
 				c.handlers = engine.allNoMethod
 				serveError(c, http.StatusMethodNotAllowed, default405Body)
 				return
@@ -459,15 +459,15 @@ func redirectTrailingSlash(c *Context) {
 
 func redirectFixedPath(c *Context, root *node, trailingSlash bool) bool {
 	req := c.Request
-	path := req.URL.Path
+	rPath := req.URL.Path
 
-	if fixedPath, ok := root.findCaseInsensitivePath(cleanPath(path), trailingSlash); ok {
+	if fixedPath, ok := root.findCaseInsensitivePath(cleanPath(rPath), trailingSlash); ok {
 		code := http.StatusMovedPermanently // Permanent redirect, request with GET method
 		if req.Method != "GET" {
 			code = http.StatusTemporaryRedirect
 		}
 		req.URL.Path = string(fixedPath)
-		debugPrint("redirecting request %d: %s --> %s", code, path, req.URL.String())
+		debugPrint("redirecting request %d: %s --> %s", code, rPath, req.URL.String())
 		http.Redirect(c.Writer, req, req.URL.String(), code)
 		c.writermem.WriteHeaderNow()
 		return true
diff --git a/internal/json/json.go b/internal/json/json.go
index 419d35f2..480e8bff 100644
--- a/internal/json/json.go
+++ b/internal/json/json.go
@@ -11,6 +11,8 @@ import "encoding/json"
 var (
 	// Marshal is exported by gin/json package.
 	Marshal = json.Marshal
+	// Unmarshal is exported by gin/json package.
+	Unmarshal = json.Unmarshal
 	// MarshalIndent is exported by gin/json package.
 	MarshalIndent = json.MarshalIndent
 	// NewDecoder is exported by gin/json package.
diff --git a/internal/json/jsoniter.go b/internal/json/jsoniter.go
index 2021c53c..fabd7b84 100644
--- a/internal/json/jsoniter.go
+++ b/internal/json/jsoniter.go
@@ -12,6 +12,8 @@ var (
 	json = jsoniter.ConfigCompatibleWithStandardLibrary
 	// Marshal is exported by gin/json package.
 	Marshal = json.Marshal
+	// Unmarshal is exported by gin/json package.
+	Unmarshal = json.Unmarshal
 	// MarshalIndent is exported by gin/json package.
 	MarshalIndent = json.MarshalIndent
 	// NewDecoder is exported by gin/json package.
diff --git a/recovery.go b/recovery.go
index 0e35968f..9e893e1b 100644
--- a/recovery.go
+++ b/recovery.go
@@ -52,12 +52,12 @@ func RecoveryWithWriter(out io.Writer) HandlerFunc {
 				}
 				if logger != nil {
 					stack := stack(3)
-					httprequest, _ := httputil.DumpRequest(c.Request, false)
+					httpRequest, _ := httputil.DumpRequest(c.Request, false)
 					if brokenPipe {
-						logger.Printf("%s\n%s%s", err, string(httprequest), reset)
+						logger.Printf("%s\n%s%s", err, string(httpRequest), reset)
 					} else if IsDebugging() {
 						logger.Printf("[Recovery] %s panic recovered:\n%s\n%s\n%s%s",
-							timeFormat(time.Now()), string(httprequest), err, stack, reset)
+							timeFormat(time.Now()), string(httpRequest), err, stack, reset)
 					} else {
 						logger.Printf("[Recovery] %s panic recovered:\n%s\n%s%s",
 							timeFormat(time.Now()), err, stack, reset)
@@ -128,8 +128,8 @@ func function(pc uintptr) []byte {
 	//	*T.ptrmethod
 	// Also the package path might contains dot (e.g. code.google.com/...),
 	// so first eliminate the path prefix
-	if lastslash := bytes.LastIndex(name, slash); lastslash >= 0 {
-		name = name[lastslash+1:]
+	if lastSlash := bytes.LastIndex(name, slash); lastSlash >= 0 {
+		name = name[lastSlash+1:]
 	}
 	if period := bytes.Index(name, dot); period >= 0 {
 		name = name[period+1:]