diff --git a/gjson.go b/gjson.go
index d682d92..bac29a9 100644
--- a/gjson.go
+++ b/gjson.go
@@ -2,14 +2,9 @@
 package gjson
 
 import (
-	"encoding/base64"
 	"encoding/json"
-	"errors"
-	"reflect"
 	"strconv"
 	"strings"
-	"sync"
-	"sync/atomic"
 	"time"
 	"unicode/utf16"
 	"unicode/utf8"
@@ -2199,145 +2194,6 @@ func GetManyBytes(json []byte, path ...string) []Result {
 	return res
 }
 
-var fieldsmu sync.RWMutex
-var fields = make(map[string]map[string]int)
-
-func assign(jsval Result, goval reflect.Value) {
-	if jsval.Type == Null {
-		return
-	}
-	switch goval.Kind() {
-	default:
-	case reflect.Ptr:
-		if !goval.IsNil() {
-			newval := reflect.New(goval.Elem().Type())
-			assign(jsval, newval.Elem())
-			goval.Elem().Set(newval.Elem())
-		} else {
-			newval := reflect.New(goval.Type().Elem())
-			assign(jsval, newval.Elem())
-			goval.Set(newval)
-		}
-	case reflect.Struct:
-		fieldsmu.RLock()
-		sf := fields[goval.Type().String()]
-		fieldsmu.RUnlock()
-		if sf == nil {
-			fieldsmu.Lock()
-			sf = make(map[string]int)
-			for i := 0; i < goval.Type().NumField(); i++ {
-				f := goval.Type().Field(i)
-				tag := strings.Split(f.Tag.Get("json"), ",")[0]
-				if tag != "-" {
-					if tag != "" {
-						sf[tag] = i
-						sf[f.Name] = i
-					} else {
-						sf[f.Name] = i
-					}
-				}
-			}
-			fields[goval.Type().String()] = sf
-			fieldsmu.Unlock()
-		}
-		jsval.ForEach(func(key, value Result) bool {
-			if idx, ok := sf[key.Str]; ok {
-				f := goval.Field(idx)
-				if f.CanSet() {
-					assign(value, f)
-				}
-			}
-			return true
-		})
-	case reflect.Slice:
-		if goval.Type().Elem().Kind() == reflect.Uint8 &&
-			jsval.Type == String {
-			data, _ := base64.StdEncoding.DecodeString(jsval.String())
-			goval.Set(reflect.ValueOf(data))
-		} else {
-			jsvals := jsval.Array()
-			slice := reflect.MakeSlice(goval.Type(), len(jsvals), len(jsvals))
-			for i := 0; i < len(jsvals); i++ {
-				assign(jsvals[i], slice.Index(i))
-			}
-			goval.Set(slice)
-		}
-	case reflect.Array:
-		i, n := 0, goval.Len()
-		jsval.ForEach(func(_, value Result) bool {
-			if i == n {
-				return false
-			}
-			assign(value, goval.Index(i))
-			i++
-			return true
-		})
-	case reflect.Map:
-		if goval.Type().Key().Kind() == reflect.String &&
-			goval.Type().Elem().Kind() == reflect.Interface {
-			goval.Set(reflect.ValueOf(jsval.Value()))
-		}
-	case reflect.Interface:
-		goval.Set(reflect.ValueOf(jsval.Value()))
-	case reflect.Bool:
-		goval.SetBool(jsval.Bool())
-	case reflect.Float32, reflect.Float64:
-		goval.SetFloat(jsval.Float())
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32,
-		reflect.Int64:
-		goval.SetInt(jsval.Int())
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,
-		reflect.Uint64:
-		goval.SetUint(jsval.Uint())
-	case reflect.String:
-		goval.SetString(jsval.String())
-	}
-	if len(goval.Type().PkgPath()) > 0 {
-		v := goval.Addr()
-		if v.Type().NumMethod() > 0 {
-			if u, ok := v.Interface().(json.Unmarshaler); ok {
-				u.UnmarshalJSON([]byte(jsval.Raw))
-			}
-		}
-	}
-}
-
-var validate uintptr = 1
-
-// UnmarshalValidationEnabled provides the option to disable JSON validation
-// during the Unmarshal routine. Validation is enabled by default.
-//
-// Deprecated: Use encoder/json.Unmarshal instead
-func UnmarshalValidationEnabled(enabled bool) {
-	if enabled {
-		atomic.StoreUintptr(&validate, 1)
-	} else {
-		atomic.StoreUintptr(&validate, 0)
-	}
-}
-
-// Unmarshal loads the JSON data into the value pointed to by v.
-//
-// This function works almost identically to json.Unmarshal except  that
-// gjson.Unmarshal will automatically attempt to convert JSON values to any Go
-// type. For example, the JSON string "100" or the JSON number 100 can be
-// equally assigned to Go string, int, byte, uint64, etc. This rule applies to
-// all types.
-//
-// Deprecated: Use encoder/json.Unmarshal instead
-func Unmarshal(data []byte, v interface{}) error {
-	if atomic.LoadUintptr(&validate) == 1 {
-		_, ok := validpayload(data, 0)
-		if !ok {
-			return errors.New("invalid json")
-		}
-	}
-	if v := reflect.ValueOf(v); v.Kind() == reflect.Ptr {
-		assign(ParseBytes(data), v)
-	}
-	return nil
-}
-
 func validpayload(data []byte, i int) (outi int, ok bool) {
 	for ; i < len(data); i++ {
 		switch data[i] {
diff --git a/gjson_test.go b/gjson_test.go
index 04031ec..7a3255a 100644
--- a/gjson_test.go
+++ b/gjson_test.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/rand"
-	"reflect"
 	"strconv"
 	"strings"
 	"testing"
@@ -996,26 +995,6 @@ var complicatedJSON = `
 }
 `
 
-func TestUnmarshal(t *testing.T) {
-	var s1 ComplicatedType
-	var s2 ComplicatedType
-	if err := json.Unmarshal([]byte(complicatedJSON), &s1); err != nil {
-		t.Fatal(err)
-	}
-	if err := Unmarshal([]byte(complicatedJSON), &s2); err != nil {
-		t.Fatal(err)
-	}
-	if !reflect.DeepEqual(&s1, &s2) {
-		t.Fatal("not equal")
-	}
-	var str string
-	err := json.Unmarshal([]byte(Get(complicatedJSON, "LeftOut").Raw), &str)
-	if err != nil {
-		t.Fatal(err)
-	}
-	assert(t, str == Get(complicatedJSON, "LeftOut").String())
-}
-
 func testvalid(t *testing.T, json string, expect bool) {
 	t.Helper()
 	_, ok := validpayload([]byte(json), 0)