1 files changed, 1 insertions, 8 deletions
diff --git a/encode.go b/encode.go
index 492b40f..b6541cd 100644
--- a/encode.go
+++ b/encode.go
@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"encoding"
 	"encoding/base64"
-	"encoding/json"
 	"fmt"
 	"io"
 	"reflect"
@@ -96,12 +95,6 @@ func discardInt(_ int, err error) error {
 	return err
 }
 
-var (
-	encodableType     = reflect.TypeOf((*Encodable)(nil)).Elem()
-	jsonMarshalerType = reflect.TypeOf((*json.Marshaler)(nil)).Elem()
-	textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
-)
-
 const startDetectingCyclesAfter = 1000
 
 func encode(w *ReEncoder, val reflect.Value, escaper BackslashEscaper, quote bool, cycleDepth uint, cycleSeen map[any]struct{}) error {
@@ -145,7 +138,7 @@ func encode(w *ReEncoder, val reflect.Value, escaper BackslashEscaper, quote boo
 		if val.Kind() == reflect.Pointer && val.IsNil() {
 			return discardInt(w.WriteString("null"))
 		}
-		obj, ok := val.Interface().(json.Marshaler)
+		obj, ok := val.Interface().(jsonMarshaler)
 		if !ok {
 			return discardInt(w.WriteString("null"))
 		}