diff --git a/schema/field.go b/schema/field.go
index 5dbc96f1..0016cd38 100644
--- a/schema/field.go
+++ b/schema/field.go
@@ -64,12 +64,12 @@ type Field struct {
 	StructField            reflect.StructField
 	Tag                    reflect.StructTag
 	TagSettings            map[string]string
-	Schema                 *Schema
-	EmbeddedSchema         *Schema
-	OwnerSchema            *Schema
-	ReflectValueOf         func(reflect.Value) reflect.Value
-	ValueOf                func(reflect.Value) (value interface{}, zero bool)
-	Set                    func(reflect.Value, interface{}) error
+	Schema                 *Schema                                            `json:"-"`
+	EmbeddedSchema         *Schema                                            `json:"-"`
+	OwnerSchema            *Schema                                            `json:"-"`
+	ReflectValueOf         func(reflect.Value) reflect.Value                  `json:"-"`
+	ValueOf                func(reflect.Value) (value interface{}, zero bool) `json:"-"`
+	Set                    func(reflect.Value, interface{}) error             `json:"-"`
 	IgnoreMigration        bool
 }
 
diff --git a/schema/schema_test.go b/schema/schema_test.go
index c2adcd3b..c3f97ce5 100644
--- a/schema/schema_test.go
+++ b/schema/schema_test.go
@@ -299,7 +299,6 @@ func TestEmbeddedStructForCustomizedNamingStrategy(t *testing.T) {
 	}
 }
 
-
 func TestSchemaParseMarshalJson(t *testing.T) {
 	type model struct {
 		gorm.Model
@@ -314,4 +313,4 @@ func TestSchemaParseMarshalJson(t *testing.T) {
 	if err != nil {
 		t.Fatalf("error while json marshaling schema %v", err)
 	}
-}
\ No newline at end of file
+}