diff --git a/generate/testdata/snapshots/TestGenerate-CovariantInterfaceImplementation.graphql-CovariantInterfaceImplementation.graphql.go b/generate/testdata/snapshots/TestGenerate-CovariantInterfaceImplementation.graphql-CovariantInterfaceImplementation.graphql.go
index 3f549d01..47213148 100644
--- a/generate/testdata/snapshots/TestGenerate-CovariantInterfaceImplementation.graphql-CovariantInterfaceImplementation.graphql.go
+++ b/generate/testdata/snapshots/TestGenerate-CovariantInterfaceImplementation.graphql-CovariantInterfaceImplementation.graphql.go
@@ -28,14 +28,8 @@ type ContentFields interface {
 }
 
 func (v *ContentFieldsArticle) implementsGraphQLInterfaceContentFields() {}
-func (v *ContentFieldsArticle) implementsGraphQLInterfaceNext()          {}
-func (v *ContentFieldsArticle) implementsGraphQLInterfaceRelated()       {}
 func (v *ContentFieldsTopic) implementsGraphQLInterfaceContentFields()   {}
-func (v *ContentFieldsTopic) implementsGraphQLInterfaceNext()            {}
-func (v *ContentFieldsTopic) implementsGraphQLInterfaceRelated()         {}
 func (v *ContentFieldsVideo) implementsGraphQLInterfaceContentFields()   {}
-func (v *ContentFieldsVideo) implementsGraphQLInterfaceNext()            {}
-func (v *ContentFieldsVideo) implementsGraphQLInterfaceRelated()         {}
 
 func __unmarshalContentFields(b []byte, v *ContentFields) error {
 	if string(b) == "null" {
@@ -893,16 +887,10 @@ type CovariantInterfaceImplementationRandomItemContent interface {
 
 func (v *CovariantInterfaceImplementationRandomItemArticle) implementsGraphQLInterfaceCovariantInterfaceImplementationRandomItemContent() {
 }
-func (v *CovariantInterfaceImplementationRandomItemArticle) implementsGraphQLInterfaceNext()    {}
-func (v *CovariantInterfaceImplementationRandomItemArticle) implementsGraphQLInterfaceRelated() {}
 func (v *CovariantInterfaceImplementationRandomItemTopic) implementsGraphQLInterfaceCovariantInterfaceImplementationRandomItemContent() {
 }
-func (v *CovariantInterfaceImplementationRandomItemTopic) implementsGraphQLInterfaceNext()    {}
-func (v *CovariantInterfaceImplementationRandomItemTopic) implementsGraphQLInterfaceRelated() {}
 func (v *CovariantInterfaceImplementationRandomItemVideo) implementsGraphQLInterfaceCovariantInterfaceImplementationRandomItemContent() {
 }
-func (v *CovariantInterfaceImplementationRandomItemVideo) implementsGraphQLInterfaceNext()    {}
-func (v *CovariantInterfaceImplementationRandomItemVideo) implementsGraphQLInterfaceRelated() {}
 
 func __unmarshalCovariantInterfaceImplementationRandomItemContent(b []byte, v *CovariantInterfaceImplementationRandomItemContent) error {
 	if string(b) == "null" {
diff --git a/generate/types.go b/generate/types.go
index f87a04b4..7641d9b1 100644
--- a/generate/types.go
+++ b/generate/types.go
@@ -526,12 +526,11 @@ func (typ *goInterfaceType) WriteDefinition(w io.Writer, g *generator) error {
 		// implement nested interface union type
 		for _, sharedField := range typ.SharedFields {
 			if sharedField.IsAbstract() {
-				name := sharedField.GoName
-				if name == "" {
-					name = sharedField.GoType.Reference()
+				// embedded type
+				if sharedField.GoName == "" {
+					fmt.Fprintf(w, "func (v *%s) %s() {}\n",
+						impl.Reference(), fmt.Sprintf("implementsGraphQLInterface%s", sharedField.GoType.Reference()))
 				}
-				fmt.Fprintf(w, "func (v *%s) %s() {}\n",
-					impl.Reference(), fmt.Sprintf("implementsGraphQLInterface%s", name))
 			}
 		}
 	}