diff --git a/pkg/apis/duck/v1alpha1/channelable_combined_types.go b/pkg/apis/duck/v1alpha1/channelable_combined_types.go
index b7be77b56c1..2e77a3f4012 100644
--- a/pkg/apis/duck/v1alpha1/channelable_combined_types.go
+++ b/pkg/apis/duck/v1alpha1/channelable_combined_types.go
@@ -53,7 +53,7 @@ type ChannelableCombinedSpec struct {
 	SubscribableTypeSpec `json:",inline"`
 
 	// SubscribableSpec is for the v1beta1 spec compatibility.
-	//SubscribableSpec eventingduckv1beta1.SubscribableSpec `json:",inline"`
+	SubscribableSpecv1beta1 eventingduckv1beta1.SubscribableSpec `json:",inline"`
 
 	// DeliverySpec contains options controlling the event delivery
 	// for the v1beta1 spec compatibility.
@@ -80,7 +80,7 @@ type ChannelableCombinedStatus struct {
 	// SubscribableTypeStatus is the v1alpha1 part of the Subscribers status
 	SubscribableTypeStatus `json:",inline"`
 	// SubscribableStatus is the v1beta1 part of the Subscribers status.
-	//eventingduckv1beta1.SubscribableStatus `json:",inline"`
+	SubscribableStatusv1beta1 eventingduckv1beta1.SubscribableStatus `json:",inline"`
 	// SubscribableStatusv1 is the v1 part of the Subscribers status.
 	eventingduckv1.SubscribableStatus `json:",inline"`
 	// ErrorChannel is set by the channel when it supports native error handling via a channel
@@ -111,7 +111,7 @@ func (c *ChannelableCombined) Populate() {
 			ReplyURI:      apis.HTTP("sink2"),
 		}},
 	}
-	/*c.Spec.SubscribableSpec = eventingduckv1beta1.SubscribableSpec{
+	c.Spec.SubscribableSpecv1beta1 = eventingduckv1beta1.SubscribableSpec{
 		// Populate ALL fields
 		Subscribers: []eventingduckv1beta1.SubscriberSpec{{
 			UID:           "2f9b5e8e-deb6-11e8-9f32-f2801f1b9fd1",
@@ -124,7 +124,7 @@ func (c *ChannelableCombined) Populate() {
 			SubscriberURI: apis.HTTP("call2"),
 			ReplyURI:      apis.HTTP("sink2"),
 		}},
-	}*/
+	}
 	c.Spec.SubscribableSpec = eventingduckv1.SubscribableSpec{
 		// Populate ALL fields
 		Subscribers: []eventingduckv1.SubscriberSpec{{
@@ -199,9 +199,9 @@ func (c *ChannelableCombined) Populate() {
 				Hostname: "test-domain",
 			},
 		},
-		/*SubscribableStatus: eventingduckv1beta1.SubscribableStatus{
-			Subscribers: subscribers,
-		},*/
+		SubscribableStatusv1beta1: eventingduckv1beta1.SubscribableStatus{
+			Subscribers: subscribersv1beta1,
+		},
 		SubscribableStatus: eventingduckv1.SubscribableStatus{
 			Subscribers: subscribers,
 		},
diff --git a/pkg/apis/duck/v1alpha1/channelable_combined_types_test.go b/pkg/apis/duck/v1alpha1/channelable_combined_types_test.go
index 3c4b43fb449..8d452be3423 100644
--- a/pkg/apis/duck/v1alpha1/channelable_combined_types_test.go
+++ b/pkg/apis/duck/v1alpha1/channelable_combined_types_test.go
@@ -49,7 +49,7 @@ func TestChannelableCombinedPopulate(t *testing.T) {
 	delay := "5s"
 	want := &ChannelableCombined{
 		Spec: ChannelableCombinedSpec{
-			/*SubscribableSpec: eventingduckv1beta1.SubscribableSpec{
+			SubscribableSpecv1beta1: eventingduckv1beta1.SubscribableSpec{
 				// Populate ALL fields
 				Subscribers: []eventingduckv1beta1.SubscriberSpec{{
 					UID:           "2f9b5e8e-deb6-11e8-9f32-f2801f1b9fd1",
@@ -62,7 +62,7 @@ func TestChannelableCombinedPopulate(t *testing.T) {
 					SubscriberURI: apis.HTTP("call2"),
 					ReplyURI:      apis.HTTP("sink2"),
 				}},
-			},*/
+			},
 			SubscribableSpec: eventingduckv1.SubscribableSpec{
 				// Populate ALL fields
 				Subscribers: []eventingduckv1.SubscriberSpec{{
@@ -135,7 +135,7 @@ func TestChannelableCombinedPopulate(t *testing.T) {
 					Hostname: "test-domain",
 				},
 			},
-			/*SubscribableStatus: eventingduckv1beta1.SubscribableStatus{
+			SubscribableStatusv1beta1: eventingduckv1beta1.SubscribableStatus{
 				Subscribers: []eventingduckv1beta1.SubscriberStatus{{
 					UID:                "2f9b5e8e-deb6-11e8-9f32-f2801f1b9fd1",
 					ObservedGeneration: 1,
@@ -147,7 +147,7 @@ func TestChannelableCombinedPopulate(t *testing.T) {
 					Ready:              corev1.ConditionFalse,
 					Message:            "Some message",
 				}},
-			},*/
+			},
 			SubscribableStatus: eventingduckv1.SubscribableStatus{
 				Subscribers: []eventingduckv1.SubscriberStatus{{
 					UID:                "2f9b5e8e-deb6-11e8-9f32-f2801f1b9fd1",
diff --git a/pkg/reconciler/testing/v1/channelable.go b/pkg/reconciler/testing/v1/channelable.go
index 1b97630115f..018f5872b70 100644
--- a/pkg/reconciler/testing/v1/channelable.go
+++ b/pkg/reconciler/testing/v1/channelable.go
@@ -24,8 +24,8 @@ import (
 	"knative.dev/eventing/pkg/apis/duck/v1alpha1"
 	"knative.dev/eventing/pkg/apis/messaging"
 	"knative.dev/pkg/apis"
-	pkgduckv1 "knative.dev/pkg/apis/duck/v1"
 	pkgduckv1alpha1 "knative.dev/pkg/apis/duck/v1alpha1"
+	pkgduckv1beta1 "knative.dev/pkg/apis/duck/v1beta1"
 )
 
 // Channelable allows us to have a fake channel for testinv1alpha1
@@ -105,7 +105,7 @@ func WithChannelableReady() ChannelableOption {
 func WithChannelableAddress(a string) ChannelableOption {
 	return func(c *v1alpha1.Channelable) {
 		c.Status.Address = &pkgduckv1alpha1.Addressable{
-			Addressablev1: pkgduckv1.Addressable{
+			Addressable: pkgduckv1beta1.Addressable{
 				URL: apis.HTTP(a),
 			},
 		}
diff --git a/vendor/knative.dev/pkg/apis/duck/v1alpha1/addressable_types.go b/vendor/knative.dev/pkg/apis/duck/v1alpha1/addressable_types.go
index 6df53e15dbc..328246f6f65 100644
--- a/vendor/knative.dev/pkg/apis/duck/v1alpha1/addressable_types.go
+++ b/vendor/knative.dev/pkg/apis/duck/v1alpha1/addressable_types.go
@@ -40,8 +40,6 @@ import (
 type Addressable struct {
 	v1beta1.Addressable `json:",omitempty"`
 
-	Addressablev1 v1.Addressable `json:",omitempty"`
-
 	Hostname string `json:"hostname,omitempty"`
 }
 
@@ -134,12 +132,6 @@ func (t *AddressableType) Populate() {
 					Host:   "foo.bar.svc.cluster.local",
 				},
 			},
-			Addressablev1: v1.Addressable{
-				URL: &apis.URL{
-					Scheme: "http",
-					Host:   "foo.bar.svc.cluster.local",
-				},
-			},
 			Hostname: "this is not empty",
 		},
 	}