diff --git a/pkg/source/source.go b/pkg/source/source.go
index 866ac5236e..be5143f58b 100644
--- a/pkg/source/source.go
+++ b/pkg/source/source.go
@@ -229,30 +229,6 @@ func (cs *Channel) Stop() error {
 	return cs.group.Wait()
 }
 
-var _ Source = Func(nil)
-
-// Func is a function that implements Source.
-// Deprecated: use manually implemented Source instead.
-type Func func(context.Context, handler.EventHandler, workqueue.RateLimitingInterface, ...predicate.Predicate) error
-
-// Start is internal and should be called only by the Controller to register an EventHandler with the Informer
-// to enqueue reconcile.Requests.
-func (f Func) Start(ctx context.Context, evt handler.EventHandler, queue workqueue.RateLimitingInterface,
-	pr ...predicate.Predicate) error {
-	return f(ctx, evt, queue, pr...)
-}
-
-// Stop is internal and should be called only by the Controller to stop the Source. It should block until the
-// Source has stopped.
-// WARNING: will always return an error.
-func (f Func) Stop() error {
-	return fmt.Errorf("Func source is not stoppable")
-}
-
-func (f Func) String() string {
-	return fmt.Sprintf("func source: %p", f)
-}
-
 // Informer is used to provide a source of events originating inside the cluster from Watches (e.g. Pod Create).
 type Informer struct {
 	// Informer is the controller-runtime Informer
@@ -323,3 +299,27 @@ func (is *Informer) Stop() error {
 func (is *Informer) String() string {
 	return fmt.Sprintf("informer source: %p", is.Informer)
 }
+
+var _ Source = Func(nil)
+
+// Func is a function that implements Source.
+// Deprecated: use manually implemented Source instead.
+type Func func(context.Context, handler.EventHandler, workqueue.RateLimitingInterface, ...predicate.Predicate) error
+
+// Start is internal and should be called only by the Controller to register an EventHandler with the Informer
+// to enqueue reconcile.Requests.
+func (f Func) Start(ctx context.Context, evt handler.EventHandler, queue workqueue.RateLimitingInterface,
+	pr ...predicate.Predicate) error {
+	return f(ctx, evt, queue, pr...)
+}
+
+// Stop is internal and should be called only by the Controller to stop the Source. It should block until the
+// Source has stopped.
+// WARNING: will always return an error.
+func (f Func) Stop() error {
+	return fmt.Errorf("Func source is not stoppable")
+}
+
+func (f Func) String() string {
+	return fmt.Sprintf("func source: %p", f)
+}