diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt
index 3a68f6479..d55d169cc 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/base/presenter/BasePresenter.kt
@@ -7,7 +7,6 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
 import nucleus.presenter.RxPresenter
-import nucleus.presenter.delivery.Delivery
 import rx.Observable
 
 open class BasePresenter<V> : RxPresenter<V>() {
@@ -67,28 +66,4 @@ open class BasePresenter<V> : RxPresenter<V>() {
      * @param onError function to execute when the observable throws an error.
      */
     fun <T> Observable<T>.subscribeReplay(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit) = { _, _ -> }) = compose(deliverReplay<T>()).subscribe(split(onNext, onError)).apply { add(this) }
-
-    /**
-     * Subscribes an observable with [DeliverWithView] and adds it to the presenter's lifecycle
-     * subscription list.
-     *
-     * @param onNext function to execute when the observable emits an item.
-     * @param onError function to execute when the observable throws an error.
-     */
-    fun <T> Observable<T>.subscribeWithView(onNext: (V, T) -> Unit, onError: ((V, Throwable) -> Unit) = { _, _ -> }) = compose(DeliverWithView<V, T>(view())).subscribe(split(onNext, onError)).apply { add(this) }
-
-    /**
-     * A deliverable that only emits to the view if attached, otherwise the event is ignored.
-     */
-    class DeliverWithView<View, T>(private val view: Observable<View>) : Observable.Transformer<T, Delivery<View, T>> {
-
-        override fun call(observable: Observable<T>): Observable<Delivery<View, T>> {
-            return observable
-                .materialize()
-                .filter { notification -> !notification.isOnCompleted }
-                .flatMap { notification ->
-                    view.take(1).filter { it != null }.map { Delivery(it, notification) }
-                }
-        }
-    }
 }