diff --git a/src/en/mangazuki/build.gradle b/src/en/mangazuki/build.gradle
index d31fd1fa4..b4441faa8 100644
--- a/src/en/mangazuki/build.gradle
+++ b/src/en/mangazuki/build.gradle
@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: Mangazuki'
     pkgNameSuffix = 'en.mangazuki'
     extClass = '.Mangazuki'
-    extVersionCode = 4
+    extVersionCode = 5
     libVersion = '1.0'
 }
 
diff --git a/src/en/mangazuki/src/eu/kanade/tachiyomi/extension/en/mangazuki/Mangazuki.kt b/src/en/mangazuki/src/eu/kanade/tachiyomi/extension/en/mangazuki/Mangazuki.kt
index 4f3f35717..b1d16f77a 100644
--- a/src/en/mangazuki/src/eu/kanade/tachiyomi/extension/en/mangazuki/Mangazuki.kt
+++ b/src/en/mangazuki/src/eu/kanade/tachiyomi/extension/en/mangazuki/Mangazuki.kt
@@ -1,16 +1,21 @@
 package eu.kanade.tachiyomi.extension.en.mangazuki
 
 import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.source.model.*
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.ParsedHttpSource
-import okhttp3.HttpUrl
 import okhttp3.Request
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import org.jsoup.select.Elements
+import rx.Observable
 import java.text.ParseException
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
+import java.util.Locale
 
 class Mangazuki : ParsedHttpSource() {
 
@@ -58,12 +63,12 @@ class Mangazuki : ParsedHttpSource() {
 
     override fun latestUpdatesNextPageSelector() = popularMangaNextPageSelector()
 
+    // Search doesn't work on the site
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> = Observable.empty()
+
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request = throw Exception("Not used")
-
     override fun searchMangaSelector() = throw Exception("Not used")
-
     override fun searchMangaFromElement(element: Element): SManga = throw Exception("Not used")
-
     override fun searchMangaNextPageSelector() = throw Exception("Not used")
 
     override fun mangaDetailsParse(document: Document): SManga {
diff --git a/src/en/questionablecontent/src/eu/kanade/tachiyomi/extension/en/questionablecontent/QuestionableContent.kt b/src/en/questionablecontent/src/eu/kanade/tachiyomi/extension/en/questionablecontent/QuestionableContent.kt
index 539b7cb5e..3b69fefdb 100644
--- a/src/en/questionablecontent/src/eu/kanade/tachiyomi/extension/en/questionablecontent/QuestionableContent.kt
+++ b/src/en/questionablecontent/src/eu/kanade/tachiyomi/extension/en/questionablecontent/QuestionableContent.kt
@@ -32,7 +32,7 @@ class QuestionableContent : ParsedHttpSource() {
         return Observable.just(MangasPage(arrayListOf(manga), false))
     }
 
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList) = Observable.just(MangasPage(arrayListOf(), false))
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> = Observable.empty()
 
     override fun fetchMangaDetails(manga: SManga) = Observable.just(manga)
 
diff --git a/src/en/xkcd/src/eu/kanade/tachiyomi/extension/en/xkcd/Xkcd.kt b/src/en/xkcd/src/eu/kanade/tachiyomi/extension/en/xkcd/Xkcd.kt
index 45f1437cc..7016e4b91 100644
--- a/src/en/xkcd/src/eu/kanade/tachiyomi/extension/en/xkcd/Xkcd.kt
+++ b/src/en/xkcd/src/eu/kanade/tachiyomi/extension/en/xkcd/Xkcd.kt
@@ -37,7 +37,7 @@ class Xkcd : ParsedHttpSource() {
         return Observable.just(MangasPage(arrayListOf(manga), false))
     }
 
-    override fun fetchSearchManga(page: Int, query: String, filters: FilterList) = Observable.just(MangasPage(arrayListOf(), false))
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> = Observable.empty()
 
     override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
         return Observable.just(manga)