diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/CatalogueSource.kt b/library/src/main/java/eu/kanade/tachiyomi/source/CatalogueSource.kt
index f5f11a0..fbb17fc 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/CatalogueSource.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/CatalogueSource.kt
@@ -4,6 +4,7 @@ import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.MangasPage
 import rx.Observable
 
+@Suppress("unused")
 interface CatalogueSource : Source {
 
     /**
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/ConfigurableSource.kt b/library/src/main/java/eu/kanade/tachiyomi/source/ConfigurableSource.kt
index f6de8d3..2b00112 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/ConfigurableSource.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/ConfigurableSource.kt
@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.source
 
 import androidx.preference.PreferenceScreen
 
+@Suppress("unused")
 interface ConfigurableSource {
 
     fun setupPreferenceScreen(screen: PreferenceScreen)
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/Source.kt b/library/src/main/java/eu/kanade/tachiyomi/source/Source.kt
index 7a5f43a..4e00356 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/Source.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/Source.kt
@@ -8,6 +8,7 @@ import rx.Observable
 /**
  * A basic interface for creating a source. It could be an online source, a local source, etc...
  */
+@Suppress("unused")
 interface Source {
 
     /**
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/SourceFactory.kt b/library/src/main/java/eu/kanade/tachiyomi/source/SourceFactory.kt
index d326c43..b6bde02 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/SourceFactory.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/SourceFactory.kt
@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.source
 /**
  * A factory for creating sources at runtime.
  */
+@Suppress("unused")
 interface SourceFactory {
     /**
      * Create a new copy of the sources
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/UnmeteredSource.kt b/library/src/main/java/eu/kanade/tachiyomi/source/UnmeteredSource.kt
index 7536ccb..89af0ff 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/UnmeteredSource.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/UnmeteredSource.kt
@@ -5,4 +5,5 @@ package eu.kanade.tachiyomi.source
  *
  * This typically applies for self-hosted sources.
  */
+@Suppress("unused")
 interface UnmeteredSource
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/Filter.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/Filter.kt
index a656878..b2ab3ef 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/Filter.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/Filter.kt
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.source.model
 
+@Suppress("unused")
 sealed class Filter<T>(val name: String, var state: T) {
     open class Header(name: String) : Filter<Any>(name, 0)
     open class Separator(name: String = "") : Filter<Any>(name, 0)
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/FilterList.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/FilterList.kt
index e24db65..e431a14 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/FilterList.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/FilterList.kt
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.source.model
 
+@Suppress("unused")
 data class FilterList(val list: List<Filter<*>>) : List<Filter<*>> by list {
 
     constructor(vararg fs: Filter<*>) : this(if (fs.isNotEmpty()) fs.asList() else emptyList())
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/Page.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/Page.kt
index 39715eb..05e62cb 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/Page.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/Page.kt
@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.source.model
 
 import android.net.Uri
 
+@Suppress("unused")
 class Page(
         val index: Int,
         val url: String = "",
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/SChapter.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/SChapter.kt
index ca571b8..7039b2a 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/SChapter.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/SChapter.kt
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.source.model
 
+@Suppress("unused")
 interface SChapter {
 
     var url: String
@@ -17,5 +18,4 @@ interface SChapter {
             throw Exception("Stub!")
         }
     }
-
 }
\ No newline at end of file
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt
index 3ecb11e..99530b9 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/SManga.kt
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.source.model
 
+@Suppress("unused")
 interface SManga {
 
     var url: String
@@ -35,5 +36,4 @@ interface SManga {
             throw Exception("Stub!")
         }
     }
-
 }
\ No newline at end of file
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/model/UpdateStrategy.kt b/library/src/main/java/eu/kanade/tachiyomi/source/model/UpdateStrategy.kt
index aa1d701..c484236 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/model/UpdateStrategy.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/model/UpdateStrategy.kt
@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.source.model
 
+@Suppress("unused")
 enum class UpdateStrategy {
     ALWAYS_UPDATE,
     ONLY_FETCH_ONCE
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt b/library/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt
index 59f6d31..e6b0fed 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt
@@ -77,14 +77,14 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the page number to retrieve.
      */
-    abstract protected fun popularMangaRequest(page: Int): Request
+    protected abstract fun popularMangaRequest(page: Int): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun popularMangaParse(response: Response): MangasPage
+    protected abstract fun popularMangaParse(response: Response): MangasPage
 
     /**
      * Returns an observable containing a page with a list of manga. Normally it's not needed to
@@ -105,14 +105,14 @@ abstract class HttpSource : CatalogueSource {
      * @param query the search query.
      * @param filters the list of filters to apply.
      */
-    abstract protected fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request
+    protected abstract fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun searchMangaParse(response: Response): MangasPage
+    protected abstract fun searchMangaParse(response: Response): MangasPage
 
     /**
      * Returns an observable containing a page with a list of latest manga updates.
@@ -128,14 +128,14 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param page the page number to retrieve.
      */
-    abstract protected fun latestUpdatesRequest(page: Int): Request
+    protected abstract fun latestUpdatesRequest(page: Int): Request
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
      *
      * @param response the response from the site.
      */
-    abstract protected fun latestUpdatesParse(response: Response): MangasPage
+    protected abstract fun latestUpdatesParse(response: Response): MangasPage
 
     /**
      * Returns an observable with the updated details for a manga. Normally it's not needed to
@@ -162,7 +162,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun mangaDetailsParse(response: Response): SManga
+    protected abstract fun mangaDetailsParse(response: Response): SManga
 
     /**
      * Returns an observable with the updated chapter list for a manga. Normally it's not needed to
@@ -189,7 +189,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun chapterListParse(response: Response): List<SChapter>
+    protected abstract fun chapterListParse(response: Response): List<SChapter>
 
     /**
      * Returns an observable with the page list for a chapter.
@@ -215,7 +215,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun pageListParse(response: Response): List<Page>
+    protected abstract fun pageListParse(response: Response): List<Page>
 
     /**
      * Returns an observable with the page containing the source url of the image. If there's any
@@ -242,7 +242,7 @@ abstract class HttpSource : CatalogueSource {
      *
      * @param response the response from the site.
      */
-    abstract protected fun imageUrlParse(response: Response): String
+    protected abstract fun imageUrlParse(response: Response): String
 
     /**
      * Returns an observable with the response of the source image.
diff --git a/library/src/main/java/eu/kanade/tachiyomi/source/online/ParsedHttpSource.kt b/library/src/main/java/eu/kanade/tachiyomi/source/online/ParsedHttpSource.kt
index 2707fcc..d234b0c 100644
--- a/library/src/main/java/eu/kanade/tachiyomi/source/online/ParsedHttpSource.kt
+++ b/library/src/main/java/eu/kanade/tachiyomi/source/online/ParsedHttpSource.kt
@@ -11,7 +11,7 @@ import org.jsoup.nodes.Element
 /**
  * A simple implementation for sources from a website using Jsoup, an HTML parser.
  */
-@Suppress("unused", "unused_parameter")
+@Suppress("unused")
 abstract class ParsedHttpSource : HttpSource() {
 
     /**
@@ -26,7 +26,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun popularMangaSelector(): String
+    protected abstract fun popularMangaSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -34,13 +34,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [popularMangaSelector].
      */
-    abstract protected fun popularMangaFromElement(element: Element): SManga
+    protected abstract fun popularMangaFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun popularMangaNextPageSelector(): String?
+    protected abstract fun popularMangaNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
@@ -54,7 +54,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun searchMangaSelector(): String
+    protected abstract fun searchMangaSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -62,13 +62,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [searchMangaSelector].
      */
-    abstract protected fun searchMangaFromElement(element: Element): SManga
+    protected abstract fun searchMangaFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun searchMangaNextPageSelector(): String?
+    protected abstract fun searchMangaNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns a [MangasPage] object.
@@ -82,7 +82,7 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each manga.
      */
-    abstract protected fun latestUpdatesSelector(): String
+    protected abstract fun latestUpdatesSelector(): String
 
     /**
      * Returns a manga from the given [element]. Most sites only show the title and the url, it's
@@ -90,13 +90,13 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param element an element obtained from [latestUpdatesSelector].
      */
-    abstract protected fun latestUpdatesFromElement(element: Element): SManga
+    protected abstract fun latestUpdatesFromElement(element: Element): SManga
 
     /**
      * Returns the Jsoup selector that returns the <a> tag linking to the next page, or null if
      * there's no next page.
      */
-    abstract protected fun latestUpdatesNextPageSelector(): String?
+    protected abstract fun latestUpdatesNextPageSelector(): String?
 
     /**
      * Parses the response from the site and returns the details of a manga.
@@ -112,7 +112,7 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun mangaDetailsParse(document: Document): SManga
+    protected abstract fun mangaDetailsParse(document: Document): SManga
 
     /**
      * Parses the response from the site and returns a list of chapters.
@@ -126,14 +126,14 @@ abstract class ParsedHttpSource : HttpSource() {
     /**
      * Returns the Jsoup selector that returns a list of [Element] corresponding to each chapter.
      */
-    abstract protected fun chapterListSelector(): String
+    protected abstract fun chapterListSelector(): String
 
     /**
      * Returns a chapter from the given element.
      *
      * @param element an element obtained from [chapterListSelector].
      */
-    abstract protected fun chapterFromElement(element: Element): SChapter
+    protected abstract fun chapterFromElement(element: Element): SChapter
 
     /**
      * Parses the response from the site and returns the page list.
@@ -149,7 +149,7 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun pageListParse(document: Document): List<Page>
+    protected abstract fun pageListParse(document: Document): List<Page>
 
     /**
      * Parse the response from the site and returns the absolute url to the source image.
@@ -165,5 +165,5 @@ abstract class ParsedHttpSource : HttpSource() {
      *
      * @param document the parsed document.
      */
-    abstract protected fun imageUrlParse(document: Document): String
+    protected abstract fun imageUrlParse(document: Document): String
 }