diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/MigrationSourcesPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/MigrationSourcesPresenter.kt
index 5b65ae1d67..814cbfbfd1 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/MigrationSourcesPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/sources/MigrationSourcesPresenter.kt
@@ -38,6 +38,10 @@ class MigrationSourcesPresenter(
             .subscribeLatestCache(MigrationSourcesController::setSources)
     }
 
+    fun requestSortUpdate() {
+        sortRelay.call(Unit)
+    }
+
     private fun findSourcesWithManga(library: List<Manga>): List<SourceItem> {
         val header = SelectionHeader()
         return library
@@ -51,7 +55,7 @@ class MigrationSourcesPresenter(
             .toList()
     }
 
-    fun sortFn(): java.util.Comparator<SourceItem> {
+    private fun sortFn(): java.util.Comparator<SourceItem> {
         val sort by lazy {
             preferences.migrationSortingMode().get()
         }
@@ -75,8 +79,4 @@ class MigrationSourcesPresenter(
             MigrationSourcesController.DirectionSetting.DESCENDING -> Collections.reverseOrder(sortFn)
         }
     }
-
-    fun requestSortUpdate() {
-        sortRelay.call(Unit)
-    }
 }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
index 054540267f..0c0a9ce440 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
@@ -28,7 +28,7 @@ import uy.kohesive.injekt.injectLazy
  */
 open class GlobalSearchController(
     protected val initialQuery: String? = null,
-    protected val extensionFilter: String? = null,
+    private val extensionFilter: String? = null,
 ) : SearchableNucleusController<GlobalSearchControllerBinding, GlobalSearchPresenter>(),
     GlobalSearchCardAdapter.OnMangaClickListener,
     GlobalSearchAdapter.OnTitleClickListener {
@@ -55,11 +55,6 @@ open class GlobalSearchController(
         return presenter.query
     }
 
-    /**
-     * Create the [GlobalSearchPresenter] used in controller.
-     *
-     * @return instance of [GlobalSearchPresenter]
-     */
     override fun createPresenter(): GlobalSearchPresenter {
         return GlobalSearchPresenter(initialQuery, extensionFilter)
     }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchPresenter.kt
index b22330e531..b6d9b6451a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchPresenter.kt
@@ -35,8 +35,8 @@ import uy.kohesive.injekt.injectLazy
  * @param preferences manages the preference calls.
  */
 open class GlobalSearchPresenter(
-    val initialQuery: String? = "",
-    val initialExtensionFilter: String? = null,
+    private val initialQuery: String? = "",
+    private val initialExtensionFilter: String? = null,
     val sourceManager: SourceManager = Injekt.get(),
     val db: DatabaseHelper = Injekt.get(),
     val preferences: PreferencesHelper = Injekt.get(),
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
index c4fd7c1eb2..71c096a2e7 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt
@@ -1,12 +1,8 @@
 package eu.kanade.tachiyomi.ui.manga
 
 import android.content.Context
-import android.graphics.Bitmap
-import android.graphics.BitmapFactory
 import android.net.Uri
 import android.os.Bundle
-import coil.imageLoader
-import coil.memory.MemoryCache
 import com.jakewharton.rxrelay.PublishRelay
 import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
@@ -295,48 +291,6 @@ class MangaPresenter(
         moveMangaToCategories(manga, listOfNotNull(category))
     }
 
-    /**
-     * Get the manga cover as a Bitmap, either from the CoverCache (only works for library manga)
-     * or from the Coil ImageLoader cache.
-     *
-     * @param context the context used to get the Coil ImageLoader
-     * @param memoryCacheKey Coil MemoryCache.Key that points to the cover Bitmap cache location
-     * @return manga cover as Bitmap
-     */
-    fun getCoverBitmap(context: Context, memoryCacheKey: MemoryCache.Key?): Bitmap {
-        var resultBitmap = coverBitmapFromCoverCache()
-        if (resultBitmap == null && memoryCacheKey != null) {
-            resultBitmap = coverBitmapFromImageLoader(context, memoryCacheKey)
-        }
-
-        return resultBitmap ?: throw Exception("Cover not in cache")
-    }
-
-    /**
-     * Attempt manga cover retrieval from the CoverCache.
-     *
-     * @return cover as Bitmap or null if CoverCache does not contain cover for manga
-     */
-    private fun coverBitmapFromCoverCache(): Bitmap? {
-        val cover = coverCache.getCoverFile(manga)
-        return if (cover != null) {
-            BitmapFactory.decodeFile(cover.path)
-        } else {
-            null
-        }
-    }
-
-    /**
-     * Attempt manga cover retrieval from the Coil ImageLoader memoryCache.
-     *
-     * @param context the context used to get the Coil ImageLoader
-     * @param memoryCacheKey Coil MemoryCache.Key that points to the cover Bitmap cache location
-     * @return cover as Bitmap or null if there is no thumbnail cached with the memoryCacheKey
-     */
-    private fun coverBitmapFromImageLoader(context: Context, memoryCacheKey: MemoryCache.Key): Bitmap? {
-        return context.imageLoader.memoryCache?.get(memoryCacheKey)?.bitmap
-    }
-
     /**
      * Save manga cover Bitmap to picture or temporary share directory.
      *