Fix covers reloading when removing manga from library

CHANGELOG.md

@@ -40,6 +40,9 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 - Remove "Custom hardware bitmap threshold" and "Custom display profile" advanced settings ([@wwww-wwww](https://github.com/wwww-wwww)) ([#3786](https://github.com/mihonapp/mihon/pull/3786))
 - Remove the "Split tall images" download setting ([@AntsyLich](https://github.com/AntsyLich))
 
+### Fixed
+- Fixed covers reloading when removing an entry from the library ([@AntsyLich](https://github.com/AntsyLich))
+
 ## [v0.21.2] - 2026-10-13
 ### Fixed
 - Fix long floating point numbers showing up in Comick progress ([@MajorTanya](https://github.com/MajorTanya)) ([#4090](https://github.com/mihonapp/mihon/pull/4090))

app/src/main/java/eu/kanade/tachiyomi/data/coil/MangaCoverFetcher.kt

@@ -60,9 +60,9 @@ class MangaCoverFetcher(
         get() = diskCacheKeyLazy.value
 
     override suspend fun fetch(): FetchResult {
-        // Use custom cover if exists
+        // Use custom cover if exists, which only library manga can have
         val useCustomCover = options.extras.getOrDefault(USE_CUSTOM_COVER_KEY)
-        if (useCustomCover) {
+        if (useCustomCover && isLibraryManga) {
             val customCoverFile = customCoverFileLazy.value
             if (customCoverFile.exists()) {
                 return fileLoader(customCoverFile)

app/src/main/java/eu/kanade/tachiyomi/data/coil/MangaCoverKeyer.kt

@@ -9,7 +9,7 @@ import tachiyomi.domain.manga.model.Manga as DomainManga
 
 class MangaKeyer : Keyer<DomainManga> {
     override fun key(data: DomainManga, options: Options): String {
-        return if (data.hasCustomCover()) {
+        return if (data.favorite && data.hasCustomCover()) {
             "${data.id};${data.coverLastModified}"
         } else {
             "${data.thumbnailUrl};${data.coverLastModified}"
@@ -21,7 +21,7 @@ class MangaCoverKeyer(
     private val coverCache: CoverCache,
 ) : Keyer<MangaCover> {
     override fun key(data: MangaCover, options: Options): String {
-        return if (coverCache.hasCustomCover(data.mangaId)) {
+        return if (data.isMangaFavorite && coverCache.hasCustomCover(data.mangaId)) {
             "${data.mangaId};${data.lastModified}"
         } else {
             "${data.url};${data.lastModified}"

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceViewModel.kt

@@ -239,11 +239,8 @@ class BrowseSourceViewModel(
     fun changeMangaFavorite(manga: Manga) {
         appScope.launch {
             val update = if (manga.favorite) {
-                val coverLastModified = manga.removeCovers(coverCache).coverLastModified
-                MangaUpdate(manga.id) {
-                    favoriteAt = null
-                    if (coverLastModified != manga.coverLastModified) this.coverLastModified = coverLastModified
-                }
+                manga.removeCovers(coverCache)
+                MangaUpdate(manga.id) { favoriteAt = null }
             } else {
                 setMangaDefaultChapterFlags.await(manga)
                 addTracks.bindEnhancedTrackers(manga, sourceManager.getOrStub(manga.source))

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaViewModel.kt

@@ -414,10 +414,7 @@ class MangaViewModel(
             if (isFavorited) {
                 // Remove from library
                 if (updateManga.awaitUpdateFavorite(manga.id, false)) {
-                    // Remove covers and update last modified in db
-                    if (manga.removeCovers(coverCache) != manga) {
-                        updateManga.awaitUpdateCoverLastModified(manga.id)
-                    }
+                    manga.removeCovers(coverCache)
                     onRemoved()
                 }
             } else {

app/src/main/java/eu/kanade/tachiyomi/util/MangaExtensions.kt

@@ -7,15 +7,10 @@ import tachiyomi.domain.manga.model.Manga
 import tachiyomi.source.local.image.LocalCoverManager
 import tachiyomi.source.local.isLocal
 import java.io.InputStream
-import kotlin.time.Clock
 
-fun Manga.removeCovers(coverCache: CoverCache): Manga {
-    if (isLocal()) return this
-    return if (coverCache.deleteFromCache(this, true) > 0) {
-        copy(coverLastModified = Clock.System.now())
-    } else {
-        this
-    }
+fun Manga.removeCovers(coverCache: CoverCache) {
+    if (isLocal()) return
+    coverCache.deleteFromCache(this, true)
 }
 
 suspend fun Manga.editCover(