diff --git a/app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt b/app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt
index d6df6ef82..614ee30a4 100644
--- a/app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt
+++ b/app/src/main/java/eu/kanade/data/manga/MangaRepositoryImpl.kt
@@ -55,9 +55,9 @@ class MangaRepositoryImpl(
         return handler.subscribeToList { mangasQueries.getFavoriteBySourceId(sourceId, mangaMapper) }
     }
 
-    override suspend fun getDuplicateLibraryManga(title: String, sourceId: Long): Manga? {
+    override suspend fun getDuplicateLibraryManga(title: String): Manga? {
         return handler.awaitOneOrNull {
-            mangasQueries.getDuplicateLibraryManga(title, sourceId, mangaMapper)
+            mangasQueries.getDuplicateLibraryManga(title, mangaMapper)
         }
     }
 
diff --git a/app/src/main/java/eu/kanade/domain/manga/interactor/GetDuplicateLibraryManga.kt b/app/src/main/java/eu/kanade/domain/manga/interactor/GetDuplicateLibraryManga.kt
index 7193ed368..02e7a4fc3 100644
--- a/app/src/main/java/eu/kanade/domain/manga/interactor/GetDuplicateLibraryManga.kt
+++ b/app/src/main/java/eu/kanade/domain/manga/interactor/GetDuplicateLibraryManga.kt
@@ -7,7 +7,7 @@ class GetDuplicateLibraryManga(
     private val mangaRepository: MangaRepository,
 ) {
 
-    suspend fun await(title: String, sourceId: Long): Manga? {
-        return mangaRepository.getDuplicateLibraryManga(title.lowercase(), sourceId)
+    suspend fun await(title: String): Manga? {
+        return mangaRepository.getDuplicateLibraryManga(title.lowercase())
     }
 }
diff --git a/app/src/main/java/eu/kanade/domain/manga/repository/MangaRepository.kt b/app/src/main/java/eu/kanade/domain/manga/repository/MangaRepository.kt
index c741e70c5..a610f8626 100644
--- a/app/src/main/java/eu/kanade/domain/manga/repository/MangaRepository.kt
+++ b/app/src/main/java/eu/kanade/domain/manga/repository/MangaRepository.kt
@@ -23,7 +23,7 @@ interface MangaRepository {
 
     fun getFavoritesBySourceId(sourceId: Long): Flow<List<Manga>>
 
-    suspend fun getDuplicateLibraryManga(title: String, sourceId: Long): Manga?
+    suspend fun getDuplicateLibraryManga(title: String): Manga?
 
     suspend fun resetViewerFlags(): Boolean
 
diff --git a/app/src/main/java/eu/kanade/presentation/components/DuplicateMangaDialog.kt b/app/src/main/java/eu/kanade/presentation/components/DuplicateMangaDialog.kt
index 06e6fd9e4..6c416716d 100644
--- a/app/src/main/java/eu/kanade/presentation/components/DuplicateMangaDialog.kt
+++ b/app/src/main/java/eu/kanade/presentation/components/DuplicateMangaDialog.kt
@@ -9,14 +9,12 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.source.Source
 
 @Composable
 fun DuplicateMangaDialog(
     onDismissRequest: () -> Unit,
     onConfirm: () -> Unit,
     onOpenManga: () -> Unit,
-    duplicateFrom: Source,
 ) {
     AlertDialog(
         onDismissRequest = onDismissRequest,
@@ -46,12 +44,7 @@ fun DuplicateMangaDialog(
             Text(text = stringResource(R.string.are_you_sure))
         },
         text = {
-            Text(
-                text = stringResource(
-                    id = R.string.confirm_manga_add_duplicate,
-                    duplicateFrom.name,
-                ),
-            )
+            Text(text = stringResource(R.string.confirm_add_duplicate_manga))
         },
     )
 }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt
index 373f52329..4ff8164ec 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt
@@ -264,7 +264,6 @@ data class BrowseSourceScreen(
                     onDismissRequest = onDismissRequest,
                     onConfirm = { screenModel.addFavorite(dialog.manga) },
                     onOpenManga = { navigator.push(MangaScreen(dialog.duplicate.id)) },
-                    duplicateFrom = screenModel.getSourceOrStub(dialog.duplicate),
                 )
             }
             is BrowseSourceScreenModel.Dialog.RemoveManga -> {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
index a165c635d..5ecb8efda 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
@@ -48,7 +48,6 @@ import eu.kanade.tachiyomi.data.track.EnhancedTrackService
 import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.source.CatalogueSource
-import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.online.MetadataSource
@@ -366,10 +365,6 @@ open class BrowseSourceScreenModel(
         }
     }
 
-    fun getSourceOrStub(manga: Manga): Source {
-        return sourceManager.getOrStub(manga.source)
-    }
-
     fun addFavorite(manga: Manga) {
         coroutineScope.launch {
             val categories = getCategories()
@@ -439,7 +434,7 @@ open class BrowseSourceScreenModel(
     }
 
     suspend fun getDuplicateLibraryManga(manga: Manga): Manga? {
-        return getDuplicateLibraryManga.await(manga.title, manga.source)
+        return getDuplicateLibraryManga.await(manga.title)
     }
 
     fun moveMangaToCategories(manga: Manga, vararg categories: Category) {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt
index 0c5a764c2..9412abf2e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt
@@ -230,7 +230,6 @@ class MangaScreen(
                 onDismissRequest = onDismissRequest,
                 onConfirm = { screenModel.toggleFavorite(onRemoved = {}, checkDuplicate = false) },
                 onOpenManga = { navigator.push(MangaScreen(dialog.duplicate.id)) },
-                duplicateFrom = screenModel.getSourceOrStub(dialog.duplicate),
             )
             MangaInfoScreenModel.Dialog.SettingsSheet -> ChapterSettingsDialog(
                 onDismissRequest = onDismissRequest,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
index 709ebf797..eacd0049e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
@@ -128,11 +128,11 @@ class MangaInfoScreenModel(
     private val libraryPreferences: LibraryPreferences = Injekt.get(),
     private val uiPreferences: UiPreferences = Injekt.get(),
     private val trackManager: TrackManager = Injekt.get(),
-    private val sourceManager: SourceManager = Injekt.get(),
     private val downloadManager: DownloadManager = Injekt.get(),
     private val downloadCache: DownloadCache = Injekt.get(),
     private val getMangaAndChapters: GetMangaWithChapters = Injekt.get(),
     // SY -->
+    private val sourceManager: SourceManager = Injekt.get(),
     private val readerPreferences: ReaderPreferences = Injekt.get(),
     private val getManga: GetManga = Injekt.get(),
     private val setMangaFilteredScanlators: SetMangaFilteredScanlators = Injekt.get(),
@@ -701,7 +701,7 @@ class MangaInfoScreenModel(
                 // Add to library
                 // First, check if duplicate exists if callback is provided
                 if (checkDuplicate) {
-                    val duplicate = getDuplicateLibraryManga.await(manga.title, manga.source)
+                    val duplicate = getDuplicateLibraryManga.await(manga.title)
 
                     if (duplicate != null) {
                         mutableState.update { state ->
@@ -1465,10 +1465,6 @@ class MangaInfoScreenModel(
 
     // Track sheet - end
 
-    fun getSourceOrStub(manga: Manga): Source {
-        return sourceManager.getOrStub(manga.source)
-    }
-
     sealed class Dialog {
         data class ChangeCategory(val manga: Manga, val initialSelection: List<CheckboxState<Category>>) : Dialog()
         data class DeleteChapters(val chapters: List<Chapter>) : Dialog()
diff --git a/app/src/main/java/exh/md/follows/MangaDexFollowsScreen.kt b/app/src/main/java/exh/md/follows/MangaDexFollowsScreen.kt
index efe177ef9..feb195144 100644
--- a/app/src/main/java/exh/md/follows/MangaDexFollowsScreen.kt
+++ b/app/src/main/java/exh/md/follows/MangaDexFollowsScreen.kt
@@ -97,7 +97,6 @@ class MangaDexFollowsScreen(private val sourceId: Long) : Screen {
                     onDismissRequest = onDismissRequest,
                     onConfirm = { screenModel.addFavorite(dialog.manga) },
                     onOpenManga = { navigator.push(MangaScreen(dialog.duplicate.id)) },
-                    duplicateFrom = screenModel.getSourceOrStub(dialog.duplicate),
                 )
             }
             is BrowseSourceScreenModel.Dialog.RemoveManga -> {
diff --git a/app/src/main/sqldelight/data/mangas.sq b/app/src/main/sqldelight/data/mangas.sq
index 52ef769d2..e78e5b1da 100644
--- a/app/src/main/sqldelight/data/mangas.sq
+++ b/app/src/main/sqldelight/data/mangas.sq
@@ -71,7 +71,6 @@ SELECT *
 FROM mangas
 WHERE favorite = 1
 AND LOWER(title) = :title
-AND source != :source
 LIMIT 1;
 
 resetViewerFlags:
diff --git a/i18n/src/main/res/values/strings.xml b/i18n/src/main/res/values/strings.xml
index e00f19b03..89ebdeded 100755
--- a/i18n/src/main/res/values/strings.xml
+++ b/i18n/src/main/res/values/strings.xml
@@ -626,7 +626,7 @@
     <!-- missing confirm menu after Compose rewrite #7901 -->
     <string name="remove_from_library">Remove from library</string>
     <string name="unknown_title">Unknown title</string>
-    <string name="confirm_manga_add_duplicate">You have an entry in your library with the same name but from a different source (%1$s).\n\nDo you still wish to continue?</string>
+    <string name="confirm_add_duplicate_manga">You have an entry in your library with the same name.\n\nDo you still wish to continue?</string>
     <string name="manga_added_library">Added to library</string>
     <string name="manga_removed_library">Removed from library</string>
     <string name="manga_info_expand">More</string>