diff --git a/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt b/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
index abe30eb3c..8370b3f34 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
@@ -47,7 +47,7 @@ class AppModule(val app: Application) : InjektModule {
         addSingletonFactory<SupportSQLiteOpenHelper> {
             val configuration = SupportSQLiteOpenHelper.Configuration.builder(app)
                 .callback(DbOpenCallback())
-                .name(DbOpenCallback.DATABASE_NAME)
+                .name(DbOpenCallback.DATABASE_FILENAME)
                 .noBackupDirectory(false)
                 .build()
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt
index d5cf59403..14905d876 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt
@@ -9,10 +9,7 @@ import logcat.logcat
 class DbOpenCallback : SupportSQLiteOpenHelper.Callback(Database.Schema.version) {
 
     companion object {
-        /**
-         * Name of the database file.
-         */
-        const val DATABASE_NAME = "tachiyomi.db"
+        const val DATABASE_FILENAME = "tachiyomi.db"
     }
 
     override fun onCreate(db: SupportSQLiteDatabase) {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt
index 4609852b9..ff42ff75b 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt
@@ -3,6 +3,5 @@ package eu.kanade.tachiyomi.data.database
 import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
 
 interface DbProvider {
-
     val db: DefaultStorIOSQLite
 }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
index ad9326d58..1744bac69 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
@@ -6,8 +6,6 @@ import eu.kanade.tachiyomi.data.database.DbProvider
 import eu.kanade.tachiyomi.data.database.models.Chapter
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.database.models.MangaChapter
-import eu.kanade.tachiyomi.data.database.resolvers.ChapterBackupPutResolver
-import eu.kanade.tachiyomi.data.database.resolvers.ChapterKnownBackupPutResolver
 import eu.kanade.tachiyomi.data.database.resolvers.ChapterProgressPutResolver
 import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver
 import eu.kanade.tachiyomi.data.database.tables.ChapterTable
@@ -52,17 +50,6 @@ interface ChapterQueries : DbProvider {
         )
         .prepare()
 
-    fun getChapter(url: String) = db.get()
-        .`object`(Chapter::class.java)
-        .withQuery(
-            Query.builder()
-                .table(ChapterTable.TABLE)
-                .where("${ChapterTable.COL_URL} = ?")
-                .whereArgs(url)
-                .build(),
-        )
-        .prepare()
-
     fun getChapter(url: String, mangaId: Long) = db.get()
         .`object`(Chapter::class.java)
         .withQuery(
@@ -102,16 +89,6 @@ interface ChapterQueries : DbProvider {
 
     fun deleteChapters(chapters: List<Chapter>) = db.delete().objects(chapters).prepare()
 
-    fun updateChaptersBackup(chapters: List<Chapter>) = db.put()
-        .objects(chapters)
-        .withPutResolver(ChapterBackupPutResolver())
-        .prepare()
-
-    fun updateKnownChaptersBackup(chapters: List<Chapter>) = db.put()
-        .objects(chapters)
-        .withPutResolver(ChapterKnownBackupPutResolver())
-        .prepare()
-
     fun updateChapterProgress(chapter: Chapter) = db.put()
         .`object`(chapter)
         .withPutResolver(ChapterProgressPutResolver())
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt
deleted file mode 100644
index 7fb01a821..000000000
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package eu.kanade.tachiyomi.data.database.resolvers
-
-import androidx.core.content.contentValuesOf
-import com.pushtorefresh.storio.sqlite.StorIOSQLite
-import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult
-import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
-import eu.kanade.tachiyomi.data.database.inTransactionReturn
-import eu.kanade.tachiyomi.data.database.models.Chapter
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable
-
-class ChapterBackupPutResolver : PutResolver<Chapter>() {
-
-    override fun performPut(db: StorIOSQLite, chapter: Chapter) = db.inTransactionReturn {
-        val updateQuery = mapToUpdateQuery(chapter)
-        val contentValues = mapToContentValues(chapter)
-
-        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
-        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
-    }
-
-    fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
-        .table(ChapterTable.TABLE)
-        .where("${ChapterTable.COL_URL} = ?")
-        .whereArgs(chapter.url)
-        .build()
-
-    fun mapToContentValues(chapter: Chapter) =
-        contentValuesOf(
-            ChapterTable.COL_READ to chapter.read,
-            ChapterTable.COL_BOOKMARK to chapter.bookmark,
-            ChapterTable.COL_LAST_PAGE_READ to chapter.last_page_read,
-        )
-}
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterKnownBackupPutResolver.kt b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterKnownBackupPutResolver.kt
deleted file mode 100644
index da62066c4..000000000
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterKnownBackupPutResolver.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package eu.kanade.tachiyomi.data.database.resolvers
-
-import androidx.core.content.contentValuesOf
-import com.pushtorefresh.storio.sqlite.StorIOSQLite
-import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult
-import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
-import eu.kanade.tachiyomi.data.database.inTransactionReturn
-import eu.kanade.tachiyomi.data.database.models.Chapter
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable
-
-class ChapterKnownBackupPutResolver : PutResolver<Chapter>() {
-
-    override fun performPut(db: StorIOSQLite, chapter: Chapter) = db.inTransactionReturn {
-        val updateQuery = mapToUpdateQuery(chapter)
-        val contentValues = mapToContentValues(chapter)
-
-        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
-        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
-    }
-
-    fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
-        .table(ChapterTable.TABLE)
-        .where("${ChapterTable.COL_ID} = ?")
-        .whereArgs(chapter.id)
-        .build()
-
-    fun mapToContentValues(chapter: Chapter) =
-        contentValuesOf(
-            ChapterTable.COL_READ to chapter.read,
-            ChapterTable.COL_BOOKMARK to chapter.bookmark,
-            ChapterTable.COL_LAST_PAGE_READ to chapter.last_page_read,
-        )
-}