diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
index f026b30ff..e7f35ddf2 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
@@ -7,7 +7,7 @@ import kotlinx.serialization.protobuf.ProtoNumber
 data class Backup(
     @ProtoNumber(1) val backupManga: List<BackupManga>,
     @ProtoNumber(2) var backupCategories: List<BackupCategory> = emptyList(),
-    @ProtoNumber(100) var backupBrokenSources: List<BrokenBackupSource> = emptyList(),
+    // @ProtoNumber(100) var backupBrokenSources, legacy source model with non-compliant proto number,
     @ProtoNumber(101) var backupSources: List<BackupSource> = emptyList(),
     @ProtoNumber(104) var backupPreferences: List<BackupPreference> = emptyList(),
     @ProtoNumber(105) var backupSourcePreferences: List<BackupSourcePreferences> = emptyList(),
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupHistory.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupHistory.kt
index 1108a376e..b5a6c616a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupHistory.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupHistory.kt
@@ -18,15 +18,3 @@ data class BackupHistory(
         )
     }
 }
-
-@Deprecated("Replaced with BackupHistory. This is retained for legacy reasons.")
-@Serializable
-data class BrokenBackupHistory(
-    @ProtoNumber(0) var url: String,
-    @ProtoNumber(1) var lastRead: Long,
-    @ProtoNumber(2) var readDuration: Long = 0,
-) {
-    fun toBackupHistory(): BackupHistory {
-        return BackupHistory(url, lastRead, readDuration)
-    }
-}
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupManga.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupManga.kt
index 7b7498398..3bfc1ffcc 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupManga.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupManga.kt
@@ -32,7 +32,7 @@ data class BackupManga(
     // Bump by 100 for values that are not saved/implemented in 1.x but are used in 0.x
     @ProtoNumber(100) var favorite: Boolean = true,
     @ProtoNumber(101) var chapterFlags: Int = 0,
-    @ProtoNumber(102) var brokenHistory: List<BrokenBackupHistory> = emptyList(),
+    // @ProtoNumber(102) var brokenHistory, legacy history model with non-compliant proto number
     @ProtoNumber(103) var viewer_flags: Int? = null,
     @ProtoNumber(104) var history: List<BackupHistory> = emptyList(),
     @ProtoNumber(105) var updateStrategy: UpdateStrategy = UpdateStrategy.ALWAYS_UPDATE,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupSource.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupSource.kt
index bfd2c93bf..92ee2dca9 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupSource.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupSource.kt
@@ -8,11 +8,3 @@ data class BackupSource(
     @ProtoNumber(1) var name: String = "",
     @ProtoNumber(2) var sourceId: Long,
 )
-
-@Serializable
-data class BrokenBackupSource(
-    @ProtoNumber(0) var name: String = "",
-    @ProtoNumber(1) var sourceId: Long,
-) {
-    fun toBackupSource() = BackupSource(name, sourceId)
-}
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/BackupRestorer.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/BackupRestorer.kt
index fec340fa3..43d7c3718 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/BackupRestorer.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/BackupRestorer.kt
@@ -67,7 +67,7 @@ class BackupRestorer(
         val backup = BackupDecoder(context).decode(uri)
 
         // Store source mapping for error messages
-        val backupMaps = backup.backupSources + backup.backupBrokenSources.map { it.toBackupSource() }
+        val backupMaps = backup.backupSources
         sourceMapping = backupMaps.associate { it.sourceId to it.name }
 
         if (options.libraryEntries) {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/MangaRestorer.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/MangaRestorer.kt
index 38d15bad1..213fc4bf7 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/MangaRestorer.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/restore/restorers/MangaRestorer.kt
@@ -71,7 +71,7 @@ class MangaRestorer(
                 chapters = backupManga.chapters,
                 categories = backupManga.categories,
                 backupCategories = backupCategories,
-                history = backupManga.history + backupManga.brokenHistory.map { it.toBackupHistory() },
+                history = backupManga.history,
                 tracks = backupManga.tracking,
                 excludedScanlators = backupManga.excludedScanlators,
             )