diff --git a/app/src/main/java/org/oxycblt/auxio/image/CoverProvider.kt b/app/src/main/java/org/oxycblt/auxio/image/CoverProvider.kt
index 7e709e9de..8e6963267 100644
--- a/app/src/main/java/org/oxycblt/auxio/image/CoverProvider.kt
+++ b/app/src/main/java/org/oxycblt/auxio/image/CoverProvider.kt
@@ -32,8 +32,7 @@ import org.oxycblt.auxio.BuildConfig
 import org.oxycblt.auxio.image.covers.SettingCovers
 import org.oxycblt.musikr.cover.CoverResult
 
-@AndroidEntryPoint
-class CoverProvider @Inject constructor(private val settingCovers: SettingCovers) :
+class CoverProvider() :
     ContentProvider() {
     override fun onCreate(): Boolean = true
 
@@ -43,7 +42,7 @@ class CoverProvider @Inject constructor(private val settingCovers: SettingCovers
         }
         val id = uri.lastPathSegment ?: return null
         return runBlocking {
-            when (val result = settingCovers.immutable(requireNotNull(context)).obtain(id)) {
+            when (val result = SettingCovers.immutable(requireNotNull(context)).obtain(id)) {
                 is CoverResult.Hit -> result.cover.fd()
                 else -> null
             }
diff --git a/app/src/main/java/org/oxycblt/auxio/image/covers/SettingCovers.kt b/app/src/main/java/org/oxycblt/auxio/image/covers/SettingCovers.kt
index 8df5b8c2f..2fa73ba70 100644
--- a/app/src/main/java/org/oxycblt/auxio/image/covers/SettingCovers.kt
+++ b/app/src/main/java/org/oxycblt/auxio/image/covers/SettingCovers.kt
@@ -31,18 +31,18 @@ import org.oxycblt.musikr.cover.FileCover
 import org.oxycblt.musikr.cover.MutableCovers
 
 interface SettingCovers {
-    suspend fun immutable(context: Context): Covers<out FileCover>
-
     suspend fun mutate(context: Context, revision: UUID): MutableCovers<out Cover>
+
+    companion object {
+        fun immutable(context: Context): Covers<out FileCover> =
+            CompatCovers(context, BaseSiloedCovers(context))
+    }
 }
 
 class SettingCoversImpl
 @Inject
 constructor(private val imageSettings: ImageSettings, private val identifier: CoverIdentifier) :
     SettingCovers {
-    override suspend fun immutable(context: Context): Covers<out FileCover> =
-        CompatCovers(context, BaseSiloedCovers(context))
-
     override suspend fun mutate(context: Context, revision: UUID): MutableCovers<out Cover> =
         when (imageSettings.coverMode) {
             CoverMode.OFF -> NullCovers(context)
@@ -54,4 +54,5 @@ constructor(private val imageSettings: ImageSettings, private val identifier: Co
     private suspend fun siloedCovers(context: Context, revision: UUID, with: CoverParams) =
         MutableCompatCovers(
             context, MutableSiloedCovers.from(context, CoverSilo(revision, with), identifier))
+
 }
diff --git a/musikr/src/main/java/org/oxycblt/musikr/Config.kt b/musikr/src/main/java/org/oxycblt/musikr/Config.kt
index 0623076a5..d00b3b052 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/Config.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/Config.kt
@@ -19,6 +19,7 @@
 package org.oxycblt.musikr
 
 import org.oxycblt.musikr.cache.Cache
+import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.MutableCovers
 import org.oxycblt.musikr.playlist.db.StoredPlaylists
 import org.oxycblt.musikr.tag.interpret.Naming
@@ -37,7 +38,7 @@ data class Storage(
      * with the cache for best performance. This will be used during music loading and when
      * retrieving cover information from the library.
      */
-    val storedCovers: MutableCovers,
+    val storedCovers: MutableCovers<out Cover>,
 
     /**
      * A repository of user-created playlists that should also be loaded into the library. This will
diff --git a/musikr/src/main/java/org/oxycblt/musikr/cache/Cache.kt b/musikr/src/main/java/org/oxycblt/musikr/cache/Cache.kt
index 277495d3a..8d8647700 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/cache/Cache.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/cache/Cache.kt
@@ -18,12 +18,14 @@
  
 package org.oxycblt.musikr.cache
 
+import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.Covers
+import org.oxycblt.musikr.cover.FileCover
 import org.oxycblt.musikr.fs.DeviceFile
 import org.oxycblt.musikr.pipeline.RawSong
 
 abstract class Cache {
-    internal abstract suspend fun read(file: DeviceFile, covers: Covers): CacheResult
+    internal abstract suspend fun read(file: DeviceFile, covers: Covers<out Cover>): CacheResult
 
     internal abstract suspend fun write(song: RawSong)
 
diff --git a/musikr/src/main/java/org/oxycblt/musikr/cache/CacheDatabase.kt b/musikr/src/main/java/org/oxycblt/musikr/cache/CacheDatabase.kt
index 2e70f2721..c332946a7 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/cache/CacheDatabase.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/cache/CacheDatabase.kt
@@ -31,6 +31,7 @@ import androidx.room.RoomDatabase
 import androidx.room.Transaction
 import androidx.room.TypeConverter
 import androidx.room.TypeConverters
+import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.CoverResult
 import org.oxycblt.musikr.cover.Covers
 import org.oxycblt.musikr.fs.DeviceFile
@@ -118,13 +119,13 @@ internal data class CachedSong(
     val replayGainAlbumAdjustment: Float?,
     val coverId: String?,
 ) {
-    suspend fun intoRawSong(file: DeviceFile, covers: Covers): RawSong? {
+    suspend fun intoRawSong(file: DeviceFile, covers: Covers<out Cover>): RawSong? {
         val cover =
             when (val result = coverId?.let { covers.obtain(it) }) {
                 // We found the cover.
-                is CoverResult.Hit -> result.cover
+                is CoverResult.Hit<out Cover> -> result.cover
                 // We actually didn't find the cover, can't safely convert.
-                is CoverResult.Miss -> return null
+                is CoverResult.Miss<out Cover> -> return null
                 // No cover in the first place, can ignore.
                 null -> null
             }
diff --git a/musikr/src/main/java/org/oxycblt/musikr/cache/StoredCache.kt b/musikr/src/main/java/org/oxycblt/musikr/cache/StoredCache.kt
index 4707ffe3f..848d50063 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/cache/StoredCache.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/cache/StoredCache.kt
@@ -19,7 +19,9 @@
 package org.oxycblt.musikr.cache
 
 import android.content.Context
+import org.oxycblt.musikr.cover.Cover
 import org.oxycblt.musikr.cover.Covers
+import org.oxycblt.musikr.cover.FileCover
 import org.oxycblt.musikr.fs.DeviceFile
 import org.oxycblt.musikr.pipeline.RawSong
 
@@ -53,7 +55,7 @@ private abstract class BaseStoredCache(protected val writeDao: CacheWriteDao) :
 
 private class VisibleStoredCache(private val visibleDao: VisibleCacheDao, writeDao: CacheWriteDao) :
     BaseStoredCache(writeDao) {
-    override suspend fun read(file: DeviceFile, covers: Covers): CacheResult {
+    override suspend fun read(file: DeviceFile, covers: Covers<out Cover>): CacheResult {
         val song = visibleDao.selectSong(file.uri.toString()) ?: return CacheResult.Miss(file, null)
         if (song.modifiedMs != file.modifiedMs) {
             // We *found* this file earlier, but it's out of date.
@@ -77,7 +79,7 @@ private class InvisibleStoredCache(
     private val invisibleCacheDao: InvisibleCacheDao,
     writeDao: CacheWriteDao
 ) : BaseStoredCache(writeDao) {
-    override suspend fun read(file: DeviceFile, covers: Covers) =
+    override suspend fun read(file: DeviceFile, covers: Covers<out Cover>) =
         CacheResult.Miss(file, invisibleCacheDao.selectAddedMs(file.uri.toString()))
 
     class Factory(private val cacheDatabase: CacheDatabase) : Cache.Factory() {
diff --git a/musikr/src/main/java/org/oxycblt/musikr/cover/FileCovers.kt b/musikr/src/main/java/org/oxycblt/musikr/cover/FileCovers.kt
index 6a38f9946..f4d93c3ca 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/cover/FileCovers.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/cover/FileCovers.kt
@@ -25,7 +25,7 @@ import org.oxycblt.musikr.fs.app.AppFiles
 import org.oxycblt.musikr.metadata.Metadata
 
 open class FileCovers(private val appFiles: AppFiles, private val coverFormat: CoverFormat) :
-    Covers {
+    Covers<FileCover> {
     override suspend fun obtain(id: String): CoverResult<FileCover> {
         val file = appFiles.find(getFileName(id))
         return if (file != null) {
@@ -42,7 +42,7 @@ class MutableFileCovers(
     private val appFiles: AppFiles,
     private val coverFormat: CoverFormat,
     private val coverIdentifier: CoverIdentifier
-) : FileCovers(appFiles, coverFormat), MutableCovers {
+) : FileCovers(appFiles, coverFormat), MutableCovers<FileCover> {
     override suspend fun create(file: DeviceFile, metadata: Metadata): CoverResult<FileCover> {
         val data = metadata.cover ?: return CoverResult.Miss()
         val id = coverIdentifier.identify(data)
diff --git a/musikr/src/main/java/org/oxycblt/musikr/pipeline/ExtractStep.kt b/musikr/src/main/java/org/oxycblt/musikr/pipeline/ExtractStep.kt
index f14eb9f0e..d47ed5e9d 100644
--- a/musikr/src/main/java/org/oxycblt/musikr/pipeline/ExtractStep.kt
+++ b/musikr/src/main/java/org/oxycblt/musikr/pipeline/ExtractStep.kt
@@ -63,7 +63,7 @@ private class ExtractStepImpl(
     private val metadataExtractor: MetadataExtractor,
     private val tagParser: TagParser,
     private val cacheFactory: Cache.Factory,
-    private val covers: MutableCovers
+    private val covers: MutableCovers<out Cover>
 ) : ExtractStep {
     @OptIn(ExperimentalCoroutinesApi::class)
     override fun extract(nodes: Flow<ExploreNode>): Flow<ExtractedMusic> {
@@ -126,7 +126,7 @@ private class ExtractStepImpl(
                                             val cover =
                                                 when (val result =
                                                     covers.create(f, extractedMetadata)) {
-                                                    is CoverResult.Hit -> result.cover
+                                                    is CoverResult.Hit<Cover> -> result.cover
                                                     else -> null
                                                 }
                                             val rawSong =