diff --git a/app/src/main/java/eu/kanade/domain/source/interactor/GetEnabledSources.kt b/app/src/main/java/eu/kanade/domain/source/interactor/GetEnabledSources.kt
index a595e0c0f..046d5055d 100644
--- a/app/src/main/java/eu/kanade/domain/source/interactor/GetEnabledSources.kt
+++ b/app/src/main/java/eu/kanade/domain/source/interactor/GetEnabledSources.kt
@@ -8,7 +8,7 @@ import tachiyomi.domain.source.model.Pin
 import tachiyomi.domain.source.model.Pins
 import tachiyomi.domain.source.model.Source
 import tachiyomi.domain.source.repository.SourceRepository
-import tachiyomi.source.local.LocalSource
+import tachiyomi.source.local.isLocal
 
 class GetEnabledSources(
     private val repository: SourceRepository,
@@ -24,7 +24,7 @@ class GetEnabledSources(
             repository.getSources(),
         ) { pinnedSourceIds, enabledLanguages, disabledSources, lastUsedSource, sources ->
             sources
-                .filter { it.lang in enabledLanguages || it.id == LocalSource.ID }
+                .filter { it.lang in enabledLanguages || it.isLocal() }
                 .filterNot { it.id.toString() in disabledSources }
                 .sortedWith(compareBy(String.CASE_INSENSITIVE_ORDER) { it.name })
                 .flatMap {
diff --git a/app/src/main/java/eu/kanade/domain/source/interactor/GetSourcesWithFavoriteCount.kt b/app/src/main/java/eu/kanade/domain/source/interactor/GetSourcesWithFavoriteCount.kt
index 0083f0a6c..8ca143cc1 100644
--- a/app/src/main/java/eu/kanade/domain/source/interactor/GetSourcesWithFavoriteCount.kt
+++ b/app/src/main/java/eu/kanade/domain/source/interactor/GetSourcesWithFavoriteCount.kt
@@ -5,7 +5,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
 import tachiyomi.domain.source.model.Source
 import tachiyomi.domain.source.repository.SourceRepository
-import tachiyomi.source.local.LocalSource
+import tachiyomi.source.local.isLocal
 import java.text.Collator
 import java.util.Collections
 import java.util.Locale
@@ -22,7 +22,7 @@ class GetSourcesWithFavoriteCount(
             repository.getSourcesWithFavoriteCount(),
         ) { direction, mode, list ->
             list
-                .filterNot { it.first.id == LocalSource.ID }
+                .filterNot { it.first.isLocal() }
                 .sortedWith(sortFn(direction, mode))
         }
     }
diff --git a/app/src/main/java/eu/kanade/presentation/browse/SourcesScreen.kt b/app/src/main/java/eu/kanade/presentation/browse/SourcesScreen.kt
index 5c0dd1042..225868293 100644
--- a/app/src/main/java/eu/kanade/presentation/browse/SourcesScreen.kt
+++ b/app/src/main/java/eu/kanade/presentation/browse/SourcesScreen.kt
@@ -35,7 +35,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.screens.LoadingScreen
 import tachiyomi.presentation.core.theme.header
 import tachiyomi.presentation.core.util.plus
-import tachiyomi.source.local.LocalSource
+import tachiyomi.source.local.isLocal
 
 @Composable
 fun SourcesScreen(
@@ -175,7 +175,7 @@ fun SourceOptionsDialog(
                         .fillMaxWidth()
                         .padding(vertical = 16.dp),
                 )
-                if (source.id != LocalSource.ID) {
+                if (source.isLocal()) {
                     Text(
                         text = stringResource(R.string.action_disable),
                         modifier = Modifier
diff --git a/app/src/main/java/eu/kanade/presentation/browse/components/BrowseIcons.kt b/app/src/main/java/eu/kanade/presentation/browse/components/BrowseIcons.kt
index 035656f60..08cb517e5 100644
--- a/app/src/main/java/eu/kanade/presentation/browse/components/BrowseIcons.kt
+++ b/app/src/main/java/eu/kanade/presentation/browse/components/BrowseIcons.kt
@@ -33,7 +33,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.extension.model.Extension
 import tachiyomi.core.util.lang.withIOContext
 import tachiyomi.domain.source.model.Source
-import tachiyomi.source.local.LocalSource
+import tachiyomi.source.local.isLocal
 
 private val defaultModifier = Modifier
     .height(40.dp)
@@ -62,7 +62,7 @@ fun SourceIcon(
                 modifier = modifier.then(defaultModifier),
             )
         }
-        source.id == LocalSource.ID -> {
+        source.isLocal() -> {
             Image(
                 painter = painterResource(R.mipmap.ic_local_source),
                 contentDescription = null,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/source/AndroidSourceManager.kt b/app/src/main/java/eu/kanade/tachiyomi/source/AndroidSourceManager.kt
index 26fa9f28e..ade85146b 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/source/AndroidSourceManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/source/AndroidSourceManager.kt
@@ -28,6 +28,7 @@ class AndroidSourceManager(
     private val extensionManager: ExtensionManager,
     private val sourceRepository: SourceDataRepository,
 ) : SourceManager {
+
     private val downloadManager: DownloadManager by injectLazy()
 
     private val scope = CoroutineScope(Job() + Dispatchers.IO)
diff --git a/source-local/src/androidMain/kotlin/tachiyomi/source/local/LocalSource.kt b/source-local/src/androidMain/kotlin/tachiyomi/source/local/LocalSource.kt
index 320caeb8d..7683bf3b7 100644
--- a/source-local/src/androidMain/kotlin/tachiyomi/source/local/LocalSource.kt
+++ b/source-local/src/androidMain/kotlin/tachiyomi/source/local/LocalSource.kt
@@ -38,9 +38,10 @@ import java.io.File
 import java.io.FileInputStream
 import java.io.InputStream
 import java.nio.charset.StandardCharsets
-import java.util.concurrent.TimeUnit
 import java.util.zip.ZipFile
+import kotlin.time.Duration.Companion.days
 import com.github.junrar.Archive as JunrarArchive
+import tachiyomi.domain.source.model.Source as DomainSource
 
 actual class LocalSource(
     private val context: Context,
@@ -348,10 +349,12 @@ actual class LocalSource(
         const val ID = 0L
         const val HELP_URL = "https://tachiyomi.org/help/guides/local-manga/"
 
-        private val LATEST_THRESHOLD = TimeUnit.MILLISECONDS.convert(7, TimeUnit.DAYS)
+        private val LATEST_THRESHOLD = 7.days.inWholeMilliseconds
     }
 }
 
 fun Manga.isLocal(): Boolean = source == LocalSource.ID
 
 fun Source.isLocal(): Boolean = id == LocalSource.ID
+
+fun DomainSource.isLocal(): Boolean = id == LocalSource.ID