diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt
index 01a342859d..fdc844e845 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadManager.kt
@@ -4,6 +4,7 @@ import android.content.Context
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.model.Page
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.asFlow
 import kotlinx.coroutines.flow.drop
@@ -32,6 +33,7 @@ import uy.kohesive.injekt.api.get
  * and retrieved through dependency injection. You can use this class to queue new chapters or query
  * downloaded chapters.
  */
+@DelicateCoroutinesApi
 class DownloadManager(
     private val context: Context,
     private val provider: DownloadProvider = Injekt.get(),
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
index ebf9df65ef..308d7450dd 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
@@ -16,6 +16,7 @@ import eu.kanade.tachiyomi.util.storage.DiskUtil.NOMEDIA_FILE
 import eu.kanade.tachiyomi.util.storage.saveTo
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
@@ -67,6 +68,7 @@ import java.util.Locale
  *
  * Its queue contains the list of chapters to download.
  */
+@DelicateCoroutinesApi
 class Downloader(
     private val context: Context,
     private val provider: DownloadProvider,
@@ -111,6 +113,7 @@ class Downloader(
     var isPaused: Boolean = false
 
     init {
+        @Suppress("OPT_IN_USAGE")
         launchNow {
             val chapters = async { store.restore() }
             addAllToQueue(chapters.await())
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateNotifier.kt b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateNotifier.kt
index f7d6c5dbc0..f0be940749 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateNotifier.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateNotifier.kt
@@ -28,6 +28,7 @@ import eu.kanade.tachiyomi.util.system.cancelNotification
 import eu.kanade.tachiyomi.util.system.getBitmapOrNull
 import eu.kanade.tachiyomi.util.system.notificationBuilder
 import eu.kanade.tachiyomi.util.system.notify
+import kotlinx.coroutines.DelicateCoroutinesApi
 import tachiyomi.core.common.Constants
 import tachiyomi.core.common.i18n.pluralStringResource
 import tachiyomi.core.common.i18n.stringResource
@@ -42,6 +43,7 @@ import uy.kohesive.injekt.api.get
 import java.math.RoundingMode
 import java.text.NumberFormat
 
+@DelicateCoroutinesApi
 class LibraryUpdateNotifier(
     private val context: Context,
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt b/app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt
index de9e55803d..894fad1773 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt
@@ -17,6 +17,7 @@ import eu.kanade.tachiyomi.util.system.getParcelableExtraCompat
 import eu.kanade.tachiyomi.util.system.notificationManager
 import eu.kanade.tachiyomi.util.system.toShareIntent
 import eu.kanade.tachiyomi.util.system.toast
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.runBlocking
 import tachiyomi.core.common.Constants
 import tachiyomi.core.common.util.lang.launchIO
@@ -39,6 +40,7 @@ import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
  * Pending Broadcasts should be made from here.
  * NOTE: Use local broadcasts if possible.
  */
+@DelicateCoroutinesApi
 class NotificationReceiver : BroadcastReceiver() {
 
     private val getManga: GetManga by injectLazy()
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/Bangumi.kt b/app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/Bangumi.kt
index b8e7d2acc0..d6f555068e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/Bangumi.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/Bangumi.kt
@@ -77,7 +77,7 @@ class Bangumi(id: Long) : BaseTracker(id, "Bangumi") {
     override suspend fun refresh(track: Track): Track {
         val remoteStatusTrack = api.statusLibManga(track)
         track.copyPersonalFrom(remoteStatusTrack!!)
-        api.findLibManga(track)?.let { remoteTrack ->
+        api.findLibManga(track).let { remoteTrack ->
             track.total_chapters = remoteTrack.total_chapters
         }
         return track
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt
index 37ac84e44c..4bc4afb764 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt
@@ -25,7 +25,7 @@ class ExtensionInstallActivity : Activity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val installIntent = Intent(Intent.ACTION_INSTALL_PACKAGE)
+        @Suppress("DEPRECATION") val installIntent = Intent(Intent.ACTION_INSTALL_PACKAGE)
             .setDataAndType(intent.data, intent.type)
             .putExtra(Intent.EXTRA_RETURN_RESULT, true)
             .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
index dd0f391c37..97aec6f913 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
@@ -77,6 +77,7 @@ import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.isNavigationBarNeedsScrim
 import eu.kanade.tachiyomi.util.system.openInBrowser
 import eu.kanade.tachiyomi.util.view.setComposeContent
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.callbackFlow
 import kotlinx.coroutines.flow.collectLatest
@@ -99,6 +100,7 @@ import tachiyomi.presentation.core.util.collectAsState
 import uy.kohesive.injekt.injectLazy
 import androidx.compose.ui.graphics.Color.Companion as ComposeColor
 
+@DelicateCoroutinesApi
 class MainActivity : BaseActivity() {
 
     private val libraryPreferences: LibraryPreferences by injectLazy()
@@ -142,6 +144,7 @@ class MainActivity : BaseActivity() {
             val indexing by downloadCache.isInitializing.collectAsState()
 
             // Set status bar color considering the top app state banner
+            @Suppress("DEPRECATION")
             val systemUiController = rememberSystemUiController()
             val isSystemInDarkTheme = isSystemInDarkTheme()
             val statusBarBackgroundColor = when {
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
index 14c27bf957..04118b6243 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
@@ -8,6 +8,7 @@ import eu.kanade.tachiyomi.ui.reader.model.ReaderChapter
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.cancel
@@ -26,6 +27,7 @@ import kotlin.math.min
 /**
  * Loader used to load chapters from an online source.
  */
+@DelicateCoroutinesApi
 internal class HttpPageLoader(
     private val chapter: ReaderChapter,
     private val source: HttpSource,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonLayoutManager.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonLayoutManager.kt
index 852cd76e12..336539a602 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonLayoutManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonLayoutManager.kt
@@ -27,6 +27,7 @@ class WebtoonLayoutManager(context: Context) : LinearLayoutManager(context) {
     /**
      * Returns the custom extra layout space.
      */
+    @Deprecated("Deprecated in Java")
     override fun getExtraLayoutSpace(state: RecyclerView.State): Int {
         return extraLayoutSpace
     }