diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandler.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandler.kt
index 23370b8f..ea494873 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandler.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandler.kt
@@ -2,7 +2,6 @@ package org.moire.ultrasonic.imageloader
 
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
-import android.os.Build
 import com.squareup.picasso.Picasso.LoadedFrom.DISK
 import com.squareup.picasso.Picasso.LoadedFrom.NETWORK
 import com.squareup.picasso.Request
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/provider/UltrasonicAppWidgetProvider.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/provider/UltrasonicAppWidgetProvider.kt
index 8a941c2e..697d8ecb 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/provider/UltrasonicAppWidgetProvider.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/provider/UltrasonicAppWidgetProvider.kt
@@ -13,7 +13,6 @@ import android.appwidget.AppWidgetProvider
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.os.Bundle
 import android.os.Environment
 import android.view.KeyEvent
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/DownloadService.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/DownloadService.kt
index be8a89bb..94fac688 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/DownloadService.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/DownloadService.kt
@@ -12,7 +12,6 @@ import android.app.Service
 import android.content.Intent
 import android.net.wifi.WifiManager
 import android.os.Binder
-import android.os.Build
 import android.os.Handler
 import android.os.IBinder
 import android.os.Looper
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
index 844511b8..4277d36e 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaLibrarySessionCallback.kt
@@ -7,7 +7,6 @@
 
 package org.moire.ultrasonic.service
 
-import android.os.Build
 import android.os.Bundle
 import androidx.annotation.OptIn
 import androidx.car.app.connection.CarConnection
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/PlaybackService.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/PlaybackService.kt
index 0245b40f..9772dfa2 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/PlaybackService.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/PlaybackService.kt
@@ -11,7 +11,6 @@ import android.app.PendingIntent
 import android.app.PendingIntent.FLAG_IMMUTABLE
 import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.content.Intent
-import android.os.Build
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.TaskStackBuilder
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/FileUtil.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/FileUtil.kt
index 913044f8..1e07ae75 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/FileUtil.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/FileUtil.kt
@@ -8,8 +8,6 @@
 package org.moire.ultrasonic.util
 
 import android.content.Context
-import android.os.Build
-import android.os.Environment
 import android.text.TextUtils
 import android.util.Pair
 import java.io.BufferedWriter
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/LocaleHelper.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/LocaleHelper.kt
index 697ddf85..bf8245cd 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/LocaleHelper.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/LocaleHelper.kt
@@ -10,8 +10,6 @@ package org.moire.ultrasonic.util
 import android.content.Context
 import android.content.ContextWrapper
 import android.content.res.Configuration
-import android.os.Build
-import androidx.annotation.RequiresApi
 import java.util.Locale
 
 /**
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SelectCacheActivityContract.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SelectCacheActivityContract.kt
index dc25245f..4dd17c18 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SelectCacheActivityContract.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/SelectCacheActivityContract.kt
@@ -11,7 +11,6 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import android.os.Build
 import android.provider.DocumentsContract
 import androidx.activity.result.contract.ActivityResultContract
 import org.moire.ultrasonic.fragment.SettingsFragment
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/ShortcutUtil.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/ShortcutUtil.kt
index 3c6a416a..04a4f60a 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/ShortcutUtil.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/ShortcutUtil.kt
@@ -12,8 +12,6 @@ import android.content.Intent
 import android.content.pm.ShortcutInfo
 import android.content.pm.ShortcutManager
 import android.graphics.drawable.Icon
-import android.os.Build
-import androidx.annotation.RequiresApi
 import org.moire.ultrasonic.R
 import org.moire.ultrasonic.activity.NavigationActivity
 
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/Util.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/Util.kt
index 94ba5679..6bba5740 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/Util.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/util/Util.kt
@@ -321,7 +321,7 @@ object Util {
         val network = connManager.activeNetwork
             ?: return false // Nothing connected
         connManager.getNetworkInfo(network)
-            ?: return true  // Better be safe than sorry
+            ?: return true // Better be safe than sorry
         val capabilities = connManager.getNetworkCapabilities(network)
             ?: return true // Better be safe than sorry
         return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)