diff --git a/app/src/main/java/com/github/libretube/AddtoPlaylistDialog.kt b/app/src/main/java/com/github/libretube/AddtoPlaylistDialog.kt
index 8358525ea..2e1ad5499 100644
--- a/app/src/main/java/com/github/libretube/AddtoPlaylistDialog.kt
+++ b/app/src/main/java/com/github/libretube/AddtoPlaylistDialog.kt
@@ -7,7 +7,6 @@ import android.util.Log
 import android.util.TypedValue
 import android.view.View
 import android.widget.*
-import androidx.appcompat.app.AlertDialog
 import androidx.core.text.HtmlCompat
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
diff --git a/app/src/main/java/com/github/libretube/DownloadDialog.kt b/app/src/main/java/com/github/libretube/DownloadDialog.kt
index fffbb7f4e..18c693f6b 100644
--- a/app/src/main/java/com/github/libretube/DownloadDialog.kt
+++ b/app/src/main/java/com/github/libretube/DownloadDialog.kt
@@ -7,7 +7,6 @@ import android.util.Log
 import android.util.TypedValue
 import android.view.View
 import android.widget.*
-import androidx.appcompat.app.AlertDialog
 import androidx.core.text.HtmlCompat
 import androidx.fragment.app.DialogFragment
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
diff --git a/app/src/main/java/com/github/libretube/LoginDialog.kt b/app/src/main/java/com/github/libretube/LoginDialog.kt
index 0cf6b3db7..e4bea2cba 100644
--- a/app/src/main/java/com/github/libretube/LoginDialog.kt
+++ b/app/src/main/java/com/github/libretube/LoginDialog.kt
@@ -10,16 +10,13 @@ import android.widget.Button
 import android.widget.EditText
 import android.widget.TextView
 import android.widget.Toast
-import androidx.appcompat.app.AlertDialog
 import androidx.core.text.HtmlCompat
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.lifecycleScope
 import com.github.libretube.obj.Login
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import org.w3c.dom.Text
 import retrofit2.HttpException
 import java.io.IOException
-import java.lang.Exception
 
 class LoginDialog : DialogFragment() {
     private val TAG = "LoginDialog"
diff --git a/app/src/main/java/com/github/libretube/PlayerFragment.kt b/app/src/main/java/com/github/libretube/PlayerFragment.kt
index a34872143..a1c218dda 100644
--- a/app/src/main/java/com/github/libretube/PlayerFragment.kt
+++ b/app/src/main/java/com/github/libretube/PlayerFragment.kt
@@ -20,7 +20,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.*
-import androidx.appcompat.app.AlertDialog
 import androidx.constraintlayout.motion.widget.MotionLayout
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.app.ActivityCompat
@@ -59,12 +58,12 @@ import com.google.android.exoplayer2.util.RepeatModeUtil
 import com.google.android.material.button.MaterialButton
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.squareup.picasso.Picasso
+import org.chromium.net.CronetEngine
+import retrofit2.HttpException
 import java.io.IOException
 import java.net.URLEncoder
 import java.util.concurrent.Executors
 import kotlin.math.abs
-import org.chromium.net.CronetEngine
-import retrofit2.HttpException
 
 var isFullScreen = false
 
diff --git a/app/src/main/java/com/github/libretube/SearchFragment.kt b/app/src/main/java/com/github/libretube/SearchFragment.kt
index 2ae30fd63..9db4e0d82 100644
--- a/app/src/main/java/com/github/libretube/SearchFragment.kt
+++ b/app/src/main/java/com/github/libretube/SearchFragment.kt
@@ -12,9 +12,10 @@ import android.view.ViewGroup
 import android.view.WindowManager
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
-import android.widget.*
+import android.widget.ArrayAdapter
+import android.widget.AutoCompleteTextView
+import android.widget.ImageView
 import android.widget.TextView.*
-import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.PreferenceManager
@@ -23,12 +24,12 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.adapters.SearchAdapter
 import com.github.libretube.adapters.SearchHistoryAdapter
-import java.io.IOException
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import retrofit2.HttpException
+import java.io.IOException
 
 class SearchFragment : Fragment() {
     private val TAG = "SearchFragment"
diff --git a/app/src/main/java/com/github/libretube/SettingsActivity.kt b/app/src/main/java/com/github/libretube/SettingsActivity.kt
index ef81ffde2..24d621647 100644
--- a/app/src/main/java/com/github/libretube/SettingsActivity.kt
+++ b/app/src/main/java/com/github/libretube/SettingsActivity.kt
@@ -1,7 +1,6 @@
 package com.github.libretube
 
 import android.Manifest
-import android.app.AlertDialog
 import android.content.*
 import android.content.pm.PackageManager
 import android.net.Uri
@@ -18,20 +17,20 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
-import com.google.android.material.color.DynamicColors
 import androidx.lifecycle.lifecycleScope
 import androidx.preference.ListPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceManager
+import com.google.android.material.color.DynamicColors
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.json.JSONObject
+import org.json.JSONTokener
+import retrofit2.HttpException
 import java.io.IOException
 import java.io.InputStream
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
-import org.json.JSONObject
-import org.json.JSONTokener
-import retrofit2.HttpException
 
 class SettingsActivity :
     AppCompatActivity(),
diff --git a/app/src/main/java/com/github/libretube/adapters/PlaylistsAdapter.kt b/app/src/main/java/com/github/libretube/adapters/PlaylistsAdapter.kt
index 19dcfeb1f..7ac6b366c 100644
--- a/app/src/main/java/com/github/libretube/adapters/PlaylistsAdapter.kt
+++ b/app/src/main/java/com/github/libretube/adapters/PlaylistsAdapter.kt
@@ -8,7 +8,6 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
-import androidx.appcompat.app.AlertDialog
 import androidx.core.os.bundleOf
 import androidx.recyclerview.widget.RecyclerView
 import com.github.libretube.MainActivity
@@ -16,11 +15,12 @@ import com.github.libretube.R
 import com.github.libretube.RetrofitInstance
 import com.github.libretube.obj.PlaylistId
 import com.github.libretube.obj.Playlists
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.squareup.picasso.Picasso
-import java.io.IOException
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import retrofit2.HttpException
+import java.io.IOException
 
 class PlaylistsAdapter(
     private val playlists: MutableList<Playlists>,
@@ -47,7 +47,7 @@ class PlaylistsAdapter(
         Picasso.get().load(playlist.thumbnail).into(thumbnailImage)
         holder.v.findViewById<TextView>(R.id.playlist_title).text = playlist.name
         holder.v.findViewById<ImageView>(R.id.delete_playlist).setOnClickListener {
-            val builder = AlertDialog.Builder(holder.v.context)
+            val builder = MaterialAlertDialogBuilder(holder.v.context)
             builder.setTitle(R.string.deletePlaylist)
             builder.setMessage(R.string.areYouSure)
             builder.setPositiveButton(R.string.yes) { dialog, which ->