diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 028657a59..95ce1514d 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -170,7 +170,6 @@ dependencies {
     implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.0.0")
     implementation("androidx.preference:preference:1.1.1")
     implementation("com.jakewharton.timber:timber:4.7.1")
-    implementation("com.jakewharton:process-phoenix:2.0.0")
     implementation("com.google.android.apps.dashclock:dashclock-api:2.0.0")
     implementation("com.twofortyfouram:android-plugin-api-for-locale:1.0.2") {
         isTransitive = false
diff --git a/app/licenses.yml b/app/licenses.yml
index 5507f16ab..b93153ce1 100644
--- a/app/licenses.yml
+++ b/app/licenses.yml
@@ -547,12 +547,6 @@
   license: The Apache Software License, Version 2.0
   licenseUrl: http://www.apache.org/licenses/LICENSE-2.0.txt
   url: https://github.com/JakeWharton/butterknife/
-- artifact: com.jakewharton:process-phoenix:+
-  name: Process Phoenix
-  copyrightHolder: Jake Wharton
-  license: The Apache Software License, Version 2.0
-  licenseUrl: http://www.apache.org/licenses/LICENSE-2.0.txt
-  url: https://github.com/JakeWharton/ProcessPhoenix/
 - artifact: io.grpc:grpc-context:+
   name: io.grpc:grpc-context
   copyrightHolder: The gRPC Authors
diff --git a/app/src/main/assets/licenses.json b/app/src/main/assets/licenses.json
index 27dc2407e..123e7a3d5 100644
--- a/app/src/main/assets/licenses.json
+++ b/app/src/main/assets/licenses.json
@@ -1284,20 +1284,6 @@
       "url": "https://github.com/JakeWharton/butterknife/",
       "libraryName": "ButterKnife Runtime"
     },
-    {
-      "artifactId": {
-        "name": "process-phoenix",
-        "group": "com.jakewharton",
-        "version": "+"
-      },
-      "copyrightHolder": "Jake Wharton",
-      "copyrightStatement": "Copyright © Jake Wharton. All rights reserved.",
-      "license": "The Apache Software License, Version 2.0",
-      "licenseUrl": "http://www.apache.org/licenses/LICENSE-2.0.txt",
-      "normalizedLicense": "apache2",
-      "url": "https://github.com/JakeWharton/ProcessPhoenix/",
-      "libraryName": "Process Phoenix"
-    },
     {
       "artifactId": {
         "name": "grpc-context",
diff --git a/app/src/main/java/org/tasks/Tasks.kt b/app/src/main/java/org/tasks/Tasks.kt
index ebf70d89a..579df22d1 100644
--- a/app/src/main/java/org/tasks/Tasks.kt
+++ b/app/src/main/java/org/tasks/Tasks.kt
@@ -6,7 +6,6 @@ import android.content.Intent
 import android.util.Log
 import androidx.core.app.JobIntentService
 import androidx.work.Configuration
-import com.jakewharton.processphoenix.ProcessPhoenix
 import com.todoroo.astrid.service.Upgrader
 import dagger.Lazy
 import io.reactivex.Completable
@@ -45,9 +44,6 @@ class Tasks : InjectingApplication(), Configuration.Provider {
     
     override fun onCreate() {
         super.onCreate()
-        if (ProcessPhoenix.isPhoenixProcess(this)) {
-            return
-        }
         buildSetup.setup()
         upgrade()
         preferences.isSyncOngoing = false
diff --git a/app/src/main/java/org/tasks/injection/InjectingPreferenceFragment.kt b/app/src/main/java/org/tasks/injection/InjectingPreferenceFragment.kt
index c8b2c0598..ceeffffb6 100644
--- a/app/src/main/java/org/tasks/injection/InjectingPreferenceFragment.kt
+++ b/app/src/main/java/org/tasks/injection/InjectingPreferenceFragment.kt
@@ -1,16 +1,12 @@
 package org.tasks.injection
 
 import android.app.Activity
-import android.content.Intent
 import android.os.Bundle
 import androidx.annotation.StringRes
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceGroup
 import androidx.preference.PreferenceScreen
-import com.jakewharton.processphoenix.ProcessPhoenix
-import com.todoroo.astrid.activity.MainActivity
-import com.todoroo.astrid.api.Filter
 import org.tasks.R
 import org.tasks.dialogs.DialogBuilder
 import org.tasks.preferences.Device
@@ -68,9 +64,7 @@ abstract class InjectingPreferenceFragment : PreferenceFragmentCompat() {
     }
 
     protected fun restart() {
-        val nextIntent = Intent(context, MainActivity::class.java)
-        nextIntent.putExtra(MainActivity.OPEN_FILTER, null as Filter?)
-        ProcessPhoenix.triggerRebirth(context, nextIntent)
+        kotlin.system.exitProcess(0)
     }
 
     protected fun tintColorPreference(resId: Int, tint: Int) {
diff --git a/app/src/main/java/org/tasks/preferences/fragments/Advanced.kt b/app/src/main/java/org/tasks/preferences/fragments/Advanced.kt
index 136efc24f..92c137c73 100644
--- a/app/src/main/java/org/tasks/preferences/fragments/Advanced.kt
+++ b/app/src/main/java/org/tasks/preferences/fragments/Advanced.kt
@@ -8,7 +8,6 @@ import androidx.preference.Preference
 import androidx.preference.SwitchPreferenceCompat
 import com.todoroo.astrid.dao.Database
 import com.todoroo.astrid.dao.TaskDao
-import com.todoroo.astrid.service.TaskDeleter
 import io.reactivex.Single
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
@@ -28,7 +27,6 @@ import org.tasks.scheduling.CalendarNotificationIntentService
 import org.tasks.ui.Toaster
 import java.util.concurrent.Callable
 import javax.inject.Inject
-import kotlin.system.exitProcess
 
 private const val REQUEST_CODE_FILES_DIR = 10000