diff --git a/lib/main.dart b/lib/main.dart
index 565500954..1318ec0a0 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -12,7 +12,6 @@ import 'package:photos/ui/home_widget.dart';
 import 'package:sentry/sentry.dart';
 import 'package:super_logging/super_logging.dart';
 import 'package:logging/logging.dart';
-import 'package:worker_manager/worker_manager.dart';
 
 final logger = Logger("main");
 
@@ -26,7 +25,6 @@ void main() async {
 }
 
 void _main() async {
-  await Executor().warmUp();
   await Configuration.instance.init();
   await PhotoSyncManager.instance.init();
   await MemoriesService.instance.init();
diff --git a/lib/utils/crypto_util.dart b/lib/utils/crypto_util.dart
index 3436ee6d7..a0408b8d0 100644
--- a/lib/utils/crypto_util.dart
+++ b/lib/utils/crypto_util.dart
@@ -4,7 +4,7 @@ import 'package:aes_crypt/aes_crypt.dart';
 import 'package:encrypt/encrypt.dart';
 import 'dart:convert';
 
-import 'package:worker_manager/worker_manager.dart';
+import 'package:flutter/foundation.dart' as foundation;
 
 class CryptoUtil {
   static String getBase64EncodedSecureRandomString({int length = 32}) {
@@ -39,8 +39,7 @@ class CryptoUtil {
     args["key"] = key;
     args["source"] = sourcePath;
     args["destination"] = destinationPath;
-
-    return Executor().execute(arg1: args, fun1: runEncryptFileToFile);
+    return foundation.compute(runEncryptFileToFile, args);
   }
 
   static Future<String> encryptDataToFile(
@@ -49,7 +48,7 @@ class CryptoUtil {
     args["key"] = key;
     args["source"] = source;
     args["destination"] = destinationPath;
-    return Executor().execute(arg1: args, fun1: runEncryptDataToFile);
+    return foundation.compute(runEncryptDataToFile, args);
   }
 
   static Future<void> decryptFileToFile(
@@ -58,14 +57,14 @@ class CryptoUtil {
     args["key"] = key;
     args["source"] = sourcePath;
     args["destination"] = destinationPath;
-    return Executor().execute(arg1: args, fun1: runDecryptFileToFile);
+    return foundation.compute(runDecryptFileToFile, args);
   }
 
   static Future<Uint8List> decryptFileToData(String sourcePath, String key) {
     final args = Map<String, String>();
     args["key"] = key;
     args["source"] = sourcePath;
-    return Executor().execute(arg1: args, fun1: runDecryptFileToData);
+    return foundation.compute(runDecryptFileToData, args);
   }
 }
 
diff --git a/pubspec.lock b/pubspec.lock
index 3cd04c44e..c7ba0f7b7 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -700,13 +700,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.4+2"
-  worker_manager:
-    dependency: "direct main"
-    description:
-      name: worker_manager
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.0.0"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 5612b1d75..0cbe8021c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -58,7 +58,6 @@ dependencies:
   progress_dialog: ^1.2.4
   animate_do: ^1.7.2
   flutter_cache_manager: ^1.4.1
-  worker_manager: ^3.0.0
 
 dev_dependencies:
   flutter_test: