diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/utility/Utils.java b/app/src/main/java/com/wbrawner/simplemarkdown/utility/Utils.java
deleted file mode 100644
index 7a9b6be..0000000
--- a/app/src/main/java/com/wbrawner/simplemarkdown/utility/Utils.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.wbrawner.simplemarkdown.utility;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.preference.PreferenceManager;
-
-import androidx.core.content.ContextCompat;
-
-import java.io.Closeable;
-import java.io.IOException;
-
-public class Utils {
-
-    public static final String KEY_AUTOSAVE = "autosave";
-
-    public static boolean isAutosaveEnabled(Context context) {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        return prefs.getBoolean(
-                KEY_AUTOSAVE,
-                true
-        );
-    }
-
-    public static void closeQuietly(Closeable closeable) {
-        if (closeable != null) {
-            try {
-                closeable.close();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-
-    public static boolean canAccessFiles(Context context) {
-        return ContextCompat.checkSelfPermission(
-                context,
-                Manifest.permission.WRITE_EXTERNAL_STORAGE
-        ) == PackageManager.PERMISSION_GRANTED;
-    }
-
-
-    @SuppressWarnings("SameParameterValue")
-    public static Handler createSafeHandler(ErrorHandler errorHandler, String name) {
-        HandlerThread handlerThread = new HandlerThread(name);
-        handlerThread.start();
-        handlerThread.setUncaughtExceptionHandler((t, e) -> {
-            errorHandler.reportException(e);
-            t.interrupt();
-        });
-        return new Handler(handlerThread.getLooper());
-    }
-}
diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/view/activity/MainActivity.kt b/app/src/main/java/com/wbrawner/simplemarkdown/view/activity/MainActivity.kt
index 106933c..753e44d 100644
--- a/app/src/main/java/com/wbrawner/simplemarkdown/view/activity/MainActivity.kt
+++ b/app/src/main/java/com/wbrawner/simplemarkdown/view/activity/MainActivity.kt
@@ -7,6 +7,7 @@ import android.content.pm.PackageManager
 import android.content.res.Configuration
 import android.os.Build
 import android.os.Bundle
+import android.preference.PreferenceManager
 import android.provider.OpenableColumns
 import android.view.Menu
 import android.view.MenuItem
@@ -16,11 +17,11 @@ import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 import com.wbrawner.simplemarkdown.MarkdownApplication
 import com.wbrawner.simplemarkdown.R
 import com.wbrawner.simplemarkdown.presentation.MarkdownPresenter
 import com.wbrawner.simplemarkdown.utility.ErrorHandler
-import com.wbrawner.simplemarkdown.utility.Utils
 import com.wbrawner.simplemarkdown.view.adapter.EditPagerAdapter
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.coroutines.*
@@ -63,7 +64,9 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
 
     override fun onUserLeaveHint() {
         super.onUserLeaveHint()
-        if (shouldAutoSave && presenter.markdown.isNotEmpty() && Utils.isAutosaveEnabled(this)) {
+        val isAutoSaveEnabled = PreferenceManager.getDefaultSharedPreferences(this)
+                .getBoolean(KEY_AUTOSAVE, true)
+        if (shouldAutoSave && presenter.markdown.isNotEmpty() && isAutoSaveEnabled) {
 
             launch {
                 presenter.saveMarkdown("autosave.md", File(filesDir, "autosave.md").outputStream())
@@ -235,8 +238,8 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
     }
 
     private fun requestFileOp(requestType: Int) {
-        if (!Utils.canAccessFiles(this@MainActivity)) {
-            if (Build.VERSION.SDK_INT < 23) return
+        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                != PackageManager.PERMISSION_GRANTED && Build.VERSION.SDK_INT > 22) {
             requestPermissions(
                     arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE),
                     requestType
@@ -291,5 +294,6 @@ class MainActivity : AppCompatActivity(), ActivityCompat.OnRequestPermissionsRes
         const val REQUEST_OPEN_FILE = 1
         const val REQUEST_SAVE_FILE = 2
         const val REQUEST_DARK_MODE = 4
+        const val KEY_AUTOSAVE = "autosave"
     }
 }
diff --git a/app/src/test/java/com/wbrawner/simplemarkdown/UtilsTest.java b/app/src/test/java/com/wbrawner/simplemarkdown/UtilsTest.java
deleted file mode 100644
index 32a48b6..0000000
--- a/app/src/test/java/com/wbrawner/simplemarkdown/UtilsTest.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package com.wbrawner.simplemarkdown;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-
-import com.wbrawner.simplemarkdown.utility.Utils;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-import java.io.File;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-@RunWith(RobolectricTestRunner.class)
-@SuppressWarnings("ResultOfMethodCallIgnored")
-public class UtilsTest {
-    private Context context;
-    private SharedPreferences sharedPreferences;
-    private String rootDir;
-
-    @Before
-    public void setup() {
-        context = RuntimeEnvironment.application.getApplicationContext();
-        sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-        sharedPreferences.edit().clear().apply();
-        rootDir = System.getProperty("java.io.tmpdir") + "/SimpleMarkdown";
-        new File(rootDir).mkdir();
-    }
-
-    @After
-    public void tearDown() {
-        rmdir(new File(rootDir));
-    }
-
-    @Test
-    public void isAutosaveEnabled() throws Exception {
-        assertTrue(Utils.isAutosaveEnabled(context));
-        sharedPreferences.edit().putBoolean(Utils.KEY_AUTOSAVE, false).apply();
-        assertFalse(Utils.isAutosaveEnabled(context));
-    }
-
-    private void rmdir(File dir) {
-        for (File file : dir.listFiles()) {
-            if (file.isFile()) {
-                file.delete();
-            } else {
-                rmdir(file);
-            }
-        }
-
-        dir.delete();
-    }
-}
\ No newline at end of file