diff --git a/app/src/main/java/io/github/lsposed/manager/ui/activity/base/BaseActivity.java b/app/src/main/java/io/github/lsposed/manager/ui/activity/base/BaseActivity.java
index 6165d731..c25f7ba0 100644
--- a/app/src/main/java/io/github/lsposed/manager/ui/activity/base/BaseActivity.java
+++ b/app/src/main/java/io/github/lsposed/manager/ui/activity/base/BaseActivity.java
@@ -36,7 +36,6 @@ import io.github.lsposed.manager.BuildConfig;
 import io.github.lsposed.manager.Constants;
 import io.github.lsposed.manager.R;
 import io.github.lsposed.manager.util.NavUtil;
-import io.github.lsposed.manager.util.Version;
 import io.github.lsposed.manager.util.theme.ThemeUtil;
 import rikka.core.res.ResourcesKt;
 import rikka.material.app.MaterialActivity;
@@ -56,9 +55,7 @@ public class BaseActivity extends MaterialActivity {
         // make sure the versions are consistent
         String coreVersionStr = Constants.getXposedVersion();
         if (coreVersionStr != null) {
-            Version managerVersion = new Version(BuildConfig.VERSION_NAME);
-            Version coreVersion = new Version(coreVersionStr);
-            if (!managerVersion.equals(coreVersion)) {
+            if (!BuildConfig.VERSION_NAME.equals(coreVersionStr)) {
                 new AlertDialog.Builder(this)
                         .setMessage(R.string.outdated_manager)
                         .setPositiveButton(R.string.ok, (dialog, id) -> {
diff --git a/app/src/main/java/io/github/lsposed/manager/util/Version.java b/app/src/main/java/io/github/lsposed/manager/util/Version.java
deleted file mode 100644
index a83e8fac..00000000
--- a/app/src/main/java/io/github/lsposed/manager/util/Version.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * This file is part of LSPosed.
- *
- * LSPosed is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * LSPosed is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with LSPosed.  If not, see <https://www.gnu.org/licenses/>.
- *
- * Copyright (C) 2020 EdXposed Contributors
- * Copyright (C) 2021 LSPosed Contributors
- */
-
-package io.github.lsposed.manager.util;
-
-// https://stackoverflow.com/a/11024200
-public class Version implements Comparable<Version> {
-
-    private final String version;
-
-    public final String get() {
-        return this.version;
-    }
-
-    public Version(String version) {
-        if (version == null)
-            throw new IllegalArgumentException("Version can not be null");
-        if (!version.matches("v[0-9]+(\\.[0-9]+)*"))
-            throw new IllegalArgumentException("Invalid version format");
-        this.version = version.substring(1); // v
-    }
-
-    @Override
-    public int compareTo(Version that) {
-        if (that == null)
-            return 1;
-        String[] thisParts = this.get().split("\\.");
-        String[] thatParts = that.get().split("\\.");
-        int length = Math.max(thisParts.length, thatParts.length);
-        for (int i = 0; i < length; i++) {
-            int thisPart = i < thisParts.length ?
-                    Integer.parseInt(thisParts[i]) : 0;
-            int thatPart = i < thatParts.length ?
-                    Integer.parseInt(thatParts[i]) : 0;
-            if (thisPart < thatPart)
-                return -1;
-            if (thisPart > thatPart)
-                return 1;
-        }
-        return 0;
-    }
-
-    @Override
-    public boolean equals(Object that) {
-        if (this == that)
-            return true;
-        if (that == null)
-            return false;
-        if (this.getClass() != that.getClass())
-            return false;
-        return this.compareTo((Version) that) == 0;
-    }
-
-}