diff --git a/gradle/android.gradle b/gradle/android.gradle
deleted file mode 100644
index 001c42409..000000000
--- a/gradle/android.gradle
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- *  https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-apply plugin: "com.android.library"
-
-android {
-    dexOptions{
-        javaMaxHeapSize "4g"
-    }
-    compileSdkVersion(29)
-    defaultConfig {
-        minSdkVersion(15)
-    }
-}
\ No newline at end of file
diff --git a/gradle/api-validation.gradle b/gradle/api-validation.gradle
deleted file mode 100644
index f0836c84f..000000000
--- a/gradle/api-validation.gradle
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- *  https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-apiValidation {
-    ignoredPackages += [
-            "net.mamoe.mirai.event.internal",
-            "net.mamoe.mirai.utils.internal"
-    ]
-
-    ignoredPackages += [
-            "net.mamoe.mirai.internal.contact",
-            "net.mamoe.mirai.internal.message",
-            "net.mamoe.mirai.internal.network",
-            "net.mamoe.mirai.internal.utils"
-    ]
-}
\ No newline at end of file
diff --git a/gradle/mpp.gradle.kts b/gradle/mpp.gradle.kts
deleted file mode 100644
index f1f0b6d22..000000000
--- a/gradle/mpp.gradle.kts
+++ /dev/null
@@ -1,8 +0,0 @@
-/*
- * Copyright 2019-2021 Mamoe Technologies and contributors.
- *
- *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- *  https://github.com/mamoe/mirai/blob/master/LICENSE
- */
diff --git a/gradle/publish.gradle b/gradle/publish.gradle
deleted file mode 100644
index 380ae8395..000000000
--- a/gradle/publish.gradle
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright 2019-2021 Mamoe Technologies and contributors.
- *
- *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
- *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
- *
- *  https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-// 部分源码来自 kotlinx.coroutines
-// Source code from kotlinx.coroutines
-
-tasks.register("ensureBintrayAvailable") {
-    doLast {
-        if (!Bintray.isBintrayAvailable(project)) {
-            throw new IllegalStateException("bintray isn't available. ")
-        }
-    }
-}
-
-try {
-
-// empty xxx-javadoc.jar
-    task javadocJar(type: Jar) {
-        archiveClassifier = 'javadoc'
-    }
-} catch (Exception ignored) {
-
-}
-
-try {
-    task stubJavadoc(type: Jar) {
-        archiveClassifier = 'javadoc'
-    }
-} catch (Exception ignored) {
-
-}
-
-/**
- * Publish the platform JAR and POM so that consumers who depend on this module and can't read Gradle module
- * metadata can still get the platform artifact and transitive dependencies from the POM
- * (see details in https://youtrack.jetbrains.com/issue/KT-39184#focus=streamItem-27-4115233.0-0)
- */
-project.ext.publishPlatformArtifactsInRootModule = { platformPublication ->
-    def platformPomBuilder = null
-
-    platformPublication.pom.withXml { platformPomBuilder = asString() }
-
-    publishing.publications.kotlinMultiplatform {
-        platformPublication.artifacts.forEach {
-            println("Adding artiface to root: $it")
-            artifact(it)
-        }
-
-        pom.withXml {
-            def pomStringBuilder = asString()
-            pomStringBuilder.setLength(0)
-            // The platform POM needs its artifact ID replaced with the artifact ID of the root module:
-            def platformPomString = platformPomBuilder.toString()
-            platformPomString.eachLine { line ->
-                if (!line.contains("<!--")) { // Remove the Gradle module metadata marker as it will be added anew
-                    pomStringBuilder.append(line.replace(platformPublication.artifactId, artifactId))
-                    pomStringBuilder.append("\n")
-                }
-            }
-        }
-    }
-
-    tasks.matching { it.name == "generatePomFileForKotlinMultiplatformPublication" }.configureEach {
-        dependsOn(tasks["generatePomFileFor${platformPublication.name.capitalize()}Publication"])
-    }
-}
-
-def isKotlin137x = false
-
-afterEvaluate {
-
-    publishing {
-        def variantName = "${project.name}"
-
-        // Rename artifacts for backward compatibility
-        publications.all {
-            // add empty javadocs
-            if (it.name != "kotlinMultiplatform") {
-                it.artifact(javadocJar)
-            }
-
-            // Rename MPP artifacts for backward compatibility
-            def type = it.name
-            switch (type) {
-                case 'kotlinMultiplatform':
-                    // With Kotlin 1.4 & HMPP, the root module should have no suffix in the ID, but for compatibility with
-                    // the consumers who can't read Gradle module metadata, we publish the JVM artifacts in it, too
-                    it.artifactId = isKotlin137x ? "$project.name-native" : project.name
-                    if (!isKotlin137x) {
-                        publishPlatformArtifactsInRootModule(publications["jvm"])
-                    }
-                    break
-                case 'metadata':
-                    // As the old -common dependencies will fail to resolve with Gradle module metadata, rename the module
-                    // to '*-metadata' so that the resolution failure are more clear
-                    it.artifactId = isKotlin137x ? "$project.name-common" : "$project.name-metadata"
-                    break
-                case 'jvm':
-                    it.artifactId = isKotlin137x ? project.name : "$project.name-jvm"
-                    break
-                case 'js':
-                case 'native':
-                    it.artifactId = "$project.name-$type"
-                    break
-            }
-            // Hierarchical project structures are not fully supported in 1.3.7x MPP
-            if (isKotlin137x) {
-                // disable metadata everywhere, but in native and js modules
-                if (type == 'maven' || type == 'metadata' || type == 'jvm') {
-                    moduleDescriptorGenerator = null
-                }
-            }
-
-        }
-
-        if (isKotlin137x) {
-            disableMetadataPublication()
-        }
-    }
-}
-
-tasks.matching { it.name == "generatePomFileForKotlinMultiplatformPublication" }.configureEach {
-    dependsOn(tasks["generatePomFileForJvmPublication"])
-}
-
-
-if (Bintray.isBintrayAvailable(project)) {
-    project.configureBintray()
-}
-
-/*
-task bintrayUpload(dependsOn: publish)
-
-// This is required for K/N publishing
-bintrayUpload.dependsOn publishToMavenLocal
-
-
-bintrayUpload.dependsOn generatePomFileForKotlinMultiplatformPublication
- */
\ No newline at end of file