// android/build.gradle (Project-level Gradle file) buildscript { ext.kotlin_version = "1.8.10" repositories { google() mavenCentral() } dependencies { // Here is where the 'classpath' declarations go classpath 'com.android.tools.build:gradle:8.1.2' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } // Then your allprojects block can be minimal in newer Gradle versions: allprojects { repositories { google() mavenCentral() } } // If you want to customize build directory paths: rootProject.buildDir = "../build" subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } // This is optional, depends on your workflow: subprojects { project.evaluationDependsOn(":app") } // A custom clean task: tasks.register("clean", Delete) { delete rootProject.buildDir }