buildscript { ext.kotlin_version = '1.1.51' repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.0.0-rc2' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'com.cookpad.android.licensetools:license-tools-plugin:0.24.0' } } allprojects { repositories { google() jcenter() } } task clean(type: Delete) { delete rootProject.buildDir }