diff --git a/build.gradle b/build.gradle
index 65975a7e9..ccabceecc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,9 +47,3 @@ subprojects {
 	apply from: "${rootDir}/gradle/manifest-gen.gradle"
 	apply from: "${rootDir}/gradle/validation.gradle"
 }
-
-task clean(type: Delete) {
-	group 'Build'
-	description 'Deletes the local repositories.'
-	delete 'build'
-}
diff --git a/gradle/bootstrap-setup.gradle b/gradle/bootstrap-setup.gradle
index 85a79b5f3..985953229 100644
--- a/gradle/bootstrap-setup.gradle
+++ b/gradle/bootstrap-setup.gradle
@@ -1,3 +1,4 @@
+apply plugin: "org.gradle.java-base"
 /*
  * Root project configuration that is reused by subprojects to apply the Xtend compiler.
  */
@@ -31,4 +32,5 @@ dependencies {
 	xtendCompiler "org.eclipse.xtend:org.eclipse.xtend.core:${versions.xtext_bootstrap}"
 	xtendCompiler "org.eclipse.xtext:org.eclipse.xtext.smap:${versions.xtext_bootstrap}"
 	xtendCompiler "org.xtext:xtext-gradle-builder:$versions.xtext_gradle_plugin"
+	xtendCompiler platform("org.eclipse.xtext:xtext-dev-bom:${versions.xtext_bootstrap}")
 }