diff --git a/build.gradle b/build.gradle
index 08a241a411..af33d38aa0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -83,8 +83,6 @@ buildscript {
 
         // JMH plugins
         classpath "com.github.jengelman.gradle.plugins:shadow:5.1.0"
-        classpath "me.champeau.gradle:jmh-gradle-plugin:0.5.0-rc-2"
-        classpath "net.ltgt.gradle:gradle-apt-plugin:0.21"
     }
 }
 
diff --git a/settings.gradle b/settings.gradle
index 759628f134..2f0e661b4c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -2,6 +2,13 @@
  * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
+pluginManagement {
+    plugins {
+        id "net.ltgt.apt" version "0.21"
+        id "me.champeau.gradle.jmh" version "0.5.0-rc-2"
+    }
+}
+
 rootProject.name = 'kotlinx.coroutines'
 enableFeaturePreview('GRADLE_METADATA')