diff --git a/buildSrc/src/main/kotlin/ideaExtKotlinDsl.kt b/buildSrc/src/main/kotlin/ideaExtKotlinDsl.kt
new file mode 100644
index 00000000000..3cae391f4c0
--- /dev/null
+++ b/buildSrc/src/main/kotlin/ideaExtKotlinDsl.kt
@@ -0,0 +1,29 @@
+import org.gradle.api.plugins.ExtensionAware
+import org.gradle.kotlin.dsl.configure
+
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+fun org.gradle.plugins.ide.idea.model.IdeaProject.settings(block: org.jetbrains.gradle.ext.ProjectSettings.() -> Unit) =
+    (this@settings as ExtensionAware).extensions.configure(block)
+
+fun org.jetbrains.gradle.ext.ProjectSettings.compiler(block: org.jetbrains.gradle.ext.IdeaCompilerConfiguration.() -> Unit) =
+    (this@compiler as ExtensionAware).extensions.configure(block)
+
+fun org.jetbrains.gradle.ext.ProjectSettings.delegateActions(block: org.jetbrains.gradle.ext.ActionDelegationConfig.() -> Unit) =
+    (this@delegateActions as ExtensionAware).extensions.configure(block)
+
+fun org.jetbrains.gradle.ext.ProjectSettings.runConfigurations(block: org.jetbrains.gradle.ext.DefaultRunConfigurationContainer.() -> Unit) =
+    (this@runConfigurations as ExtensionAware).extensions.configure(block)
+
+inline fun <reified T: org.jetbrains.gradle.ext.RunConfiguration> org.jetbrains.gradle.ext.DefaultRunConfigurationContainer.defaults(noinline block: T.() -> Unit) =
+    defaults(T::class.java, block)
+
+fun org.jetbrains.gradle.ext.DefaultRunConfigurationContainer.junit(name: String, block: org.jetbrains.gradle.ext.JUnit.() -> Unit) =
+    create(name, org.jetbrains.gradle.ext.JUnit::class.java, block)
+
+fun org.jetbrains.gradle.ext.DefaultRunConfigurationContainer.application(name: String, block: org.jetbrains.gradle.ext.Application.() -> Unit) =
+    create(name, org.jetbrains.gradle.ext.Application::class.java, block)
+