diff --git a/build/src/org/jetbrains/intellij/build/IdeaCommunityProperties.kt b/build/src/org/jetbrains/intellij/build/IdeaCommunityProperties.kt
index 98043affde84..050d782efd98 100644
--- a/build/src/org/jetbrains/intellij/build/IdeaCommunityProperties.kt
+++ b/build/src/org/jetbrains/intellij/build/IdeaCommunityProperties.kt
@@ -81,6 +81,7 @@ open class IdeaCommunityProperties(private val communityHomeDir: Path) : BaseIde
     buildDocAuthoringAssets = true
 
     qodanaProductProperties = QodanaProductProperties("QDJVMC", "Qodana Community for JVM")
+    enableKotlinPluginK2ByDefault()
   }
 
   override suspend fun copyAdditionalFiles(context: BuildContext, targetDir: Path) {
diff --git a/platform/build-scripts/src/org/jetbrains/intellij/build/BaseIdeaProperties.kt b/platform/build-scripts/src/org/jetbrains/intellij/build/BaseIdeaProperties.kt
index a37c40983306..f826bc23a8d1 100644
--- a/platform/build-scripts/src/org/jetbrains/intellij/build/BaseIdeaProperties.kt
+++ b/platform/build-scripts/src/org/jetbrains/intellij/build/BaseIdeaProperties.kt
@@ -170,4 +170,12 @@ abstract class BaseIdeaProperties : JetBrainsProductProperties() {
     additionalModulesToCompile = persistentListOf("intellij.tools.jps.build.standalone")
     modulesToCompileTests = persistentListOf("intellij.platform.jps.build.tests")
   }
+
+  /**
+   * 🌲
+   * see KTIJ-30761
+   */
+  protected fun enableKotlinPluginK2ByDefault() {
+    additionalVmOptions += "-Didea.kotlin.plugin.use.k2=true"
+  }
 }