diff --git a/platform/lang-api/src/com/intellij/execution/configurations/UnknownRunConfiguration.java b/platform/lang-api/src/com/intellij/execution/configurations/UnknownRunConfiguration.java
index dd7db6060f45..5bd37b735393 100644
--- a/platform/lang-api/src/com/intellij/execution/configurations/UnknownRunConfiguration.java
+++ b/platform/lang-api/src/com/intellij/execution/configurations/UnknownRunConfiguration.java
@@ -20,7 +20,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 /**
  * @author spleaner
  */
-public /*not final for Rider*/ class UnknownRunConfiguration implements RunConfiguration, WithoutOwnBeforeRunSteps {
+public final class UnknownRunConfiguration implements RunConfiguration, WithoutOwnBeforeRunSteps {
   private final ConfigurationFactory myFactory;
   private Element myStoredElement;
   private String myName;