diff --git a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
index e5a29972af8c..fc574075650d 100644
--- a/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/execution/impl/RunManagerImpl.java
@@ -502,6 +502,7 @@ public class RunManagerImpl extends RunManagerEx implements JDOMExternalizable,
     fireRunConfigurationSelected();
   }
 
+  // used by MPS, don't delete
   public void clearAll(){
     clear();
     initializeConfigurationTypes(new ConfigurationType[0]);