diff --git a/platform/lang-api/src/com/intellij/facet/FacetConfiguration.java b/platform/lang-api/src/com/intellij/facet/FacetConfiguration.java
index c84c64880e13..84c0461df707 100644
--- a/platform/lang-api/src/com/intellij/facet/FacetConfiguration.java
+++ b/platform/lang-api/src/com/intellij/facet/FacetConfiguration.java
@@ -48,12 +48,14 @@ public interface FacetConfiguration extends JDOMExternalizable {
    */
   @Override
   @Deprecated
-  void readExternal(final Element element) throws InvalidDataException;
+  default void readExternal(final Element element) throws InvalidDataException {
+  }
 
   /**
    * @deprecated implement {@link com.intellij.openapi.components.PersistentStateComponent#getState()} instead
    */
   @Override
   @Deprecated
-  void writeExternal(final Element element) throws WriteExternalException;
+  default void writeExternal(final Element element) throws WriteExternalException {
+  }
 }
diff --git a/platform/lang-impl/src/com/intellij/facet/impl/invalid/InvalidFacetConfiguration.java b/platform/lang-impl/src/com/intellij/facet/impl/invalid/InvalidFacetConfiguration.java
index a88e760f3718..1708c5b25ec4 100644
--- a/platform/lang-impl/src/com/intellij/facet/impl/invalid/InvalidFacetConfiguration.java
+++ b/platform/lang-impl/src/com/intellij/facet/impl/invalid/InvalidFacetConfiguration.java
@@ -16,14 +16,11 @@
 package com.intellij.facet.impl.invalid;
 
 import com.intellij.facet.FacetConfiguration;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jps.model.serialization.facet.FacetState;
 import com.intellij.facet.ui.FacetEditorContext;
 import com.intellij.facet.ui.FacetEditorTab;
 import com.intellij.facet.ui.FacetValidatorsManager;
-import com.intellij.openapi.util.InvalidDataException;
-import com.intellij.openapi.util.WriteExternalException;
-import org.jdom.Element;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jps.model.serialization.facet.FacetState;
 
 /**
  * @author nik
@@ -49,14 +46,6 @@ public class InvalidFacetConfiguration implements FacetConfiguration {
     };
   }
 
-  @Override
-  public void readExternal(Element element) throws InvalidDataException {
-  }
-
-  @Override
-  public void writeExternal(Element element) throws WriteExternalException {
-  }
-
   public String getErrorMessage() {
     return myErrorMessage;
   }
diff --git a/plugins/google-app-engine/source/com/intellij/appengine/facet/AppEngineFacetConfiguration.java b/plugins/google-app-engine/source/com/intellij/appengine/facet/AppEngineFacetConfiguration.java
index b9e149840ffc..5d25f1a25d10 100644
--- a/plugins/google-app-engine/source/com/intellij/appengine/facet/AppEngineFacetConfiguration.java
+++ b/plugins/google-app-engine/source/com/intellij/appengine/facet/AppEngineFacetConfiguration.java
@@ -20,9 +20,6 @@ import com.intellij.facet.ui.FacetEditorContext;
 import com.intellij.facet.ui.FacetEditorTab;
 import com.intellij.facet.ui.FacetValidatorsManager;
 import com.intellij.openapi.components.PersistentStateComponent;
-import com.intellij.openapi.util.InvalidDataException;
-import com.intellij.openapi.util.WriteExternalException;
-import org.jdom.Element;
 import org.jetbrains.jps.appengine.model.PersistenceApi;
 import org.jetbrains.jps.appengine.model.impl.AppEngineModuleExtensionProperties;
 
@@ -40,12 +37,6 @@ public class AppEngineFacetConfiguration implements FacetConfiguration, Persiste
     };
   }
 
-  public void readExternal(Element element) throws InvalidDataException {
-  }
-
-  public void writeExternal(Element element) throws WriteExternalException {
-  }
-
   public AppEngineModuleExtensionProperties getState() {
     return myProperties;
   }