1 files changed, 4 insertions, 0 deletions
diff --git a/java/java-psi-impl/src/com/intellij/core/CoreLanguageLevelProjectExtension.java b/java/java-psi-impl/src/com/intellij/core/CoreLanguageLevelProjectExtension.java
index 07f42cd5c1b8..58956f32a406 100644
--- a/java/java-psi-impl/src/com/intellij/core/CoreLanguageLevelProjectExtension.java
+++ b/java/java-psi-impl/src/com/intellij/core/CoreLanguageLevelProjectExtension.java
@@ -37,6 +37,10 @@ public class CoreLanguageLevelProjectExtension extends LanguageLevelProjectExten
   }
 
   @Override
+  public void languageLevelsChanged() {
+  }
+
+  @Override
   public void reloadProjectOnLanguageLevelChange(@NotNull LanguageLevel languageLevel, boolean forceReload) {
   }
 }