diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
index 18c1d4ec9c53..e6345bc9706a 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageManagerImpl.java
@@ -410,10 +410,8 @@ public class InjectedLanguageManagerImpl extends InjectedLanguageManager impleme
   }
   @TestOnly
   public static void checkInjectorsAreDisposed(@NotNull Project project) {
-    System.err.println("checkInjectorsAreDisposed()");
     InjectedLanguageManagerImpl cachedManager = (InjectedLanguageManagerImpl)project.getUserData(INSTANCE_CACHE);
     if (cachedManager == null) {
-      System.err.println("checkInjectorsAreDisposed(): cachedManager is null");
       return;
     }
     try {