diff --git a/java/java-impl/src/com/intellij/openapi/roots/impl/CompilerProjectExtensionImpl.java b/java/java-impl/src/com/intellij/openapi/roots/impl/CompilerProjectExtensionImpl.java
index dd06dfa7e455..4081e8f56539 100644
--- a/java/java-impl/src/com/intellij/openapi/roots/impl/CompilerProjectExtensionImpl.java
+++ b/java/java-impl/src/com/intellij/openapi/roots/impl/CompilerProjectExtensionImpl.java
@@ -55,7 +55,6 @@ public class CompilerProjectExtensionImpl extends CompilerProjectExtension {
     final Element outputPathChild = element.getChild(OUTPUT_TAG);
     if (outputPathChild != null) {
       String outputPath = outputPathChild.getAttributeValue(URL);
-      assert myCompilerOutput == null;
       myCompilerOutput = VirtualFilePointerManager.getInstance().create(outputPath, myProject, null);
     }
   }