diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
index cf23c1874318..893f873241a5 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/LibrariesModifiableModel.java
@@ -86,9 +86,6 @@ public class LibrariesModifiableModel implements LibraryTableBase.ModifiableMode
 
     if (existingLibrary == library) {
       myRemovedLibraries.add(library);
-    } else {
-      // dispose uncommitted library
-      Disposer.dispose(library);
     }
   }