diff --git a/recon_lw/recon_ob.py b/recon_lw/recon_ob.py
index 8a14394..8eca5a5 100644
--- a/recon_lw/recon_ob.py
+++ b/recon_lw/recon_ob.py
@@ -73,7 +73,7 @@ def process_operations_batch(operations_batch, events, book_id, book, check_book
                 log_book["operation_params"] = initial_parameters
                 log_book["source_msg_id"] = mess["messageId"]
                 if log_books_filter is None or log_books_filter(log_book):
-                    log_books_collection.append(log_book)
+                    #log_books_collection.append(log_book)
                     obs.append(log_book)
                 #    log_event = recon_lw.create_event("OrderBook:" + mess["sessionId"],
                 #                                      "OrderBook",