diff --git a/platform/core-impl/src/com/intellij/pom/tree/events/impl/TreeChangeImpl.java b/platform/core-impl/src/com/intellij/pom/tree/events/impl/TreeChangeImpl.java
index 9b02a7e16605..86c21a8ebc54 100644
--- a/platform/core-impl/src/com/intellij/pom/tree/events/impl/TreeChangeImpl.java
+++ b/platform/core-impl/src/com/intellij/pom/tree/events/impl/TreeChangeImpl.java
@@ -449,7 +449,6 @@ public class TreeChangeImpl implements TreeChange {
         optimizedResult = myLastOffsetInNewTree;
 
         myLastNode = node;
-        myLastOffsetInNewTree = optimizedResult;
         if (!ourDoChecks) return optimizedResult;
       }
     }