diff --git a/redaction-service-v1/document/src/main/java/com/iqser/red/service/redaction/v1/server/model/document/textblock/AtomicTextBlock.java b/redaction-service-v1/document/src/main/java/com/iqser/red/service/redaction/v1/server/model/document/textblock/AtomicTextBlock.java
index 89d8988c..42f53764 100644
--- a/redaction-service-v1/document/src/main/java/com/iqser/red/service/redaction/v1/server/model/document/textblock/AtomicTextBlock.java
+++ b/redaction-service-v1/document/src/main/java/com/iqser/red/service/redaction/v1/server/model/document/textblock/AtomicTextBlock.java
@@ -67,7 +67,6 @@ public class AtomicTextBlock implements TextBlock {
     @NonNull
     List<Rectangle2D> positions;
 
-    @NonNull
     @EqualsAndHashCode.Exclude
     SemanticNode parent;