diff --git a/client-api/src/main/java/ru/dragonestia/picker/api/model/node/INode.java b/client-api/src/main/java/ru/dragonestia/picker/api/model/node/INode.java
index 7078d36..e4319bc 100644
--- a/client-api/src/main/java/ru/dragonestia/picker/api/model/node/INode.java
+++ b/client-api/src/main/java/ru/dragonestia/picker/api/model/node/INode.java
@@ -17,6 +17,7 @@ public interface INode {
 
     @NotNull PickingMethod getPickingMethod();
 
+    @Transient
     @Nullable Boolean isPersist();
 
     @Nullable String getDetail(@NotNull NodeDetails detail);
diff --git a/client-api/src/main/java/ru/dragonestia/picker/api/model/node/ResponseNode.java b/client-api/src/main/java/ru/dragonestia/picker/api/model/node/ResponseNode.java
index 7bd573c..46afb59 100644
--- a/client-api/src/main/java/ru/dragonestia/picker/api/model/node/ResponseNode.java
+++ b/client-api/src/main/java/ru/dragonestia/picker/api/model/node/ResponseNode.java
@@ -40,7 +40,6 @@ public class ResponseNode implements INode {
         return method;
     }
 
-    @Transient
     @Override
     public @Nullable Boolean isPersist() {
         var val = getDetail(NodeDetails.PERSIST);
diff --git a/client-api/src/main/java/ru/dragonestia/picker/api/model/room/IRoom.java b/client-api/src/main/java/ru/dragonestia/picker/api/model/room/IRoom.java
index 25459e3..cf9e36d 100644
--- a/client-api/src/main/java/ru/dragonestia/picker/api/model/room/IRoom.java
+++ b/client-api/src/main/java/ru/dragonestia/picker/api/model/room/IRoom.java
@@ -38,6 +38,7 @@ public interface IRoom {
 
     boolean isLocked();
 
+    @Transient
     @Nullable Boolean isPersist();
 
     @Nullable String getPayload();