diff --git a/application/src/main/java/org/thingsboard/server/config/SwaggerConfiguration.java b/application/src/main/java/org/thingsboard/server/config/SwaggerConfiguration.java
index 8b3bb67eef..fadf26abea 100644
--- a/application/src/main/java/org/thingsboard/server/config/SwaggerConfiguration.java
+++ b/application/src/main/java/org/thingsboard/server/config/SwaggerConfiguration.java
@@ -76,6 +76,7 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Set;
 import java.util.TreeMap;
 import java.util.stream.Collectors;
 
@@ -406,6 +407,10 @@ public class SwaggerConfiguration {
                     }
                 });
 
+                // Deduplicate allOf child schemas: remove properties that are already defined
+                // in the referenced parent schema to avoid duplication (e.g. EntityId children)
+                schemas.values().forEach(schema -> deduplicateAllOfProperties(schema, schemas));
+
                 // Fix polymorphic request/response bodies: replace inline oneOf with base type $ref
                 paths.values().stream()
                         .flatMap(pathItem -> pathItem.readOperationsMap().values().stream())
@@ -676,6 +681,55 @@ public class SwaggerConfiguration {
         return new ApiResponse().description(description).content(content);
     }
 
+    @SuppressWarnings("unchecked")
+    private void deduplicateAllOfProperties(Schema<?> schema, Map<String, Schema> allSchemas) {
+        if (schema.getAllOf() == null) {
+            return;
+        }
+
+        // Collect properties defined in any $ref'd parent within the allOf
+        Set<String> parentProperties = new LinkedHashSet<>();
+        for (Schema<?> allOfElement : schema.getAllOf()) {
+            String ref = allOfElement.get$ref();
+            if (ref != null) {
+                String refName = ref.substring(ref.lastIndexOf('/') + 1);
+                Schema<?> parent = allSchemas.get(refName);
+                if (parent != null && parent.getProperties() != null) {
+                    parentProperties.addAll(parent.getProperties().keySet());
+                }
+            }
+        }
+
+        if (parentProperties.isEmpty()) {
+            return;
+        }
+
+        // Strip those properties from inline (non-$ref) allOf elements
+        schema.getAllOf().removeIf(allOfElement -> {
+            if (allOfElement.get$ref() != null) {
+                return false;
+            }
+            if (allOfElement.getProperties() != null) {
+                parentProperties.forEach(prop -> allOfElement.getProperties().remove(prop));
+                if (allOfElement.getProperties().isEmpty()) {
+                    allOfElement.setProperties(null);
+                }
+            }
+            // Remove the inline element entirely if it has nothing left
+            return allOfElement.getProperties() == null
+                    && allOfElement.getRequired() == null
+                    && allOfElement.getType() == null;
+        });
+
+        // Remove required entries at the schema level that are already required by the parent
+        if (schema.getRequired() != null) {
+            schema.getRequired().removeAll(parentProperties);
+            if (schema.getRequired().isEmpty()) {
+                schema.setRequired(null);
+            }
+        }
+    }
+
     private static List<String> resolvePropertyOrder(Class<?> cls, com.fasterxml.jackson.databind.BeanDescription beanDesc) {
         // Map backing field names to their JSON property names (respects @JsonProperty)
         Map<String, String> fieldToJsonName = new LinkedHashMap<>();
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/DefaultNotificationRuleRecipientsConfig.java b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/DefaultNotificationRuleRecipientsConfig.java
index 7bb3c367ec..ba4f8c9c56 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/DefaultNotificationRuleRecipientsConfig.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/DefaultNotificationRuleRecipientsConfig.java
@@ -27,8 +27,8 @@ import java.util.UUID;
 
 @Schema(description = "Default notification rule recipients configuration", allOf = NotificationRuleRecipientsConfig.class)
 @Data
-@EqualsAndHashCode(callSuper = true)
-public abstract class DefaultNotificationRuleRecipientsConfig extends NotificationRuleRecipientsConfig {
+@EqualsAndHashCode
+public abstract class DefaultNotificationRuleRecipientsConfig implements NotificationRuleRecipientsConfig {
 
     @NotEmpty
     private List<UUID> targets;
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/EscalatedNotificationRuleRecipientsConfig.java b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/EscalatedNotificationRuleRecipientsConfig.java
index df13e60e93..fa5a10f983 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/EscalatedNotificationRuleRecipientsConfig.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/EscalatedNotificationRuleRecipientsConfig.java
@@ -27,8 +27,8 @@ import java.util.UUID;
 
 @Schema(description = "Escalated notification rule recipients configuration")
 @Data
-@EqualsAndHashCode(callSuper = true)
-public class EscalatedNotificationRuleRecipientsConfig extends NotificationRuleRecipientsConfig {
+@EqualsAndHashCode
+public class EscalatedNotificationRuleRecipientsConfig implements NotificationRuleRecipientsConfig {
 
     @NotEmpty
     private Map<Integer, List<UUID>> escalationTable;
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
index ba968841c8..0b383a6d22 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
@@ -16,13 +16,11 @@
 package org.thingsboard.server.common.data.notification.rule;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import io.swagger.v3.oas.annotations.media.DiscriminatorMapping;
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
 import org.thingsboard.server.common.data.notification.rule.trigger.config.NotificationRuleTriggerType;
 
 import java.io.Serializable;
@@ -48,7 +46,6 @@ import java.util.UUID;
                 @DiscriminatorMapping(value = "TASK_PROCESSING_FAILURE", schema = DefaultNotificationRuleRecipientsConfig.TaskProcessingFailureRecipientsConfig.class),
                 @DiscriminatorMapping(value = "RESOURCES_SHORTAGE", schema = DefaultNotificationRuleRecipientsConfig.ResourceShortageRecipientsConfig.class)
         })
-@JsonIgnoreProperties
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "triggerType", include = JsonTypeInfo.As.EXISTING_PROPERTY)
 @JsonSubTypes({
         @Type(name = "ALARM", value = EscalatedNotificationRuleRecipientsConfig.class),
@@ -66,12 +63,11 @@ import java.util.UUID;
         @Type(name = "TASK_PROCESSING_FAILURE", value = DefaultNotificationRuleRecipientsConfig.TaskProcessingFailureRecipientsConfig.class),
         @Type(name = "RESOURCES_SHORTAGE", value = DefaultNotificationRuleRecipientsConfig.ResourceShortageRecipientsConfig.class)
 })
-@Data
-public abstract class NotificationRuleRecipientsConfig implements Serializable {
+public interface NotificationRuleRecipientsConfig extends Serializable {
 
-    public abstract NotificationRuleTriggerType getTriggerType();
+    NotificationRuleTriggerType getTriggerType();
 
     @JsonIgnore
-    public abstract Map<Integer, List<UUID>> getTargetsTable();
+    Map<Integer, List<UUID>> getTargetsTable();
 
 }