diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/AgentPluginMappingService.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/AgentPluginMappingService.java
index 8f742ba1..e3c2d548 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/AgentPluginMappingService.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/AgentPluginMappingService.java
@@ -27,10 +27,3 @@ public interface AgentPluginMappingService extends IService<AgentPluginMapping>
      */
     void deleteByAgentId(String agentId);
 
-    /**
-     * 根据知识库ID删除插件映射记录
-     * 
-     * @param knowledgeBaseId 知识库ID
-     */
-    void deleteByKnowledgeBaseId(String knowledgeBaseId);
-}
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentPluginMappingServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentPluginMappingServiceImpl.java
index 313b558e..e9fdeba4 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentPluginMappingServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/agent/service/impl/AgentPluginMappingServiceImpl.java
@@ -106,19 +106,4 @@ public class AgentPluginMappingServiceImpl extends ServiceImpl<AgentPluginMappin
         agentPluginMappingMapper.delete(updateWrapper);
     }
 
-    @Override
-    public void deleteByKnowledgeBaseId(String knowledgeBaseId) {
-        if (StringUtils.isBlank(knowledgeBaseId)) {
-            return;
-        }
-
-        UpdateWrapper<AgentPluginMapping> updateWrapper = new UpdateWrapper<>();
-        updateWrapper.eq("plugin_id", knowledgeBaseId);
-        int deletedCount = agentPluginMappingMapper.delete(updateWrapper);
-
-        if (deletedCount > 0) {
-            log.info("已删除 {} 条与知识库ID '{}' 相关的插件映射记录", deletedCount, knowledgeBaseId);
-        }
-    }
-
 }