diff --git a/src/main/java/com/itn/admin/itn/blog/service/BlogPosingService.java b/src/main/java/com/itn/admin/itn/blog/service/BlogPosingService.java
deleted file mode 100644
index 67d1ac3..0000000
--- a/src/main/java/com/itn/admin/itn/blog/service/BlogPosingService.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.itn.admin.itn.blog.service;
-
-import com.itn.admin.itn.blog.mapper.domain.BlogAccountWithSourcesDTO;
-import com.itn.admin.itn.blog.mapper.domain.BlogPostHistoryVO;
-
-import java.util.List;
-import java.util.Map;
-
-public interface BlogPosingService {
-    BlogAccountWithSourcesDTO getAccountWithSources(Long blogId);
-    
-    /**
-     * 워크플로우 히스토리 조회 (페이징 지원)
-     */
-    List<BlogPostHistoryVO> getWorkflowHistory(String blogId, String urlId, String status, int limit, int offset);
-    
-    /**
-     * 워크플로우 통계 조회
-     */
-    Map<String, Object> getWorkflowStatistics(Long blogId);
-    
-    /**
-     * 실시간 진행상황 조회
-     */
-    BlogPostHistoryVO getPublishProgress(Long postId);
-    
-    /**
-     * 실패 원인별 분석
-     */
-    List<Map<String, Object>> getFailureAnalysis(Long blogId, int days);
-}
\ No newline at end of file