diff --git a/WebContent/WEB-INF/classes/com/pms/mapper/productionplanning.xml b/WebContent/WEB-INF/classes/com/pms/mapper/productionplanning.xml
index 2edcdb4..5d60271 100644
--- a/WebContent/WEB-INF/classes/com/pms/mapper/productionplanning.xml
+++ b/WebContent/WEB-INF/classes/com/pms/mapper/productionplanning.xml
@@ -2985,6 +2985,14 @@
 		WHERE OBJID = #{projectMgmtObjid}
 	</update>
 	
+	<!-- M-BOM에서 E-BOM 제거 -->
+	<update id="removeEbomFromProject" parameterType="map">
+		UPDATE PROJECT_MGMT
+		SET 
+			PART_OBJID = NULL
+		WHERE OBJID = #{projectMgmtObjid}
+	</update>
+	
 	<!-- E-BOM 정보 조회 -->
 	<select id="getEbomInfo" parameterType="map" resultType="com.pms.common.UpperKeyMap">
 		SELECT 
diff --git a/WebContent/WEB-INF/view/partMng/structurePopupCenter.jsp b/WebContent/WEB-INF/view/partMng/structurePopupCenter.jsp
index def2380..dc59fcc 100644
--- a/WebContent/WEB-INF/view/partMng/structurePopupCenter.jsp
+++ b/WebContent/WEB-INF/view/partMng/structurePopupCenter.jsp
@@ -12,8 +12,27 @@ $(function(){
 	
 	$('.select2').select2();
 	
+	// 서버에서 전달받은 상태값 확인 (info.STATUS)
+	var status = '${info.STATUS}';
+	
+	// 상태가 'Y'인 경우 버튼 비활성화
+	if(status === 'Y') {
+		$("#moveLeft, #moveRight, #moveChange").prop('disabled', true)
+			.css({
+				'opacity': '0.5',
+				'cursor': 'not-allowed'
+			})
+			.attr('title', '상태가 Y인 데이터는 수정할 수 없습니다.');
+	}
+	
 	//Part 연결
 	$("#moveLeft").click(function(){
+		// 상태가 'Y'인 경우 동작 방지
+		if(status === 'Y') {
+			alert('상태가 Y인 데이터는 수정할 수 없습니다.');
+			return false;
+		}
+		
 		// Tabulator에서 선택된 오른쪽 행 데이터 가져오기
 		var rightFrame = parent.frames['rightFrame'];
 		var rightSelectedRows = rightFrame.getSelectedRows ? rightFrame.getSelectedRows() : [];
@@ -105,6 +124,12 @@ $(function(){
 	
 	//연결된 part 삭제
 	$("#moveRight").click(function(){
+		// 상태가 'Y'인 경우 동작 방지
+		if(status === 'Y') {
+			alert('상태가 Y인 데이터는 수정할 수 없습니다.');
+			return false;
+		}
+		
 		var leftPartNoObj = $("input[name=checkedPartNo]:checked", parent.frames['leftFrame'].document);
 		var leftPartChildObjId = leftPartNoObj.val(); 
 		var leftPartNo = $("input[name=checkedPartNo]:checked", parent.frames['leftFrame'].document).attr("data-PART_NO");
@@ -118,6 +143,12 @@ $(function(){
 	
 	//연결된 part 변경
 	$("#moveChange").click(function(){
+		// 상태가 'Y'인 경우 동작 방지
+		if(status === 'Y') {
+			alert('상태가 Y인 데이터는 수정할 수 없습니다.');
+			return false;
+		}
+		
 		var leftPartNoList = $("input[name=checkedPartNo]:checked", parent.frames['leftFrame'].document);
 		
 		if(leftPartNoList.length === 0){
diff --git a/WebContent/WEB-INF/view/productionplanning/mBomEbomSelectPopup.jsp b/WebContent/WEB-INF/view/productionplanning/mBomEbomSelectPopup.jsp
index 1cf2ae3..1e522bc 100644
--- a/WebContent/WEB-INF/view/productionplanning/mBomEbomSelectPopup.jsp
+++ b/WebContent/WEB-INF/view/productionplanning/mBomEbomSelectPopup.jsp
@@ -87,6 +87,21 @@ $(document).ready(function(){
 	// 날짜 선택기 초기화
 	fnc_datepick("search_fromDate", "search_toDate");
 	
+	// 초기화 버튼과 Excel Download 버튼 숨기기 (계속 감시)
+	fnc_hideResetButton();
+	
+	// Excel Download 버튼 완전히 제거 (반복 확인)
+	var hideExcelBtn = function() {
+		$('.excelBtn').remove();
+		$('.resetBtn').remove();
+		$('.btnArea input[value="Excel Download"]').remove();
+		$('.btnArea input[value="초기화"]').remove();
+	};
+	
+	// 즉시 실행 및 반복 실행
+	hideExcelBtn();
+	setInterval(hideExcelBtn, 100);
+	
 	// Enter 키로 검색
 	$("input").keyup(function(e) {
 		if (e.keyCode == 13) {
@@ -104,6 +119,11 @@ $(document).ready(function(){
 		fn_showEbomList();
 	});
 	
+	// 제거 버튼
+	$("#btnRemove").click(function(){
+		fn_removeEbom();
+	});
+	
 	// 초기 상태 설정
 	if(hasCurrentEbom) {
 		// 할당된 E-BOM이 있으면 상세보기만 표시
@@ -219,6 +239,36 @@ function fn_assignEbom() {
 		});
 	}
 }
+
+// E-BOM 제거
+function fn_removeEbom() {
+	var projectMgmtObjid = "${param.projectMgmtObjid}";
+	
+	if(confirm("할당된 E-BOM을 제거하시겠습니까?")) {
+		$.ajax({
+			url: "/productionplanning/removeEbomFromMbom.do",
+			type: "POST",
+			data: {
+				projectMgmtObjid: projectMgmtObjid
+			},
+			dataType: "json",
+			success: function(result) {
+				if(result.success) {
+					alert("E-BOM이 제거되었습니다.");
+					if(window.opener && window.opener.fn_search) {
+						window.opener.fn_search(); // 부모 창 새로고침
+					}
+					window.close();
+				} else {
+					alert(result.message || "제거에 실패했습니다.");
+				}
+			},
+			error: function(xhr, status, error) {
+				alert("오류가 발생했습니다: " + error);
+			}
+		});
+	}
+}
 </script>
 </head>
 <body>
@@ -232,6 +282,7 @@ function fn_assignEbom() {
 			<h3>E-BOM ${not empty currentEbom ? '상세 및 변경' : '선택'} - 품번: ${param.partNo} / 품명: ${param.partName}</h3>
 			<div>
 				<c:if test="${not empty currentEbom}">
+					<input type="button" value="E-BOM 제거" class="plm_btns" id="btnRemove" style="background-color: #F44336; color: white;">
 					<input type="button" value="E-BOM 변경" class="plm_btns" id="btnChange" style="background-color: #FF9800; color: white;">
 				</c:if>
 				<input type="button" value="닫기" class="plm_btns" onclick="window.close()">
diff --git a/src/com/pms/controller/ProductionPlanningController.java b/src/com/pms/controller/ProductionPlanningController.java
index 8de2da3..70e4ec3 100644
--- a/src/com/pms/controller/ProductionPlanningController.java
+++ b/src/com/pms/controller/ProductionPlanningController.java
@@ -970,4 +970,41 @@ public class ProductionPlanningController extends BaseService {
 		}
 		return resultMap;
 	}
+	
+	/**
+	 * M-BOM에서 E-BOM 제거
+	 * @param request
+	 * @param paramMap
+	 * @return
+	 */
+	@ResponseBody
+	@RequestMapping("/productionplanning/removeEbomFromMbom.do")
+	public Map<String, Object> removeEbomFromMbom(HttpServletRequest request, @RequestParam Map<String, Object> paramMap) {
+		Map<String, Object> resultMap = new HashMap<>();
+		try {
+			String projectMgmtObjid = CommonUtils.checkNull(paramMap.get("projectMgmtObjid"));
+			
+			if(projectMgmtObjid.isEmpty()) {
+				resultMap.put("success", false);
+				resultMap.put("message", "필수 파라미터가 누락되었습니다.");
+				return resultMap;
+			}
+			
+			// PROJECT_MGMT 테이블의 PART_OBJID를 null로 업데이트
+			int updateResult = productionPlanningService.removeEbomFromProject(projectMgmtObjid);
+			
+			if(updateResult > 0) {
+				resultMap.put("success", true);
+				resultMap.put("message", "E-BOM이 제거되었습니다.");
+			} else {
+				resultMap.put("success", false);
+				resultMap.put("message", "제거에 실패했습니다.");
+			}
+		} catch(Exception e) {
+			e.printStackTrace();
+			resultMap.put("success", false);
+			resultMap.put("message", "오류가 발생했습니다: " + e.getMessage());
+		}
+		return resultMap;
+	}
 }
diff --git a/src/com/pms/mapper/productionplanning.xml b/src/com/pms/mapper/productionplanning.xml
index 2edcdb4..5d60271 100644
--- a/src/com/pms/mapper/productionplanning.xml
+++ b/src/com/pms/mapper/productionplanning.xml
@@ -2985,6 +2985,14 @@
 		WHERE OBJID = #{projectMgmtObjid}
 	</update>
 	
+	<!-- M-BOM에서 E-BOM 제거 -->
+	<update id="removeEbomFromProject" parameterType="map">
+		UPDATE PROJECT_MGMT
+		SET 
+			PART_OBJID = NULL
+		WHERE OBJID = #{projectMgmtObjid}
+	</update>
+	
 	<!-- E-BOM 정보 조회 -->
 	<select id="getEbomInfo" parameterType="map" resultType="com.pms.common.UpperKeyMap">
 		SELECT 
diff --git a/src/com/pms/service/ProductionPlanningService.java b/src/com/pms/service/ProductionPlanningService.java
index 3f3f063..34e60e7 100644
--- a/src/com/pms/service/ProductionPlanningService.java
+++ b/src/com/pms/service/ProductionPlanningService.java
@@ -725,6 +725,36 @@ public class ProductionPlanningService {
 		}
 	}
 	
+	/**
+	 * PROJECT_MGMT에서 E-BOM 제거 (PART_OBJID를 null로 설정)
+	 * @param projectMgmtObjid
+	 * @return
+	 * @throws Exception
+	 */
+	public int removeEbomFromProject(String projectMgmtObjid) throws Exception {
+		SqlSession sqlSession = null;
+		try {
+			sqlSession = SqlMapConfig.getInstance().getSqlSession();
+			
+			Map<String, Object> paramMap = new HashMap<>();
+			paramMap.put("projectMgmtObjid", projectMgmtObjid);
+			
+			int result = sqlSession.update("productionplanning.removeEbomFromProject", paramMap);
+			sqlSession.commit();
+			
+			return result;
+		} catch(Exception e) {
+			if(sqlSession != null) {
+				sqlSession.rollback();
+			}
+			throw e;
+		} finally {
+			if(sqlSession != null) {
+				sqlSession.close();
+			}
+		}
+	}
+	
 	/**
 	 * E-BOM 정보 조회
 	 * @param bomReportObjid