diff --git a/src/main/kotlin/com/example/lsa/lab/controller/LabController.kt b/src/main/kotlin/com/example/lsa/lab/controller/LabController.kt
index 6243f86..6567f4c 100644
--- a/src/main/kotlin/com/example/lsa/lab/controller/LabController.kt
+++ b/src/main/kotlin/com/example/lsa/lab/controller/LabController.kt
@@ -66,7 +66,7 @@ class LabController(
         return ResponseEntity.ok(lab)
     }
 
-    @PostMapping("/remove-membership")
+    @DeleteMapping("/remove-membership")
     fun removeMembership(@RequestParam userId: Long, @RequestParam labId: Long): ResponseEntity<String> {
         return if (labService.removeUserFromLab(userId, labId)) {
             ResponseEntity.ok("성공적으로 삭제했습니다")
diff --git a/src/main/kotlin/com/example/lsa/research/controller/ResearchController.kt b/src/main/kotlin/com/example/lsa/research/controller/ResearchController.kt
index 097dd08..263377f 100644
--- a/src/main/kotlin/com/example/lsa/research/controller/ResearchController.kt
+++ b/src/main/kotlin/com/example/lsa/research/controller/ResearchController.kt
@@ -44,7 +44,7 @@ class ResearchController(
         return ResponseEntity.ok("연구 이름 수정 완료")
     }
 
-    @PostMapping("/{labId}/delete-research")
+    @DeleteMapping("/{labId}/delete-research")
     fun deleteResearch(@PathVariable labId: Long, @RequestParam researchId: Long): ResponseEntity<String> {
         researchService.deleteResearch(researchId)
         return ResponseEntity.ok("연구 삭제 완료")
@@ -72,7 +72,7 @@ class ResearchController(
         return ResponseEntity.ok("매뉴얼 수정 완료")
     }
 
-    @PostMapping("/manual/delete-manual")
+    @DeleteMapping("/manual/delete-manual")
     fun deleteManual(@RequestParam manualId: Long): ResponseEntity<String> {
         manualService.deleteManual(manualId)
         return ResponseEntity.ok("매뉴얼 삭제 완료")
@@ -102,7 +102,7 @@ class ResearchController(
         return ResponseEntity.ok("가상 객체 수정 완료")
     }
 
-    @PostMapping("/vobject/delete-virtual-object")
+    @DeleteMapping("/vobject/delete-virtual-object")
     fun deleteVirtualObject(@RequestParam virtualObjectId: Long): ResponseEntity<String> {
         virtualObjectService.deleteVirtualObject(virtualObjectId)
         return ResponseEntity.ok("가상 객체 삭제 완료")