diff --git a/src/main/java/com/petlog/docs/ScheduleControllerDocs.java b/src/main/java/com/petlog/docs/ScheduleControllerDocs.java
index 31d0b7b..3ad4039 100644
--- a/src/main/java/com/petlog/docs/ScheduleControllerDocs.java
+++ b/src/main/java/com/petlog/docs/ScheduleControllerDocs.java
@@ -32,5 +32,5 @@ public interface ScheduleControllerDocs {
 
     @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "일정 삭제에 성공하였습니다.")
     @Operation(summary = "일정 삭제 API")
-    ResponseEntity<ApiResponse<Void>> deleteSchedule(@PathVariable final Long groupId, @PathVariable final Long scheduleId);
+    ResponseEntity<ApiResponse<Void>> deleteSchedule(@Authenticated final Long memberId, @PathVariable final Long groupId, @PathVariable final Long scheduleId);
 }
diff --git a/src/main/java/com/petlog/schedule/controller/ScheduleController.java b/src/main/java/com/petlog/schedule/controller/ScheduleController.java
index 2c8e5fa..de33881 100644
--- a/src/main/java/com/petlog/schedule/controller/ScheduleController.java
+++ b/src/main/java/com/petlog/schedule/controller/ScheduleController.java
@@ -100,9 +100,12 @@ public ResponseEntity<ApiResponse<Void>> updateSchedule(
 
     @DeleteMapping("/{scheduleId}")
     public ResponseEntity<ApiResponse<Void>> deleteSchedule(
+        @Authenticated final Long memberId,
         @PathVariable final Long groupId,
         @PathVariable final Long scheduleId
     ) {
+        scheduleService.deleteSchedule(memberId, groupId, scheduleId);
+
         return ResponseEntity.ok(
             ApiResponse.success(DELETE_SCHEDULE)
         );
diff --git a/src/main/java/com/petlog/schedule/service/ScheduleService.java b/src/main/java/com/petlog/schedule/service/ScheduleService.java
index b226bac..7b82712 100644
--- a/src/main/java/com/petlog/schedule/service/ScheduleService.java
+++ b/src/main/java/com/petlog/schedule/service/ScheduleService.java
@@ -119,4 +119,15 @@ private void validateIsScheduleWriter(final Member member, final Schedule schedu
             throw new IllegalArgumentException("일정 작성자만 수정할 수 있습니다.");
         }
     }
+
+    public void deleteSchedule(final Long memberId, final Long groupId, final Long scheduleId) {
+        final Member member = getMember(memberId);
+        final PetGroup petGroup = getPetGroup(groupId);
+        getPetGroupMember(member, petGroup);
+
+        final Schedule schedule = getSchedule(scheduleId);
+        validateIsScheduleWriter(member, schedule);
+
+        scheduleRepository.deleteById(scheduleId);
+    }
 }