diff --git a/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ElectiveMajorManager.java b/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ElectiveMajorManager.java
index 60032d1b..1dedc1b8 100644
--- a/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ElectiveMajorManager.java
+++ b/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ElectiveMajorManager.java
@@ -9,6 +9,7 @@
 import com.plzgraduate.myongjigraduatebe.takenlecture.domain.model.TakenLectureInventory;
 
 public class ElectiveMajorManager {
+	private static final String ELECTIVE_MAJOR_NAME = "전공선택";
 	public DetailCategoryResult createDetailCategoryResult(TakenLectureInventory takenLectureInventory,
 		Set<Lecture> electiveLectures, int electiveMajorTotalCredit) {
 		Set<Lecture> takenElective = new HashSet<>();
@@ -19,7 +20,7 @@ public DetailCategoryResult createDetailCategoryResult(TakenLectureInventory tak
 				finishedTakenLecture.add(takenLecture);
 				takenElective.add(takenLecture.getLecture());
 			});
-		DetailCategoryResult electiveMajorResult = DetailCategoryResult.create("전공선택", true, electiveMajorTotalCredit);
+		DetailCategoryResult electiveMajorResult = DetailCategoryResult.create(ELECTIVE_MAJOR_NAME, true, electiveMajorTotalCredit);
 		electiveMajorResult.calculate(takenElective, electiveLectures);
 		takenLectureInventory.handleFinishedTakenLectures(finishedTakenLecture);
 
diff --git a/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/MandatoryMajorManager.java b/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/MandatoryMajorManager.java
index 16eba36f..bcbc2423 100644
--- a/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/MandatoryMajorManager.java
+++ b/src/main/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/MandatoryMajorManager.java
@@ -5,6 +5,7 @@
 import java.util.Set;
 
 import com.plzgraduate.myongjigraduatebe.graduation.domain.model.DetailCategoryResult;
+import com.plzgraduate.myongjigraduatebe.graduation.domain.model.GraduationCategory;
 import com.plzgraduate.myongjigraduatebe.lecture.domain.model.Lecture;
 import com.plzgraduate.myongjigraduatebe.takenlecture.domain.model.TakenLecture;
 import com.plzgraduate.myongjigraduatebe.user.domain.model.User;
@@ -15,7 +16,7 @@
 @RequiredArgsConstructor
 public class MandatoryMajorManager {
 
-	private static final String detailCategoryName = "전공필수";
+	private static final String MANDATORY_MAJOR_NAME = "전공필수";
 
 	private final List<MandatoryMajorSpecialCaseHandler> mandatoryMajorSpecialCaseHandlers;
 
@@ -42,7 +43,7 @@ public DetailCategoryResult createDetailCategoryResult(User user, TakenLectureIn
 				finishedTakenLecture.add(takenLecture);
 				takenMandatory.add(takenLecture.getLecture());
 			});
-		DetailCategoryResult majorMandatoryResult = DetailCategoryResult.create(detailCategoryName, isSatisfiedMandatory,
+		DetailCategoryResult majorMandatoryResult = DetailCategoryResult.create(MANDATORY_MAJOR_NAME, isSatisfiedMandatory,
 			calculateTotalCredit(takenMandatory, mandatoryLectures, removeMandatoryTotalCredit));
 		majorMandatoryResult.calculate(takenMandatory, mandatoryLectures);
 		takenLectureInventory.handleFinishedTakenLectures(finishedTakenLecture);
diff --git a/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/OptionalMandatoryMandatoryMajorHandlerTest.java b/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/OptionalMandatoryMandatoryMajorHandlerTest.java
index f90e8dfd..c7ea862a 100644
--- a/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/OptionalMandatoryMandatoryMajorHandlerTest.java
+++ b/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/OptionalMandatoryMandatoryMajorHandlerTest.java
@@ -1,7 +1,6 @@
 package com.plzgraduate.myongjigraduatebe.graduation.domain.service.major;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.*;
 
 import java.util.HashSet;
 import java.util.Map;
diff --git a/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ReplaceMandatoryMajorHandlerTest.java b/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ReplaceMandatoryMajorHandlerTest.java
index 647b28b4..e89f4ffc 100644
--- a/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ReplaceMandatoryMajorHandlerTest.java
+++ b/src/test/java/com/plzgraduate/myongjigraduatebe/graduation/domain/service/major/ReplaceMandatoryMajorHandlerTest.java
@@ -11,9 +11,6 @@
 
 import com.plzgraduate.myongjigraduatebe.fixture.LectureFixture;
 import com.plzgraduate.myongjigraduatebe.fixture.UserFixture;
-import com.plzgraduate.myongjigraduatebe.graduation.domain.service.major.MandatoryMajorSpecialCaseHandler;
-import com.plzgraduate.myongjigraduatebe.graduation.domain.service.major.MandatorySpecialCaseInformation;
-import com.plzgraduate.myongjigraduatebe.graduation.domain.service.major.ReplaceMandatoryMandatoryMajorHandler;
 import com.plzgraduate.myongjigraduatebe.lecture.domain.model.Lecture;
 import com.plzgraduate.myongjigraduatebe.takenlecture.domain.model.Semester;
 import com.plzgraduate.myongjigraduatebe.takenlecture.domain.model.TakenLecture;