diff --git a/src/main/java/com/acon/server/member/api/response/ProfileResponse.java b/src/main/java/com/acon/server/member/api/response/ProfileResponse.java
index 51de5b5..a66001e 100644
--- a/src/main/java/com/acon/server/member/api/response/ProfileResponse.java
+++ b/src/main/java/com/acon/server/member/api/response/ProfileResponse.java
@@ -2,28 +2,21 @@
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
-import jakarta.validation.constraints.NotNull;
 import java.util.List;
 import lombok.Builder;
-import lombok.NonNull;
 
 @Builder
 @JsonInclude(Include.NON_NULL)
 public record ProfileResponse(
-        @NotNull
         String image,
-        @NotNull
         String nickname,
         int leftAcornCount,
         String birthDate,
-        @NotNull
         List<VerifiedArea> verifiedArea
 ) {
 
     public record VerifiedArea(
-            @NonNull
             Long id,
-            @NonNull
             String name
     ) {
 
diff --git a/src/main/java/com/acon/server/member/application/service/MemberService.java b/src/main/java/com/acon/server/member/application/service/MemberService.java
index fa2b6b1..0330070 100644
--- a/src/main/java/com/acon/server/member/application/service/MemberService.java
+++ b/src/main/java/com/acon/server/member/application/service/MemberService.java
@@ -42,7 +42,6 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -106,6 +105,7 @@ protected Long fetchMemberId(
                         .socialType(socialType)
                         .socialId(socialId)
                         .leftAcornCount(25)
+                        // TODO: 닉네임 생성 방식 변경
                         .nickname(UUID.randomUUID().toString())
                         // TODO: 기본 이미지 구현 전까지 임의로 이미지 할당
                         .profileImage("https://avatars.githubusercontent.com/u/81469686?v=4")
@@ -227,7 +227,7 @@ public ProfileResponse fetchProfile() {
                 .verifiedArea(verifiedAreaEntityList.stream()
                         .map(verifiedAreaEntity -> new ProfileResponse.VerifiedArea(verifiedAreaEntity.getId(),
                                 verifiedAreaEntity.getName()))
-                        .collect(Collectors.toList()))
+                        .toList())
                 .build();
     }