diff --git a/src/features/auth/ui/sign-up-modal.tsx b/src/features/auth/ui/sign-up-modal.tsx
index e2b8e15b..c1fe8691 100644
--- a/src/features/auth/ui/sign-up-modal.tsx
+++ b/src/features/auth/ui/sign-up-modal.tsx
@@ -21,9 +21,7 @@ export default function SignupModal({
 }) {
   const [name, setName] = useState('');
   const [checked, setChecked] = useState<boolean>(false);
-  const [image, setImage] = useState(
-    getCookie('socialImageURL') || 'profile-default.svg',
-  );
+  const [image, setImage] = useState(getCookie('socialImageURL') || undefined);
   const fileInputRef = useRef<HTMLInputElement>(null);
 
   const signUp = useSignUpMutation();
diff --git a/src/features/my-page/consts/my-page-const.ts b/src/features/my-page/consts/my-page-const.ts
index 5f909266..15b20a72 100644
--- a/src/features/my-page/consts/my-page-const.ts
+++ b/src/features/my-page/consts/my-page-const.ts
@@ -29,5 +29,3 @@ export const MBTI_OPTIONS = [
   { label: 'ENFJ', value: 'ENFJ' },
   { label: 'ENTJ', value: 'ENTJ' },
 ];
-
-export const DEFAULT_PROFILE_IMAGE_URL = '/profile-default.svg';
diff --git a/src/features/my-page/ui/profile-edit-modal.tsx b/src/features/my-page/ui/profile-edit-modal.tsx
index 7d14986c..b9f2b7d9 100644
--- a/src/features/my-page/ui/profile-edit-modal.tsx
+++ b/src/features/my-page/ui/profile-edit-modal.tsx
@@ -16,11 +16,7 @@ import MultiItemSelector from '@/shared/ui/form/multi-item-selector';
 import { BaseInput, TextAreaInput } from '@/shared/ui/input';
 import { Modal } from '@/shared/ui/modal';
 
-import {
-  DEFAULT_OPTIONS,
-  DEFAULT_PROFILE_IMAGE_URL,
-  MBTI_OPTIONS,
-} from '../consts/my-page-const';
+import { DEFAULT_OPTIONS, MBTI_OPTIONS } from '../consts/my-page-const';
 import {
   ProfileFormSchema,
   type ProfileFormInput,
@@ -83,7 +79,7 @@ function ProfileEditForm({
 
   const [image, setImage] = useState(
     memberProfile.profileImage?.resizedImages?.[0]?.resizedImageUrl ??
-      DEFAULT_PROFILE_IMAGE_URL,
+      undefined,
   );
 
   const methods = useForm<ProfileFormInput>({
@@ -100,7 +96,7 @@ function ProfileEditForm({
   const onValidSubmit = async (values: ProfileFormValues) => {
     const file = fileInputRef.current?.files?.[0];
     const profileImageExtension =
-      image === DEFAULT_PROFILE_IMAGE_URL ? 'jpg' : file?.name.split('.').pop();
+      image === undefined ? 'jpg' : file?.name.split('.').pop();
 
     const payload = toUpdateProfilePayload(values, { profileImageExtension });
     const updatedProfile = await updateProfile(payload);
@@ -111,7 +107,7 @@ function ProfileEditForm({
 
       if (file) {
         imageFormData.append('file', file);
-      } else if (image === DEFAULT_PROFILE_IMAGE_URL) {
+      } else if (image === undefined) {
         const defaultProfileImage = 'profile-default.jpg';
         const response = await fetch(defaultProfileImage);
         const blob = await response.blob();
diff --git a/src/widgets/home/header.tsx b/src/widgets/home/header.tsx
index 122b4b48..b120dcc6 100644
--- a/src/widgets/home/header.tsx
+++ b/src/widgets/home/header.tsx
@@ -23,7 +23,7 @@ export default async function Header() {
   const userInfo = userProfile?.memberProfile;
   const userImg = userProfile
     ? userInfo?.profileImage?.resizedImages[0].resizedImageUrl
-    : 'profile-default.svg';
+    : undefined;
 
   return (
     <header