diff --git a/backend/src/project/service.py b/backend/src/project/service.py
index 15dadee5..bb6b5456 100644
--- a/backend/src/project/service.py
+++ b/backend/src/project/service.py
@@ -33,15 +33,12 @@ async def get_project(db: AsyncSession, project_id: int) -> Project:
     return result.scalars().first()
 
 
-async def get_projects_by_user(db: AsyncSession, user_id: str) -> tuple:
-    now_utc = datetime.now(timezone.utc)
+async def get_projects_by_user(db: AsyncSession, user_id: str) -> tuple[Sequence[Project], Sequence[Project]]:
     student_result = await db.execute(
         select(Project)
         .join(Subject, Project.subject_id == Subject.id)
         .join(StudentSubject, StudentSubject.c.subject_id == Subject.id)
-        .where(
-            (StudentSubject.c.uid == user_id)
-        )
+        .where(StudentSubject.c.uid == user_id)
     )
     instructor_result = await db.execute(
         select(Project)
diff --git a/backend/src/subject/router.py b/backend/src/subject/router.py
index 5b22838f..15bd9f67 100644
--- a/backend/src/subject/router.py
+++ b/backend/src/subject/router.py
@@ -181,6 +181,6 @@ async def list_projects(
     if not await has_subject_privileges(subject_id, user, db):
         now = datetime.now(timezone.utc)
         projects.projects = [
-            project for project in projects.projects if project.publish_date <= now and project.is_visible]
+            project for project in projects.projects if project.publish_date <= now]
 
     return projects