diff --git a/migrations/versions/edcc1a448ffb_soft_deletes.py b/migrations/versions/edcc1a448ffb_soft_deletes.py
new file mode 100644
index 0000000..627d5bd
--- /dev/null
+++ b/migrations/versions/edcc1a448ffb_soft_deletes.py
@@ -0,0 +1,31 @@
+"""soft-deletes
+
+Revision ID: edcc1a448ffb
+Revises: 7388a2c219d2
+Create Date: 2024-11-10 09:23:32.307828
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = 'edcc1a448ffb'
+down_revision = '7388a2c219d2'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('comment', sa.Column('is_deleted', sa.Boolean(), nullable=False, server_default=sa.false()))
+    op.add_column('lecturer', sa.Column('is_deleted', sa.Boolean(), nullable=False, server_default=sa.false()))
+    op.add_column(
+        'lecturer_user_comment', sa.Column('is_deleted', sa.Boolean(), nullable=False, server_default=sa.false())
+    )
+
+
+def downgrade():
+    op.drop_column('lecturer_user_comment', 'is_deleted')
+    op.drop_column('lecturer', 'is_deleted')
+    op.drop_column('comment', 'is_deleted')
diff --git a/rating_api/models/db.py b/rating_api/models/db.py
index 747a983..a25a820 100644
--- a/rating_api/models/db.py
+++ b/rating_api/models/db.py
@@ -5,7 +5,7 @@
 import uuid
 from enum import Enum
 
-from sqlalchemy import UUID, DateTime
+from sqlalchemy import UUID, Boolean, DateTime
 from sqlalchemy import Enum as DbEnum
 from sqlalchemy import ForeignKey, Integer, String, and_, func, or_, true
 from sqlalchemy.ext.hybrid import hybrid_method
@@ -34,6 +34,7 @@ class Lecturer(BaseDbModel):
     avatar_link: Mapped[str] = mapped_column(String, nullable=True)
     timetable_id: Mapped[int] = mapped_column(Integer, unique=True, nullable=False)
     comments: Mapped[list[Comment]] = relationship("Comment", back_populates="lecturer")
+    is_deleted: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
 
     @hybrid_method
     def search_by_name(self, query: str) -> bool:
@@ -65,8 +66,13 @@ class Comment(BaseDbModel):
     mark_freebie: Mapped[int] = mapped_column(Integer, nullable=False)
     mark_clarity: Mapped[int] = mapped_column(Integer, nullable=False)
     lecturer_id: Mapped[int] = mapped_column(Integer, ForeignKey("lecturer.id"))
-    lecturer: Mapped[Lecturer] = relationship("Lecturer", back_populates="comments")
+    lecturer: Mapped[Lecturer] = relationship(
+        "Lecturer",
+        back_populates="comments",
+        primaryjoin="and_(Comment.lecturer_id == Lecturer.id, not_(Lecturer.is_deleted))",
+    )
     review_status: Mapped[ReviewStatus] = mapped_column(DbEnum(ReviewStatus, native_enum=False), nullable=False)
+    is_deleted: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
 
 
 class LecturerUserComment(BaseDbModel):
@@ -75,3 +81,4 @@ class LecturerUserComment(BaseDbModel):
     lecturer_id: Mapped[int] = mapped_column(Integer, ForeignKey("lecturer.id"))
     create_ts: Mapped[datetime.datetime] = mapped_column(DateTime, default=datetime.datetime.utcnow, nullable=False)
     update_ts: Mapped[datetime.datetime] = mapped_column(DateTime, default=datetime.datetime.utcnow, nullable=False)
+    is_deleted: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
diff --git a/rating_api/schemas/models.py b/rating_api/schemas/models.py
index 3a6f1b0..de510a8 100644
--- a/rating_api/schemas/models.py
+++ b/rating_api/schemas/models.py
@@ -20,7 +20,6 @@ class CommentGet(Base):
     lecturer_id: int
 
 
-
 class CommentPost(Base):
     subject: str
     text: str
diff --git a/tests/test_routes/test_comment.py b/tests/test_routes/test_comment.py
index e933026..d31c912 100644
--- a/tests/test_routes/test_comment.py
+++ b/tests/test_routes/test_comment.py
@@ -122,10 +122,14 @@ def test_delete_comment(client, dbsession):
     dbsession.commit()
     response = client.delete(f'{url}/{comment.uuid}')
     assert response.status_code == status.HTTP_200_OK
+    response = client.get(f'{url}/{comment.uuid}')
+    assert response.status_code == status.HTTP_404_NOT_FOUND
     random_uuid = uuid.uuid4()
     response = client.delete(f'{url}/{random_uuid}')
     assert response.status_code == status.HTTP_404_NOT_FOUND
-    comment = Comment.query(session=dbsession).filter(Comment.uuid == comment.uuid).one_or_none()
-    assert comment is None
+    comment1 = Comment.query(session=dbsession).filter(Comment.uuid == comment.uuid).one_or_none()
+    assert comment1 is None
+    comment.is_deleted = True
+    dbsession.delete(comment)
     dbsession.delete(lecturer)
     dbsession.commit()
diff --git a/tests/test_routes/test_lecturer.py b/tests/test_routes/test_lecturer.py
index e98858a..39027d0 100644
--- a/tests/test_routes/test_lecturer.py
+++ b/tests/test_routes/test_lecturer.py
@@ -200,3 +200,8 @@ def test_delete_lecturer(client, dbsession):
     assert response.status_code == status.HTTP_200_OK
     response = client.delete(f"{url}/{lecturer.id}")
     assert response.status_code == status.HTTP_404_NOT_FOUND
+    lecturer.is_deleted = True
+    comment.is_deleted = True
+    dbsession.delete(comment)
+    dbsession.delete(lecturer)
+    dbsession.commit()