diff --git a/tests/test_tickets.py b/tests/test_tickets.py
index bb58d32..b5b024b 100644
--- a/tests/test_tickets.py
+++ b/tests/test_tickets.py
@@ -3,35 +3,9 @@ from tests.factories import TrackerFactory, TicketFactory, UserFactory
 from tests.factories import ParticipantFactory
 from tests.utils import logged_in_as
 from todosrht.tickets import get_or_create_subscription
-from todosrht.types import TicketSeen, TicketSubscription
+from todosrht.types import TicketSubscription
 from todosrht.urls import ticket_url
 
-def test_mark_seen(client):
-    ticket = TicketFactory()
-    user = UserFactory()
-    db.session.commit()
-
-    url = ticket_url(ticket)
-
-    query = TicketSeen.query.filter_by(user=user, ticket=ticket)
-    assert query.count() == 0
-
-    # Created on first visit
-    with logged_in_as(user):
-        response = client.get(url)
-        assert response.status_code == 200
-
-    first_time = query.one().last_view
-
-    # Updated on second visit
-    with logged_in_as(user):
-        response = client.get(url)
-        assert response.status_code == 200
-
-    second_time = query.one().last_view
-
-    assert second_time > first_time
-
 def test_get_or_create_subscription():
     participant1 = ParticipantFactory()
     participant2 = ParticipantFactory()
diff --git a/todosrht/alembic/versions/e3427af07c4e_remove_ticket_seen.py b/todosrht/alembic/versions/e3427af07c4e_remove_ticket_seen.py
new file mode 100644
index 0000000..044670c
--- /dev/null
+++ b/todosrht/alembic/versions/e3427af07c4e_remove_ticket_seen.py
@@ -0,0 +1,30 @@
+"""Remove TicketSeen
+
+Revision ID: e3427af07c4e
+Revises: 368579bcc610
+Create Date: 2021-12-18 19:43:57.634789
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'e3427af07c4e'
+down_revision = '368579bcc610'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+def upgrade():
+    op.drop_table('ticket_seen')
+
+
+
+def downgrade():
+    op.create_table('ticket_seen',
+    sa.Column('user_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('ticket_id', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('last_view', postgresql.TIMESTAMP(), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['ticket_id'], ['ticket.id'], name='ticket_seen_ticket_id_fkey', ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], name='ticket_seen_user_id_fkey'),
+    sa.PrimaryKeyConstraint('user_id', 'ticket_id', name='ticket_seen_pkey')
+    )
diff --git a/todosrht/blueprints/ticket.py b/todosrht/blueprints/ticket.py
index 2269ee9..b04e560 100644
--- a/todosrht/blueprints/ticket.py
+++ b/todosrht/blueprints/ticket.py
@@ -8,7 +8,7 @@ from srht.validation import Validation
 from todosrht.access import get_tracker, get_ticket
 from todosrht.filters import render_markup
 from todosrht.search import find_usernames
-from todosrht.tickets import add_comment, mark_seen, assign, unassign
+from todosrht.tickets import add_comment, assign, unassign
 from todosrht.tickets import get_participant_for_user
 from todosrht.trackers import get_recent_users
 from todosrht.types import Event, EventType, Label, TicketLabel
@@ -87,10 +87,6 @@ def ticket_GET(owner, name, ticket_id):
     if not ticket:
         abort(404)
 
-    if current_user:
-        mark_seen(ticket, current_user)
-        db.session.commit()
-
     ctx = get_ticket_context(ticket, tracker, access)
     return render_template("ticket.html", **ctx)
 
diff --git a/todosrht/blueprints/tracker.py b/todosrht/blueprints/tracker.py
index 81ac177..e79116e 100644
--- a/todosrht/blueprints/tracker.py
+++ b/todosrht/blueprints/tracker.py
@@ -9,7 +9,6 @@ from todosrht.color import color_from_hex, color_to_hex, get_text_color
 from todosrht.color import valid_hex_color_code
 from todosrht.filters import render_markup
 from todosrht.search import apply_search
-from todosrht.tickets import get_last_seen_times
 from todosrht.tickets import get_participant_for_user, submit_ticket
 from todosrht.types import Event, Label, TicketLabel
 from todosrht.types import TicketSubscription, Participant
@@ -107,13 +106,6 @@ def return_tracker(tracker, access, **kwargs):
 
     tickets, pagination = paginate_query(tickets, results_per_page=25)
 
-    # Find which tickets were seen by the user since last update
-    seen_ticket_ids = []
-    if current_user:
-        seen_times = get_last_seen_times(current_user, tickets)
-        seen_ticket_ids = [t.id for t in tickets
-            if t.id in seen_times and seen_times[t.id] >= t.updated]
-
     if "another" in kwargs:
         another = kwargs["another"]
         del kwargs["another"]
@@ -121,7 +113,6 @@ def return_tracker(tracker, access, **kwargs):
     return render_template("tracker.html",
             tracker=tracker, another=another, tickets=tickets,
             access=access, is_subscribed=is_subscribed, search=terms,
-            seen_ticket_ids=seen_ticket_ids,
             tracker_subscribe=tracker_subscribe, **pagination, **kwargs)
 
 @tracker.route("/<owner>/<name>")
diff --git a/todosrht/templates/tracker.html b/todosrht/templates/tracker.html
index c880314..3e60ed1 100644
--- a/todosrht/templates/tracker.html
+++ b/todosrht/templates/tracker.html
@@ -241,11 +241,7 @@
         </div>
         <div class="comments" aria-label="Comments">
           <span class="icon_count">
-            {% if ticket.id in seen_ticket_ids or ticket.comment_count == 0 %}
             {{icon("comments-o")}}
-            {% else %}
-            {{icon("comments")}}
-            {% endif %}
             {{ ticket.comment_count }}
           </span>
           <span class="commentlabel">
diff --git a/todosrht/tickets.py b/todosrht/tickets.py
index 0b1cc30..10b91d7 100644
--- a/todosrht/tickets.py
+++ b/todosrht/tickets.py
@@ -7,7 +7,7 @@ from srht.database import db
 from todosrht.email import notify, format_lines
 from todosrht.types import Event, EventType, EventNotification
 from todosrht.types import TicketComment, TicketStatus, TicketSubscription
-from todosrht.types import TicketSeen, TicketAssignee, User, Ticket, Tracker
+from todosrht.types import TicketAssignee, User, Ticket, Tracker
 from todosrht.types import Participant, ParticipantType
 from todosrht.urls import ticket_url
 from sqlalchemy import func, or_, and_
@@ -335,17 +335,6 @@ def add_comment(submitter, ticket,
 
     return event
 
-def mark_seen(ticket, user):
-    """Mark the ticket as seen by user."""
-    seen = TicketSeen.query.filter_by(user=user, ticket=ticket).one_or_none()
-    if seen:
-        seen.update()  # Updates last_view time
-    else:
-        seen = TicketSeen(user_id=user.id, ticket_id=ticket.id)
-        db.session.add(seen)
-
-    return seen
-
 def get_or_create_subscription(ticket, participant):
     """
     If participant is subscribed to ticket or tracker, returns that
@@ -445,12 +434,6 @@ def unassign(ticket, assignee, assigner):
     event.by_participant_id = assigner_participant.id
     db.session.add(event)
 
-def get_last_seen_times(user, tickets):
-    """Fetches last times the user has seen each of the given tickets."""
-    return dict(db.session.query(TicketSeen.ticket_id, TicketSeen.last_view)
-        .filter(TicketSeen.ticket_id.in_([t.id for t in tickets]))
-        .filter(TicketSeen.user == user))
-
 def get_comment_count(ticket_id):
     """Returns the number of comments on a given ticket."""
     return (
diff --git a/todosrht/types/__init__.py b/todosrht/types/__init__.py
index ce73d6d..f5fe523 100644
--- a/todosrht/types/__init__.py
+++ b/todosrht/types/__init__.py
@@ -19,7 +19,6 @@ from todosrht.types.participant import Participant, ParticipantType
 from todosrht.types.ticket import Ticket
 from todosrht.types.ticketassignee import TicketAssignee
 from todosrht.types.ticketcomment import TicketComment
-from todosrht.types.ticketseen import TicketSeen
 from todosrht.types.ticketsubscription import TicketSubscription
 from todosrht.types.tracker import Tracker, Visibility
 from todosrht.types.useraccess import UserAccess
diff --git a/todosrht/types/ticket.py b/todosrht/types/ticket.py
index 3588e46..6257e69 100644
--- a/todosrht/types/ticket.py
+++ b/todosrht/types/ticket.py
@@ -46,7 +46,6 @@ class Ticket(Base):
             nullable=False,
             default=TicketResolution.unresolved)
 
-    view_list = sa.orm.relationship("TicketSeen", viewonly=True)
 
     labels = sa.orm.relationship("Label",
         secondary="ticket_label", order_by="Label.name",
diff --git a/todosrht/types/ticketseen.py b/todosrht/types/ticketseen.py
deleted file mode 100644
index 827b1a4..0000000
--- a/todosrht/types/ticketseen.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import sqlalchemy as sa
-import sqlalchemy_utils as sau
-from srht.database import Base
-from datetime import datetime
-
-class TicketSeen(Base):
-    """Stores the last time a user viewed this ticket. Calculates if comments have been seen."""
-    __tablename__ = 'ticket_seen'
-    user_id = sa.Column(sa.Integer,
-            sa.ForeignKey('user.id'),
-            primary_key=True)
-    user = sa.orm.relationship("User")
-
-    ticket_id = sa.Column(sa.Integer,
-            sa.ForeignKey('ticket.id', ondelete="CASCADE"),
-            primary_key=True)
-    ticket = sa.orm.relationship("Ticket", lazy="joined")
-
-    last_view = sa.Column(sa.DateTime,
-            nullable=False,
-            server_default=sa.sql.func.now())
-
-
-    def update(self):
-        self.last_view = datetime.utcnow()