diff --git a/tests/py/test_tips_json.py b/tests/py/test_tips_json.py
deleted file mode 100644
index 9232b254b3..0000000000
--- a/tests/py/test_tips_json.py
+++ /dev/null
@@ -1,130 +0,0 @@
-from __future__ import print_function, unicode_literals
-
-import json
-
-import pytest
-from aspen.utils import utcnow
-from gratipay.testing import Harness
-
-
-class TestTipsJson(Harness):
-
-    def also_prune_variant(self, also_prune, tippees=1):
-
-        now = utcnow()
-        self.make_participant("test_tippee1", claimed_time=now)
-        self.make_participant("test_tippee2", claimed_time=now)
-        self.make_participant("test_tipper", claimed_time=now)
-
-        data = [
-            {'username': 'test_tippee1', 'platform': 'gratipay', 'amount': '1.00'},
-            {'username': 'test_tippee2', 'platform': 'gratipay', 'amount': '2.00'}
-        ]
-
-        response = self.client.POST( '/~test_tipper/tips.json'
-                                   , body=json.dumps(data)
-                                   , content_type='application/json'
-                                   , auth_as='test_tipper'
-                                    )
-
-        assert response.code == 200
-        assert len(json.loads(response.body)) == 2
-
-        response = self.client.POST( '/~test_tipper/tips.json?also_prune=' + also_prune
-                                   , body=json.dumps([{ 'username': 'test_tippee2'
-                                                      , 'platform': 'gratipay'
-                                                      , 'amount': '1.00'
-                                                       }])
-                                   , content_type='application/json'
-                                   , auth_as='test_tipper'
-                                    )
-
-        assert response.code == 200
-
-        response = self.client.GET('/~test_tipper/tips.json', auth_as='test_tipper')
-        assert response.code == 200
-        assert len(json.loads(response.body)) == tippees
-
-    def test_get_response(self):
-        now = utcnow()
-        self.make_participant("test_tipper", claimed_time=now)
-
-        response = self.client.GET('/~test_tipper/tips.json', auth_as='test_tipper')
-
-        assert response.code == 200
-        assert len(json.loads(response.body)) == 0 # empty array
-
-    @pytest.mark.xfail(reason="migrating to Teams; #3399")
-    def test_get_response_with_tips(self):
-        now = utcnow()
-        self.make_participant("test_tippee1", claimed_time=now)
-        self.make_participant("test_tipper", claimed_time=now)
-
-        response = self.client.POST( '/~test_tippee1/tip.json'
-                                   , {'amount': '1.00'}
-                                   , auth_as='test_tipper'
-                                    )
-
-        assert response.code == 200
-        assert json.loads(response.body)['amount'] == '1.00'
-
-        response = self.client.GET('/~test_tipper/tips.json', auth_as='test_tipper')
-        data = json.loads(response.body)[0]
-
-        assert response.code == 200
-        assert data['username'] == 'test_tippee1'
-        assert data['amount'] == '1.00'
-
-    def test_post_bad_platform(self):
-        now = utcnow()
-        self.make_participant("test_tippee1", claimed_time=now)
-        self.make_participant("test_tipper", claimed_time=now)
-
-        response = self.client.POST( '/~test_tipper/tips.json'
-                                   , body=json.dumps([{ 'username': 'test_tippee1'
-                                                 , 'platform': 'badname'
-                                                 , 'amount': '1.00'
-                                                  }])
-                                   , auth_as='test_tipper'
-                                   , content_type='application/json'
-                                    )
-
-        assert response.code == 200
-
-        resp = json.loads(response.body)
-
-        for tip in resp:
-            assert 'error' in tip
-
-    def test_gittip_as_platform_works(self):
-        now = utcnow()
-        self.make_participant("test_tippee1", claimed_time=now)
-        self.make_participant("test_tipper", claimed_time=now)
-
-        response = self.client.POST( '/~test_tipper/tips.json'
-                                   , body=json.dumps([{ 'username': 'test_tippee1'
-                                                      , 'platform': 'gittip'
-                                                      , 'amount': '1.00'
-                                                       }])
-                                   , auth_as='test_tipper'
-                                   , content_type='application/json'
-                                    )
-
-        assert response.code == 200
-
-        resp = json.loads(response.body)
-        assert len(resp) == 1
-        tip = resp[0]
-        assert tip['platform'] == 'gittip'
-
-    def test_also_prune_as_1(self):
-        self.also_prune_variant('1')
-
-    def test_also_prune_as_true(self):
-        self.also_prune_variant('true')
-
-    def test_also_prune_as_yes(self):
-        self.also_prune_variant('yes')
-
-    def test_also_prune_as_0(self):
-        self.also_prune_variant('0', 2)
diff --git a/www/~/%username/tips.json.spt b/www/~/%username/tips.json.spt
deleted file mode 100644
index 880a255236..0000000000
--- a/www/~/%username/tips.json.spt
+++ /dev/null
@@ -1,52 +0,0 @@
-import re
-from aspen import json, Response
-from gratipay.utils import get_participant
-
-callback_pattern = re.compile(r'^[_A-Za-z0-9.]+$')
-
-class BadPlatform(Exception): pass
-
-[-----------------------]
-participant = get_participant(state, restrict=True)
-if user.participant != participant:
-    raise Response(403) # disallow admins
-
-if request.method == 'POST':
-    out = []
-    new_tips = request.body
-    seen = set()
-    for tip in new_tips:
-        seen.add(tip['username'])
-        one = {"username": tip['username'], "platform": tip['platform']}
-        try:
-            if tip['platform'] not in ('gittip', 'gratipay'):
-                raise BadPlatform
-            amount = participant.set_tip_to( tip['username']
-                                           , parse_decimal(tip['amount'])
-                                            )['amount']
-        except Exception, exc:
-            amount = "error"
-            one['error'] = exc.__class__.__name__
-        one['amount'] = str(amount)
-        out.append(one)
-
-    if request.qs.get('also_prune', 'false').lower() in ('true', '1', 'yes'):
-        old_tips = participant.get_current_tips()
-        for tip in old_tips:
-            if tip['tippee'] not in seen:
-                participant.set_tip_to(tip['tippee'], '0.00')
-
-else:
-    tips, total = participant.get_giving_for_profile()
-
-    out = []
-    for tip in tips:
-        if tip.amount == 0:
-            continue
-        out.append({ "username": tip.tippee
-                   , "platform": "gratipay"
-                   , "amount": str(tip.amount)
-                    })
-
-[---] application/json via json_dump
-out