diff --git a/bitcoinlib/data/providers.json b/bitcoinlib/data/providers.json
index 2ba2be0a..40190a30 100644
--- a/bitcoinlib/data/providers.json
+++ b/bitcoinlib/data/providers.json
@@ -224,7 +224,7 @@
     "network": "testnet",
     "client_class": "LitecoinBlockexplorerClient",
     "provider_coin_id": "",
-    "url": "https://tbtc1.blockbook.bitaccess.net/api/v1/",
+    "url": "https://tbtc1.trezor.io/api/v1/",
     "api_key": "",
     "priority": 10,
     "denominator": 100000000,
@@ -279,7 +279,7 @@
     "network": "testnet",
     "client_class": "BlockbookClient",
     "provider_coin_id": "",
-    "url": "https://tbtc1.blockbook.bitaccess.net/api/v2/",
+    "url": "https://tbtc2.trezor.io/api/v2/",
     "api_key": "",
     "priority": 10,
     "denominator": 100000000,
diff --git a/tests/test_services.py b/tests/test_services.py
index 85d9a815..effe7e58 100644
--- a/tests/test_services.py
+++ b/tests/test_services.py
@@ -604,7 +604,7 @@ def test_service_network_litecoin_legacy(self):
 
     def test_service_blockcount(self):
         for nw in ['bitcoin', 'litecoin', 'testnet']:
-            srv = ServiceTest(min_providers=3, cache_uri='', network=nw)
+            srv = ServiceTest(min_providers=3, cache_uri='', network=nw, exclude_providers=['bitgo', 'bitaps'])
             srv.blockcount()
             n_blocks = None
             for provider in srv.results:
diff --git a/tests/test_wallets.py b/tests/test_wallets.py
index a76708ef..837f5dd2 100644
--- a/tests/test_wallets.py
+++ b/tests/test_wallets.py
@@ -2365,9 +2365,9 @@ def test_wallet_anti_fee_sniping(self):
         w = wallet_create_or_open('antifeesnipingtestwallet', network='testnet', db_uri=self.database_uri)
         w.utxo_add(w.get_key().address, 1234567, os.urandom(32).hex(), 1)
         t = w.send_to('tb1qrjtz22q59e76mhumy0p586cqukatw5vcd0xvvz', 123456)
-        block_height = Service(network='testnet').blockcount()
+        block_height = Service(network='testnet', exclude_providers=['bitgo', 'bitaps']).blockcount()
         # Bitaps and Bitgo return incorrect blockcount for testnet, so set delta
-        self.assertAlmostEqual(t.locktime, block_height+1, delta=25000)
+        self.assertAlmostEqual(t.locktime, block_height+1, delta=3)
 
         w2 = wallet_create_or_open('antifeesnipingtestwallet2', network='testnet', anti_fee_sniping=True)
         w2.utxo_add(w2.get_key().address, 1234567, os.urandom(32).hex(), 1)