diff --git a/nix/packages/zebra/default.nix b/nix/packages/zebra/default.nix
index 48872ba168b..356bacb2dee 100644
--- a/nix/packages/zebra/default.nix
+++ b/nix/packages/zebra/default.nix
@@ -47,10 +47,6 @@ craneLib.buildPackage (
     ##       be removed.
     ZEBRA_SKIP_NETWORK_TESTS = true;
 
-    ## Tests against localhost aren’t disabled by `ZEBRA_SKIP_NETWORK_TESTS`, so this allows them to
-    ## pass on darwin.
-    __darwinAllowLocalNetworking = true;
-
     cargoTestExtraArgs =
       lib.escapeShellArgs
       (["--"]
diff --git a/nix/packages/zebra/failing-tests.nix b/nix/packages/zebra/failing-tests.nix
index ab3c1e2c236..c9d82129be5 100644
--- a/nix/packages/zebra/failing-tests.nix
+++ b/nix/packages/zebra/failing-tests.nix
@@ -3,26 +3,63 @@
   lib,
   stdenv,
 }:
+## NB: On Darwin, `__darwinAllowLocalNetworking` would allow many of these tests to pass, but only
+##     in a non-sandboxed environment.
 [
   ## zebra-scan
   "scan_binary_starts"
   ## zebrad – acceptance
   "config_tests"
+  "end_of_support_is_checked_at_start"
+  "ephemeral_existing_directory"
+  "ephemeral_missing_directory"
+  "external_address"
+  "misconfigured_ephemeral_existing_directory"
+  "misconfigured_ephemeral_missing_directory"
+  "persistent_mode"
   "trusted_chain_sync_handles_forks_correctly"
 ]
 ++ lib.optionals stdenv.hostPlatform.isDarwin [
+  ## zebra-consensus
+  "checkpoint::tests::block_higher_than_max_checkpoint_fail_test"
+  "checkpoint::tests::checkpoint_drop_cancel_test"
+  "checkpoint::tests::continuous_blockchain_no_restart"
+  "checkpoint::tests::continuous_blockchain_restart"
+  "checkpoint::tests::hard_coded_mainnet_test"
+  "checkpoint::tests::multi_item_checkpoint_list_test"
+  "checkpoint::tests::single_item_checkpoint_list_test"
+  "checkpoint::tests::wrong_checkpoint_hash_fail_test"
+  "router::tests::round_trip_checkpoint_test"
+  "router::tests::verify_checkpoint_test"
+  "router::tests::verify_fail_add_block_checkpoint_test"
+  "router::tests::verify_fail_no_coinbase_test"
+  ## zebra-grpc
+  "tests::snapshot::test_grpc_response_data"
+  "tests::vectors::test_grpc_methods_mocked"
+  ## zebra-rpc
+  "server::tests::vectors::rpc_server_spawn_parallel_threads"
+  "server::tests::vectors::rpc_server_spawn_single_thread"
+  "server::tests::vectors::rpc_server_spawn_unallocated_port_single_thread"
+  "server::tests::vectors::rpc_server_spawn_unallocated_port_single_thread_shutdown"
+  "server::tests::vectors::rpc_sever_spawn_unallocated_port_parallel_threads"
+  "server::tests::vectors::rpc_sever_spawn_unallocated_port_parallel_threads_shutdown"
+  ## zebrad
+  "components::inbound::tests::real_peer_set::inbound_block_empty_state_notfound"
+  "components::inbound::tests::real_peer_set::inbound_peers_empty_address_book"
+  "components::inbound::tests::real_peer_set::inbound_tx_empty_state_notfound"
+  "components::inbound::tests::real_peer_set::outbound_tx_partial_response_notfound"
+  "components::inbound::tests::real_peer_set::outbound_tx_unrelated_response_notfound"
   ## zebrad – acceptance
+  "downgrade_state_format"
+  "new_state_format"
   "regtest_block_templates_are_valid_block_submissions"
+  "start_args"
+  "start_no_args"
+  "update_state_format"
+  "zebra_state_conflict"
+  "zebra_zcash_listener_conflict"
 ]
 ++ lib.optionals stdenv.hostPlatform.isLinux [
   ## zebrad – acceptance
-  "config_tests"
-  "end_of_support_is_checked_at_start"
-  "ephemeral_existing_directory"
-  "ephemeral_missing_directory"
-  "external_address"
-  "misconfigured_ephemeral_existing_directory"
-  "misconfigured_ephemeral_missing_directory"
   "non_blocking_logger"
-  "persistent_mode"
 ]