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-rwxr-xr-xtest/cpp/naming/resolver_component_tests_runner.py1
1 files changed, 0 insertions, 1 deletions
diff --git a/test/cpp/naming/resolver_component_tests_runner.py b/test/cpp/naming/resolver_component_tests_runner.py
index 1873eec35b..950a9d4897 100755
--- a/test/cpp/naming/resolver_component_tests_runner.py
+++ b/test/cpp/naming/resolver_component_tests_runner.py
@@ -55,7 +55,6 @@ if cur_resolver and cur_resolver != 'ares':
'needs to use GRPC_DNS_RESOLVER=ares.'))
test_runner_log('Exit 1 without running tests.')
sys.exit(1)
-os.environ.update({'GRPC_DNS_RESOLVER': 'ares'})
os.environ.update({'GRPC_TRACE': 'cares_resolver'})
def wait_until_dns_server_is_up(args,