1 files changed, 0 insertions, 1 deletions
diff --git a/tests/http/federation/test_matrix_federation_agent.py b/tests/http/federation/test_matrix_federation_agent.py
index bd80dd0cb6..11ea8ef10c 100644
--- a/tests/http/federation/test_matrix_federation_agent.py
+++ b/tests/http/federation/test_matrix_federation_agent.py
@@ -146,7 +146,6 @@ class MatrixFederationAgentTests(TestCase):
             [b'testserv'],
         )
         # send back a response
-        request.responseHeaders.setRawHeaders(b'Content-Type', [b'application/json'])
         request.write(b'{ "m.server": "%s" }' % (target_server,))
         request.finish()