1 files changed, 0 insertions, 5 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index bf361c42d6..271c17c226 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -96,11 +96,6 @@ CONDITIONAL_REQUIREMENTS = {
         "psycopg2cffi>=2.8 ; platform_python_implementation == 'PyPy'",
         "psycopg2cffi-compat==1.1 ; platform_python_implementation == 'PyPy'",
     ],
-    # ACME support is required to provision TLS certificates from authorities
-    # that use the protocol, such as Let's Encrypt.
-    "acme": [
-        "txacme>=0.9.2",
-    ],
     "saml2": [
         "pysaml2>=4.5.0",
     ],