1 files changed, 1 insertions, 1 deletions

diff --git a/docs/setup/installation.md b/docs/setup/installation.md

index 0853496ab7..22f6950625 100644
--- a/docs/setup/installation.md
+++ b/docs/setup/installation.md
@@ -376,7 +376,7 @@ If you're struggling to get icu discovered, and see:
 ```
 despite it being installed and having your `PATH` updated, you can omit this dependency by
 not specifying `--extras all` to `poetry`. If using postgres, you can install Synapse via
-`poetry install --extras saml2 --extras oidc --extras postgres --extras opentracing --extras redis --extras sentry`.
+`poetry install --extras oidc --extras postgres --extras opentracing --extras redis --extras sentry`.
 ICU is not a hard dependency on getting a working installation.
 
 On ARM-based Macs you may also need to install libjpeg and libpq: