diff --git a/docs/release-checklist.rst b/docs/release-checklist.rst
index da1bbe16f..f943abb5d 100644
--- a/docs/release-checklist.rst
+++ b/docs/release-checklist.rst
@@ -120,10 +120,8 @@ they will need to evaluate which contributors' signatures they trust.
 
 - when satisfied, sign the tarballs:
 
-  - gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.15.0rc0-py2-none-any.whl
-  - gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.15.0rc0.tar.bz2
+  - gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.15.0rc0-py2.py3-none-any.whl
   - gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.15.0rc0.tar.gz
-  - gpg --pinentry=loopback --armor --detach-sign dist/tahoe_lafs-1.15.0rc0.zip
 
 
 Privileged Contributor
diff --git a/newsfragments/3735.feature b/newsfragments/3735.feature
new file mode 100644
index 000000000..5a86d5547
--- /dev/null
+++ b/newsfragments/3735.feature
@@ -0,0 +1 @@
+Tahoe-LAFS releases now have just a .tar.gz source release and a (universal) wheel
diff --git a/tox.ini b/tox.ini
index af79ea4c7..94c9835ad 100644
--- a/tox.ini
+++ b/tox.ini
@@ -264,4 +264,4 @@ basepython = python3
 deps =
 commands =
          python setup.py update_version
-         python setup.py sdist --formats=bztar,gztar,zip bdist_wheel --universal
+         python setup.py sdist --formats=gztar bdist_wheel --universal