diff --git a/tools/_release.sh b/tools/_release.sh
index ff935cf6b..a2f95aa32 100755
--- a/tools/_release.sh
+++ b/tools/_release.sh
@@ -101,12 +101,6 @@ git checkout "$RELEASE_BRANCH"
 towncrier build --version "$version" --yes
 git commit -m "Update changelog for $version release"
 
-for pkg_dir in $SUBPKGS certbot-compatibility-test
-do
-  sed -i 's/\.dev0//' "$pkg_dir/setup.py"
-  git add "$pkg_dir/setup.py"
-done
-
 SetVersion() {
     ver="$1"
     # bumping Certbot's version number is done differently