--- a/create-test-environment
+++ b/create-test-environment
@@ -172,21 +172,21 @@ if [ ! -d venv/hg ]; then
   echo "Cloning Mercurial repository"
   hg clone https://www.mercurial-scm.org/repo/hg venv/hg
 fi
 
 hg -R venv/hg pull
 
 mercurials=`pwd`/venv/mercurials
 
-for old in 3.0 3.0.1 3.0.2 3.1 3.1.1 3.1.2 3.2 3.2.1 3.2.2 3.2.3 3.2.4 3.3 3.3.2 3.3.3 3.4 3.4.1 3.4.2 3.5 3.5.1 3.5.2 3.6 3.6.2 3.7.1; do
+for old in 3.0 3.0.1 3.0.2 3.1 3.1.1 3.1.2 3.2 3.2.1 3.2.2 3.2.3 3.2.4 3.3 3.3.2 3.3.3 3.4 3.4.1 3.4.2 3.5 3.5.1 3.5.2 3.6 3.6.2 3.7.1 3.7.3; do
   rm -rf $mercurials/$old
 done
 
-for v in 3.7.3 3.8.4 3.9.2; do
+for v in 3.8.4 3.9.2; do
   destdir=$mercurials/$v
   if [ ! -d $destdir ]; then
     cd venv/hg
     hg up $v
     # We don't care about support files, which only slow us down, so
     # install-bin is the only target we need.
     make install-bin PREFIX=$destdir
     hg --config extensions.purge= purge --all