diff --git a/.ci/check_unsupported.sh b/.ci/check_unsupported.sh
index 6c87287743..6d73b7f16f 100755
--- a/.ci/check_unsupported.sh
+++ b/.ci/check_unsupported.sh
@@ -8,8 +8,8 @@ set -o pipefail
 
 set -x
 
-# mypy and guess-language-spirit do not install on unsupported versions
-sed -i.bak -E '/^(mypy|guess-language-spirit)/d' bear-requirements.txt
+# Many bear dependencies do not install on unsupported versions
+echo "" > bear-requirements.txt
 
 # pylint installs pytest-runner, and 2.12 creates a version mismatch
 # https://github.com/pytest-dev/pytest-runner/issues/40