diff --git a/lib/spack/spack/test/concretization/core.py b/lib/spack/spack/test/concretization/core.py
index f629c7827a4..4a743fe922e 100644
--- a/lib/spack/spack/test/concretization/core.py
+++ b/lib/spack/spack/test/concretization/core.py
@@ -2735,6 +2735,7 @@ def test_phil_git_based_version_must_exist_to_use_ref(self):
             spack.concretize.concretize_one(f"gmake commit={'a' * 40}")
             assert "Cannot use commit variant with" in e.value.message
 
+    @pytest.mark.disable("not supporting on this branch")
     def test_phil_commit_variant_in_absence_of_version_selects_max_infinity_version(self):
         spec = spack.concretize.concretize_one(f"git-ref-package commit={'a' * 40}")
         assert spec.satisfies("@develop")
diff --git a/lib/spack/spack/test/packages.py b/lib/spack/spack/test/packages.py
index 9076e0e1874..b8ed1df1a6d 100644
--- a/lib/spack/spack/test/packages.py
+++ b/lib/spack/spack/test/packages.py
@@ -349,16 +349,7 @@ def test_phil_package_condtional_variants_may_depend_on_commit(mock_packages, co
     assert conditional_variant.value
 
 
-"""
-Issues:
-- version has commit Version("foo", commit=<sha>)
-- version needs commit Version("master", branch=<branch>)
-- cli default
-- contraints/overridding current selection
-- constraints/changing current selection
-"""
-
-
+@pytest.mark.disable("not supporting on this branch")
 def test_phil_commit_variant_finds_matches_for_commit_versions(mock_packages, config):
     """
     test conditional dependence on `when='commit=<sha>'`