diff --git a/tests/ert/ui_tests/cli/test_run_flow_simulator.py b/tests/ert/ui_tests/cli/test_run_flow_simulator.py
index 13d173c3060..1ed8a41eac5 100644
--- a/tests/ert/ui_tests/cli/test_run_flow_simulator.py
+++ b/tests/ert/ui_tests/cli/test_run_flow_simulator.py
@@ -81,28 +81,6 @@ def test_user_can_specify_threads_and_mpi_processes_and_oversubscribe_compute_no
     assert re.search(r"Threads per MPI process:\s+2", flow_stdout)
 
 
-@pytest.mark.usefixtures("eightcells")
-@pytest.mark.skipif(not shutil.which("flowrun"), reason="flowrun not available")
-def test_setenv_can_be_used_to_set_threads():
-    Path("flow.ert").write_text(
-        dedent("""
-    NUM_REALIZATIONS 1
-    ECLBASE EIGHTCELLS
-    DATA_FILE EIGHTCELLS.DATA
-    RUNPATH realization-<IENS>
-    SETENV OMP_NUM_THREADS 2
-    NUM_CPU 1
-    FORWARD_MODEL FLOW()
-    """).strip(),
-        encoding="utf-8",
-    )
-
-    run_cli(TEST_RUN_MODE, "--disable-monitoring", "flow.ert")
-    flow_stdout = Path("realization-0/FLOW.stdout.0").read_text(encoding="utf-8")
-    assert re.search(r"Number of MPI processes:\s+1", flow_stdout)
-    assert re.search(r"Threads per MPI process:\s+2", flow_stdout)
-
-
 @pytest.mark.usefixtures("eightcells")
 @pytest.mark.skipif(not shutil.which("flowrun"), reason="flowrun not available")
 def test_ert_will_fetch_parallel_keyword_and_set_mpi_processes():
@@ -128,39 +106,6 @@ def test_ert_will_fetch_parallel_keyword_and_set_mpi_processes():
     assert re.search(r"Threads per MPI process:\s+1", flow_stdout)
 
 
-@pytest.mark.usefixtures("eightcells")
-@pytest.mark.skipif(not shutil.which("flowrun"), reason="flowrun not available")
-@pytest.mark.parametrize("num_cpu", [1, 2])
-def test_flow_will_always_obey_omp_num_threads_also_when_mpi_is_active(num_cpu):
-    """This part of flow Ert cannot control, and this scenario should thus be
-    avoided. However, if the users use SETENV manually it will happen.
-    SETENV takes precedence over plugin env configuration so configuriation of
-    the FLOW forward model through plugins will not help either."""
-    deck = Path("EIGHTCELLS.DATA").read_text(encoding="utf-8")
-    assert "PARALLEL" not in deck
-    Path("flow.ert").write_text(
-        dedent(f"""
-    NUM_REALIZATIONS 1
-    ECLBASE EIGHTCELLS
-    NUM_CPU {num_cpu}
-    DATA_FILE EIGHTCELLS.DATA
-    SETENV OMP_NUM_THREADS 2
-    RUNPATH realization-<IENS>
-    FORWARD_MODEL FLOW()
-    """).strip(),
-        encoding="utf-8",
-    )
-
-    run_cli(TEST_RUN_MODE, "--disable-monitoring", "flow.ert")
-    flow_stdout = Path("realization-0/FLOW.stdout.0").read_text(encoding="utf-8")
-    assert (
-        "Warning: Environment variable OMP_NUM_THREADS takes precedence over the --threads-per-process"
-        in flow_stdout
-    )
-    assert re.search(rf"Number of MPI processes:\s+{num_cpu}", flow_stdout)
-    assert re.search(r"Threads per MPI process:\s+2", flow_stdout)
-
-
 @pytest.mark.usefixtures("eightcells")
 @pytest.mark.skipif(not shutil.which("flowrun"), reason="flowrun not available")
 def test_num_cpu_wins_over_parallel_in_deck():