diff --git a/tests/test_factory_constructors.py b/tests/test_factory_constructors.py

index ffcce6f..cadd2a0 100644

--- a/tests/test_factory_constructors.py

+++ b/tests/test_factory_constructors.py

@@ -1,6 +1,7 @@

 # -*- coding: utf-8 -*-

 import pytest

 import re

+import os

 import env  # noqa: F401

@@ -349,6 +350,7 @@ def create_and_destroy(*args):

 def strip_comments(s):

     return re.sub(r"\s+#.*", "", s)

+@pytest.mark.skipif('SKIP_E2K' in os.environ, reason="forced test skip")

 def test_reallocation_a(capture, msg):

     """When the constructor is overloaded, previous overloads can require a preallocated value.

diff --git a/tests/test_virtual_functions.py b/tests/test_virtual_functions.py

index f7d3bd1..9ea5263 100644

--- a/tests/test_virtual_functions.py

+++ b/tests/test_virtual_functions.py

@@ -1,5 +1,6 @@

 # -*- coding: utf-8 -*-

 import pytest

+import os

 import env  # noqa: F401

@@ -189,6 +190,7 @@ def test_alias_delay_initialization2(capture):

 @pytest.mark.skipif(

     not hasattr(m, "NCVirt"), reason="NCVirt does not work on Intel/PGI/NVCC compilers"

 )

+@pytest.mark.skipif('SKIP_E2K' in os.environ, reason="forced test skip")

 def test_move_support():

     class NCVirtExt(m.NCVirt):

         def get_noncopyable(self, a, b):