diff --git a/.github/workflows/test_with_MFEM_master.yml b/.github/workflows/test_with_MFEM_master.yml
index 4a9de9b2..222c1fbd 100644
--- a/.github/workflows/test_with_MFEM_master.yml
+++ b/.github/workflows/test_with_MFEM_master.yml
@@ -16,24 +16,23 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
-        #python-version: ["3.10"]
-        #os: [ubuntu-latest]
+        #python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.10"]
         os: [ubuntu-20.04]
         # USE_FLAGS :  cuda, parallel, libceed
         env:
            - { USE_FLAGS: "000"}
-           - { USE_FLAGS: "100"}
-           - { USE_FLAGS: "010"}
-           - { USE_FLAGS: "110"}
+#          - { USE_FLAGS: "100"}
+#          - { USE_FLAGS: "010"}
+#          - { USE_FLAGS: "110"}
 
         include:
            - os: macos-latest
              python-version: 3.9
              env: {USE_FLAGS: "000"}
-           - os: [ubuntu-20.04]
-             python-version: 3.9
-             env: {USE_FLAGS: "001"}
+#           - os: [ubuntu-20.04]
+#             python-version: 3.9
+#             env: {USE_FLAGS: "001"}
 #
     runs-on: ${{ matrix.os }}      
     #env: ${{ matrix.env }}
diff --git a/mfem/_ser/setup.py b/mfem/_ser/setup.py
index b0538f46..9ade870b 100644
--- a/mfem/_ser/setup.py
+++ b/mfem/_ser/setup.py
@@ -62,20 +62,20 @@ def get_extensions():
     libraries = ['mfem']
 
     # remove current directory from path
-    print("__file__", os.path.abspath(__file__))
+    #print("__file__", os.path.abspath(__file__))
     if '' in sys.path:
         sys.path.remove('')
     items = [x for x in sys.path if os.path.abspath(
         x) == os.path.dirname(os.path.abspath(__file__))]
     for x in items:
         sys.path.remove(x)
-    print("sys path", sys.path)
+    #print("sys path", sys.path)
 
     # this forces to use compiler written in setup_local.py
     if cc_ser != '':
-        os.environ['CC'] = cc_ser
+        os.environ['CC'] = "echo "#cc_ser
     if cxx_ser != '':
-        os.environ['CXX'] = cxx_ser
+        os.environ['CXX'] = "echo "#cxx_ser
 
     modules = ["io_stream", "vtk", "sort_pairs", "datacollection",
                "cpointers", "symmat",
@@ -124,6 +124,8 @@ def get_extensions():
     tpl_include = []
     for x in mfemstpl.split(' '):
         if x.startswith("-I"):
+            if x.find("MacOS") != -1 and x.find(".sdk") != -1:
+                continue
             tpl_include.append(x[2:])
     include_dirs.extend(tpl_include)