diff --git a/histomicstk/cli/SeparateStainsXuSnmf/SeparateStainsXuSnmf.xml b/histomicstk/cli/SeparateStainsXuSnmf/SeparateStainsXuSnmf.xml
index 68d1d1f32..e11892f5b 100644
--- a/histomicstk/cli/SeparateStainsXuSnmf/SeparateStainsXuSnmf.xml
+++ b/histomicstk/cli/SeparateStainsXuSnmf/SeparateStainsXuSnmf.xml
@@ -139,8 +139,4 @@
       <default>256</default>
     </integer>
   </parameters>
-  <parameters>
-    <label>IO</label>
-    <description>Input/output parameters.</description>
-  </parameters>
 </executable>
diff --git a/tests/test_cli_xml.py b/tests/test_cli_xml.py
new file mode 100644
index 000000000..a1cab8881
--- /dev/null
+++ b/tests/test_cli_xml.py
@@ -0,0 +1,19 @@
+import os
+from pathlib import Path
+
+import pytest
+
+cliDir = Path(__file__).parent / '..' / 'histomicstk' / 'cli'
+xmlList = {
+    cli: cliDir / cli / f'{cli}.xml' for cli in os.listdir(cliDir)
+    if (cliDir / cli).is_dir() and (cliDir / cli / f'{cli}.xml').is_file()
+}
+
+
+@pytest.mark.parametrize('cli', xmlList.keys())
+def testXMLParsing(cli, caplog):
+    import slicer_cli_web
+
+    slicer_cli_web.CLIArgumentParser(xmlList[cli])
+    for record in caplog.records:
+        assert record.levelname not in {'WARNING', 'ERROR'}