diff --git a/src/west/app/main.py b/src/west/app/main.py
index 50bcee4..25c6a39 100755
--- a/src/west/app/main.py
+++ b/src/west/app/main.py
@@ -920,7 +920,7 @@ class Alias(WestCommand):
         return parser
 
     def do_run(self, args, ignored):
-        assert False
+        raise AssertionError("Alias command can't run directly")
 
 class WestHelpAction(argparse.Action):
 
diff --git a/src/west/configuration.py b/src/west/configuration.py
index 6c61520..d5b18f3 100644
--- a/src/west/configuration.py
+++ b/src/west/configuration.py
@@ -294,7 +294,7 @@ class Configuration:
             self._system.set(option, value)
         else:
             # Shouldn't happen.
-            assert False, configfile
+            raise AssertionError(configfile)
 
     @staticmethod
     def _create(path: Path) -> _InternalCF:
diff --git a/src/west/manifest.py b/src/west/manifest.py
index 4acfde2..0481066 100644
--- a/src/west/manifest.py
+++ b/src/west/manifest.py
@@ -464,11 +464,12 @@ def _update_disabled_groups(disabled_groups: set[str],
         else:
             # We should never get here. This private helper is only
             # meant to be invoked on valid data.
-            assert False, \
-                (f"Unexpected group filter item {item}. "
-                 "This is a west bug. Please report it to the developers "
-                 "along with as much information as you can, such as the "
-                 "stack trace that preceded this message.")
+            raise AssertionError(
+                f"Unexpected group filter item {item}. "
+                "This is a west bug. Please report it to the developers "
+                "along with as much information as you can, such as the "
+                "stack trace that preceded this message."
+            )
 
 def _is_submodule_dict_ok(subm: Any) -> bool:
     # Check whether subm is a dict that contains the expected
diff --git a/tests/test_project.py b/tests/test_project.py
index 491347e..bada3b2 100644
--- a/tests/test_project.py
+++ b/tests/test_project.py
@@ -546,7 +546,7 @@ def test_update_tag_to_tag(west_init_tmpdir):
                 p.revision = 'v2.0'
                 break
         else:
-            assert False, 'no tagged_repo'
+            raise AssertionError('no tagged_repo')
         with open(west_init_tmpdir / 'zephyr' / 'west.yml', 'w') as f:
             f.write(manifest.as_yaml())  # NOT as_frozen_yaml().