diff --git a/tests/a_scripts/eval/test_eval_inputs.py b/tests/a_scripts/eval/test_eval_inputs.py
index 98b15743b3..3e1fc83b09 100644
--- a/tests/a_scripts/eval/test_eval_inputs.py
+++ b/tests/a_scripts/eval/test_eval_inputs.py
@@ -42,12 +42,13 @@ def test_mispelled_mandatory_params_fail(self, cfg: DictConfig) -> None:
                 omegaconf.errors.InterpolationKeyError,
                 omegaconf.errors.MissingMandatoryValue,
                 TypeError,
+                ValueError,
             )):
                 cfg[p + '-mispelled'] = cfg.pop(p)
                 main(cfg)
                 cfg[p] = cfg.pop(p + '-mispelled')
 
-    def test_optional_mispelled_params_raise_warning(
+    def test_optional_mispelled_params_raise_error(
         self,
         cfg: DictConfig,
     ) -> None:
@@ -67,15 +68,11 @@ def test_optional_mispelled_params_raise_warning(
             orig_value = cfg.pop(param, None)
             updated_param = param + '-mispelling'
             cfg[updated_param] = orig_value
-            with warnings.catch_warnings(record=True) as warning_list:
+            with pytest.raises(ValueError):
                 try:
                     main(cfg)
                 except:
                     pass
-                assert any(
-                    f'Unused parameter {updated_param} found in cfg.' in
-                    str(warning.message) for warning in warning_list
-                )
             # restore configs.
             cfg = copy.deepcopy(old_cfg)
 
diff --git a/tests/a_scripts/train/test_train_inputs.py b/tests/a_scripts/train/test_train_inputs.py
index 5a3b21dc3b..6806772534 100644
--- a/tests/a_scripts/train/test_train_inputs.py
+++ b/tests/a_scripts/train/test_train_inputs.py
@@ -89,7 +89,7 @@ def test_missing_mandatory_parameters_fail(self, cfg: DictConfig) -> None:
                 main(cfg)
             cfg[param] = orig_param
 
-    def test_optional_misspelled_params_raise_warning(
+    def test_optional_misspelled_params_raise_error(
         self,
         cfg: DictConfig,
     ) -> None:
@@ -113,15 +113,11 @@ def test_optional_misspelled_params_raise_warning(
             orig_value = cfg.pop(param, None)
             updated_param = param + '-misspelling'
             cfg[updated_param] = orig_value
-            with warnings.catch_warnings(record=True) as warning_list:
+            with pytest.raises(ValueError):
                 try:
                     main(cfg)
                 except:
                     pass
-                assert any(
-                    f'Unused parameter {updated_param} found in cfg.' in
-                    str(warning.message) for warning in warning_list
-                )
             # restore configs.
             cfg = copy.deepcopy(old_cfg)