diff --git a/litellm/litellm_core_utils/exception_mapping_utils.py b/litellm/litellm_core_utils/exception_mapping_utils.py
index b76c97ad2de..4ee726b67de 100644
--- a/litellm/litellm_core_utils/exception_mapping_utils.py
+++ b/litellm/litellm_core_utils/exception_mapping_utils.py
@@ -2486,18 +2486,6 @@ def exception_type(
                     exception_provider=exception_provider,
                     extra_information=extra_information,
                 )
-            from litellm.llms.base_llm.chat.transformation import BaseLLMException
-
-            if custom_llm_provider and isinstance(original_exception, BaseLLMException):
-                _map_openai_like_exception(
-                    model=model,
-                    original_exception=mappable_exception,
-                    custom_llm_provider=custom_llm_provider,
-                    error_str=error_str,
-                    exception_type=exception_type,
-                    exception_provider=exception_provider,
-                    extra_information=extra_information,
-                )
         if "BadRequestError.__init__() missing 1 required positional argument: 'param'" in str(
             original_exception
         ):  # deal with edge-case invalid request error bug in openai-python sdk
diff --git a/tests/test_litellm/litellm_core_utils/test_exception_mapping_utils.py b/tests/test_litellm/litellm_core_utils/test_exception_mapping_utils.py
index 3eb8094f914..6f7ea9da640 100644
--- a/tests/test_litellm/litellm_core_utils/test_exception_mapping_utils.py
+++ b/tests/test_litellm/litellm_core_utils/test_exception_mapping_utils.py
@@ -1092,30 +1092,3 @@ def test_bedrock_mantle_context_overflow_maps_to_context_window_exceeded():
 
     assert excinfo.value.status_code == 400
     assert "prompt is too long: 1055489 tokens > 1050000 maximum" in excinfo.value.message
-
-
-@pytest.mark.parametrize(
-    "status_code, expected_class",
-    [(401, litellm.AuthenticationError), (429, litellm.RateLimitError)],
-)
-def test_a_base_llm_exception_without_a_provider_branch_maps_by_status_code(
-    status_code, expected_class, quiet_exception_mapping
-):
-    """Regression test for LIT-6164. Native /v1/messages handlers raise raw
-    BaseLLMException, and providers without an exception_type branch (e.g.
-    minimax) must keep the upstream status instead of collapsing every failure
-    into a 500 APIConnectionError once that route maps its exceptions."""
-    from litellm.llms.base_llm.chat.transformation import BaseLLMException
-
-    original_exception = BaseLLMException(status_code=status_code, message="upstream rejected the call")
-
-    with pytest.raises(expected_class) as excinfo:
-        exception_type(
-            model="MiniMax-M2.5",
-            original_exception=original_exception,
-            custom_llm_provider="minimax",
-        )
-
-    assert excinfo.value.status_code == status_code
-    assert excinfo.value.llm_provider == "minimax"
-    assert "MinimaxException" in excinfo.value.message