diff --git a/litellm/llms/vertex_ai/ocr/deepseek_transformation.py b/litellm/llms/vertex_ai/ocr/deepseek_transformation.py
index 1db454ad1f6..2603552152d 100644
--- a/litellm/llms/vertex_ai/ocr/deepseek_transformation.py
+++ b/litellm/llms/vertex_ai/ocr/deepseek_transformation.py
@@ -38,22 +38,6 @@ class VertexAIDeepSeekOCRConfig(BaseOCRConfig):
         super().__init__()
         self.vertex_base = VertexBase()
 
-    def get_supported_ocr_params(self, model: str) -> list[str]:  # mutable-ok: base contract
-        return ["stream", "temperature", "max_tokens", "top_p", "n", "stop"]  # mutable-ok: base contract
-
-    def map_ocr_params(
-        self,
-        non_default_params: dict[str, object],  # mutable-ok: base contract
-        optional_params: dict[str, object],  # mutable-ok: base contract
-        model: str,
-    ) -> dict[str, object]:  # mutable-ok: base contract
-        return {  # mutable-ok: base contract
-            **optional_params,
-            **{  # mutable-ok: base contract
-                key: value for key, value in non_default_params.items() if key in self.get_supported_ocr_params(model)
-            },
-        }
-
     def get_api_key_env_var(self) -> str | None:
         return VERTEX_AI_DEEPSEEK_OCR_API_KEY_ENV_VAR
 
@@ -193,9 +177,8 @@ class VertexAIDeepSeekOCRConfig(BaseOCRConfig):
             content_item = {"type": "image_url", "image_url": document_url}
 
         # Build DeepSeek OCR request
-        upstream_model: Final = model if model.startswith("deepseek-ai/") else f"deepseek-ai/{model}"
         data: Final = {
-            "model": upstream_model,
+            "model": "deepseek-ai/" + model,
             "messages": [{"role": "user", "content": [content_item]}],
         }
 
diff --git a/tests/test_litellm/ocr/fixtures/models.py b/tests/test_litellm/ocr/fixtures/models.py
index 95927c91ec0..95f020f104d 100644
--- a/tests/test_litellm/ocr/fixtures/models.py
+++ b/tests/test_litellm/ocr/fixtures/models.py
@@ -135,17 +135,11 @@ class AzureDocumentIntelligenceOcrSdkInput(OcrSdkInputBase):
 
 class VertexDeepSeekOcrSdkInput(OcrSdkInputBase):
     boundary: Literal["vertex_deepseek"] = "vertex_deepseek"
-    model: Literal["vertex_ai/deepseek-ai/deepseek-ocr-maas"] = "vertex_ai/deepseek-ai/deepseek-ocr-maas"
+    model: Literal["vertex_ai/deepseek-ocr-maas"] = "vertex_ai/deepseek-ocr-maas"
     document: MistralDocument
     custom_llm_provider: Literal["vertex_ai"] | None = None
     vertex_project: str
     vertex_location: str = "us-central1"
-    stream: bool | None = None
-    temperature: float | None = None
-    max_tokens: int | None = None
-    top_p: float | None = None
-    n: int | None = None
-    stop: str | list[str] | None = None
 
 
 def _validate_reducto_source(source: str) -> str:
diff --git a/tests/test_litellm/ocr/fixtures/vertex.py b/tests/test_litellm/ocr/fixtures/vertex.py
index 0b71a26a536..1fb36c7c665 100644
--- a/tests/test_litellm/ocr/fixtures/vertex.py
+++ b/tests/test_litellm/ocr/fixtures/vertex.py
@@ -33,41 +33,22 @@ def _as_vertex_mistral(case_input: MistralOcrSdkInput, project: str, location: s
 
 
 def _required_deepseek_inputs(project: str, location: str) -> tuple[VertexDeepSeekOcrSdkInput, ...]:
-    document: Final = image_document("invoice 123", 24)
-    common: Final = {"document": document, "vertex_project": project, "vertex_location": location}
-    cases: Final[tuple[dict[str, object], ...]] = (
-        {},
-        {"stream": False},
-        {"temperature": 0.5},
-        {"max_tokens": 256},
-        {"top_p": 0.9},
-        {"n": 1},
-        {"stop": ["END", "STOP"]},
+    return (
+        VertexDeepSeekOcrSdkInput(
+            document=image_document("invoice 123", 24),
+            vertex_project=project,
+            vertex_location=location,
+        ),
     )
-    return tuple(VertexDeepSeekOcrSdkInput.model_validate({**common, **case}) for case in cases)
 
 
 @st.composite
 def vertex_deepseek_input_strategy(draw: DrawFn, project: str, location: str) -> VertexDeepSeekOcrSdkInput:
-    optional_params: Final = draw(
-        st.fixed_dictionaries(
-            {},
-            optional={
-                "stream": st.just(False),
-                "temperature": st.sampled_from((0.0, 0.5, 1.0)),
-                "max_tokens": st.sampled_from((1, 256, 1024)),
-                "top_p": st.sampled_from((0.1, 0.9, 1.0)),
-                "n": st.just(1),
-                "stop": st.sampled_from(("END", ["END", "STOP"])),
-            },
-        )
-    )
     return VertexDeepSeekOcrSdkInput.model_validate(
         {
             "document": draw(public_document_strategy()),
             "vertex_project": project,
             "vertex_location": location,
-            **optional_params,
         }
     )
 
diff --git a/tests/test_litellm/ocr/test_fixture_models.py b/tests/test_litellm/ocr/test_fixture_models.py
index fc563ed657d..26264a97b6d 100644
--- a/tests/test_litellm/ocr/test_fixture_models.py
+++ b/tests/test_litellm/ocr/test_fixture_models.py
@@ -82,37 +82,10 @@ def test_reducto_fixture_fields_match_provider_configs() -> None:
 
 def test_deepseek_fixture_fields_match_provider_config() -> None:
     assert _provider_fields(VertexDeepSeekOcrSdkInput) == _supported_params(
-        VertexAIDeepSeekOCRConfig(), "deepseek-ai/deepseek-ocr-maas"
+        VertexAIDeepSeekOCRConfig(), "deepseek-ocr-maas"
     )
 
 
-def test_deepseek_maps_litellm_params_without_duplicating_model_namespace() -> None:
-    config: Final = VertexAIDeepSeekOCRConfig()
-    optional_params: Final = config.map_ocr_params(
-        non_default_params={"temperature": 0.5, "max_tokens": 256},
-        optional_params={},
-        model="deepseek-ai/deepseek-ocr-maas",
-    )
-    request: Final = config.transform_ocr_request(
-        model="deepseek-ai/deepseek-ocr-maas",
-        document={"type": "image_url", "image_url": "gs://bucket/document.png"},
-        optional_params=optional_params,
-        headers={},
-    )
-
-    assert request.data == {
-        "model": "deepseek-ai/deepseek-ocr-maas",
-        "messages": [
-            {
-                "role": "user",
-                "content": [{"type": "image_url", "image_url": "gs://bucket/document.png"}],
-            }
-        ],
-        "temperature": 0.5,
-        "max_tokens": 256,
-    }
-
-
 @pytest.mark.parametrize(
     "sdk_input",
     (