diff --git a/litellm/router.py b/litellm/router.py
index bc0b1280d12..45fadcbab4a 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -558,6 +558,11 @@ RETRY_BREADCRUMB_EXCLUDED_KWARGS: Final = frozenset(
 )
 
 
+def _without_target_order(kwargs: Mapping[str, object]) -> Mapping[str, object]:
+    """Drop the router-internal order-fallback target so it never reaches a provider call."""
+    return MappingProxyType({k: v for k, v in kwargs.items() if k != "_target_order"})
+
+
 class Router:
     model_names: set = set()
     cache_responses: bool | None = False
@@ -2172,9 +2177,8 @@ class Router:
                 "messages": messages,
                 "caching": self.cache_responses,
                 "client": model_client,
-                **kwargs,
+                **_without_target_order(kwargs),
             }
-            input_kwargs.pop("_target_order", None)
             response: Final = litellm.completion(**input_kwargs)
             verbose_router_logger.info("litellm.completion(model=%s)\x1b[32m 200 OK\x1b[0m", model_name)
 
@@ -3194,9 +3198,8 @@ class Router:
                 "messages": messages,
                 "caching": self.cache_responses,
                 "client": model_client,
-                **kwargs,
+                **_without_target_order(kwargs),
             }
-            input_kwargs.pop("_target_order", None)
             input_kwargs.pop("silent_model", None)
             input_kwargs.pop("include_fallback_errors", None)
 
@@ -4072,7 +4075,7 @@ class Router:
                     "prompt": prompt,
                     "caching": self.cache_responses,
                     "client": model_client,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
             self.success_calls[model_name] += 1
@@ -4132,7 +4135,7 @@ class Router:
                     "prompt": prompt,
                     "caching": self.cache_responses,
                     "client": model_client,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
 
@@ -4236,7 +4239,7 @@ class Router:
                     "file": file,
                     "caching": self.cache_responses,
                     "client": model_client,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
 
@@ -4889,7 +4892,7 @@ class Router:
             response_kwargs: Final = {
                 **data,
                 "caching": self.cache_responses,
-                **kwargs,
+                **_without_target_order(kwargs),
                 "model": model_name,
             }
             # Only set custom_llm_provider if it's not None
@@ -5339,7 +5342,7 @@ class Router:
                     **data,
                     "custom_llm_provider": custom_llm_provider,
                     "caching": self.cache_responses,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
 
@@ -5405,7 +5408,7 @@ class Router:
                     "input": input,
                     "caching": self.cache_responses,
                     "client": model_client,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
             self.success_calls[model_name] += 1
@@ -5468,7 +5471,7 @@ class Router:
                     "input": input,
                     "caching": self.cache_responses,
                     "client": model_client,
-                    **kwargs,
+                    **_without_target_order(kwargs),
                 }
             )
 
diff --git a/tests/test_litellm/test_router_order_fallback.py b/tests/test_litellm/test_router_order_fallback.py
index d74e0a6ffa4..042d724df0b 100644
--- a/tests/test_litellm/test_router_order_fallback.py
+++ b/tests/test_litellm/test_router_order_fallback.py
@@ -552,35 +552,48 @@ async def test_router_order_fallback_retries_keep_target_order():
     assert seen_target_orders.count(2) >= 2
 
 
+@pytest.mark.asyncio
+async def test_generic_api_call_strips_target_order_from_provider_kwargs():
+    captured: Final = {}
+
+    async def _fake_provider(**provider_kwargs):
+        captured.update(provider_kwargs)
+        return "ok"
+
+    router = Router(
+        model_list=[
+            {
+                "model_name": "test-model",
+                "litellm_params": {"model": "gpt-4o", "api_key": "key", "order": 2},
+                "model_info": {"id": "2"},
+            },
+        ],
+    )
+    response = await router._ageneric_api_call_with_fallbacks_helper(
+        model="test-model",
+        original_generic_function=_fake_provider,
+        _target_order=2,
+        messages=[{"role": "user", "content": "hi"}],
+    )
+    assert response == "ok"
+    assert captured["model"] == "gpt-4o"
+    assert "_target_order" not in captured
+
+
 def test_check_non_standard_fallback_format():
     from litellm.router_utils.fallback_event_handlers import (
         _check_non_standard_fallback_format,
     )
 
     # Standard formats
-    assert (
-        _check_non_standard_fallback_format([{"gpt-3.5-turbo": ["claude-3-haiku"]}])
-        == False
-    )
+    assert _check_non_standard_fallback_format([{"gpt-3.5-turbo": ["claude-3-haiku"]}]) == False
     assert _check_non_standard_fallback_format([{"model": ["qwen-backup"]}]) == False
-    assert (
-        _check_non_standard_fallback_format(
-            [{"model": ["qwen-backup"], "region": ["us-east-1"]}]
-        )
-        == False
-    )
+    assert _check_non_standard_fallback_format([{"model": ["qwen-backup"], "region": ["us-east-1"]}]) == False
 
     # Non-standard formats
     assert _check_non_standard_fallback_format([{"model": "qwen-backup"}]) == True
     assert (
-        _check_non_standard_fallback_format(
-            [{"model": "qwen-backup", "messages": [{"role": "user", "content": "hi"}]}]
-        )
-        == True
-    )
-    assert (
-        _check_non_standard_fallback_format(
-            [{"model": ["qwen-backup"], "api_key": "some-key"}]
-        )
+        _check_non_standard_fallback_format([{"model": "qwen-backup", "messages": [{"role": "user", "content": "hi"}]}])
         == True
     )
+    assert _check_non_standard_fallback_format([{"model": ["qwen-backup"], "api_key": "some-key"}]) == True