diff --git a/litellm/integrations/otel/mappers/langfuse.py b/litellm/integrations/otel/mappers/langfuse.py
index ae8c26721d8..e76cffde881 100644
--- a/litellm/integrations/otel/mappers/langfuse.py
+++ b/litellm/integrations/otel/mappers/langfuse.py
@@ -17,7 +17,7 @@ from typing import Final
 from litellm.integrations.otel.mappers.base import AttributeMap, AttrValue, SpanData
 from litellm.integrations.otel.mappers.utils import (
     collect,
-    drop_none,
+    drop_none_pairs,
     json_if,
     output_messages,
     serialize_messages,
@@ -84,13 +84,13 @@ class LangfuseMapper:
 
     @staticmethod
     def trace_attributes(trace: TraceControls) -> AttributeMap:
-        return drop_none(
-            {
-                LANGFUSE_TRACE_NAME: trace.name or None,
-                LANGFUSE_TRACE_USER_ID: trace.user_id or None,
-                LANGFUSE_TRACE_SESSION_ID: trace.session_id or None,
-                LANGFUSE_TRACE_TAGS: trace.tags or None,
-            }
+        return drop_none_pairs(
+            (
+                (LANGFUSE_TRACE_NAME, trace.name or None),
+                (LANGFUSE_TRACE_USER_ID, trace.user_id or None),
+                (LANGFUSE_TRACE_SESSION_ID, trace.session_id or None),
+                (LANGFUSE_TRACE_TAGS, trace.tags or None),
+            )
         )
 
     @classmethod
diff --git a/litellm/integrations/otel/mappers/utils.py b/litellm/integrations/otel/mappers/utils.py
index c023621d2ef..f8644765f59 100644
--- a/litellm/integrations/otel/mappers/utils.py
+++ b/litellm/integrations/otel/mappers/utils.py
@@ -6,7 +6,7 @@ they live in one place.
 """
 
 import json
-from collections.abc import Callable, Mapping, Sequence
+from collections.abc import Callable, Iterable, Mapping, Sequence
 from typing import Final
 
 from litellm.integrations.otel.mappers.base import AttributeMap, AttrValue
@@ -47,7 +47,12 @@ def tool_attr_budget(vocabularies: int) -> int:
 
 def drop_none(values: Mapping[str, AttrValue | None]) -> AttributeMap:
     """Return ``values`` with ``None``-valued entries removed."""
-    return {k: v for k, v in values.items() if v is not None}
+    return drop_none_pairs(values.items())
+
+
+def drop_none_pairs(pairs: Iterable[tuple[str, AttrValue | None]]) -> AttributeMap:
+    """Return ``pairs`` as a map with ``None``-valued entries removed."""
+    return {k: v for k, v in pairs if v is not None}
 
 
 def tool_definition_attrs(
diff --git a/litellm/integrations/otel/model/trace_controls.py b/litellm/integrations/otel/model/trace_controls.py
index 884c51a420b..eac7b5c897b 100644
--- a/litellm/integrations/otel/model/trace_controls.py
+++ b/litellm/integrations/otel/model/trace_controls.py
@@ -32,7 +32,7 @@ def caller_trace_controls(kwargs: Mapping[str, object]) -> TraceControls:
     if request is None:
         return TraceControls()
     proxy_request: Final = as_str_mapping(request.get("proxy_server_request"))
-    headers: Final = (as_str_mapping(proxy_request.get("headers")) if proxy_request is not None else None) or {}
+    headers: Final = as_str_mapping(proxy_request.get("headers")) if proxy_request is not None else None
     bodies: Final = tuple(
         metadata
         for key in ("metadata", "litellm_metadata")
@@ -40,7 +40,7 @@ def caller_trace_controls(kwargs: Mapping[str, object]) -> TraceControls:
     )
 
     def scalar(control: str) -> str | None:
-        from_header: Final = as_str(headers.get(f"{LANGFUSE_HEADER_PREFIX}{control}"))
+        from_header: Final = as_str(headers.get(f"{LANGFUSE_HEADER_PREFIX}{control}")) if headers is not None else None
         if from_header:
             return from_header
         return next((value for body in bodies if (value := as_str(body.get(control)))), None)