diff --git a/src/pipecat/services/openai/realtime/events.py b/src/pipecat/services/openai/realtime/events.py
index 78faff45d..0aa1355e6 100644
--- a/src/pipecat/services/openai/realtime/events.py
+++ b/src/pipecat/services/openai/realtime/events.py
@@ -1003,7 +1003,6 @@ class TokenDetails(BaseModel):
     """
 
     model_config = ConfigDict(extra="allow")
-    __pydantic_extra__: dict[str, Any]
 
     cached_tokens: Optional[int] = 0
     text_tokens: Optional[int] = 0
diff --git a/src/pipecat/services/openai_realtime_beta/events.py b/src/pipecat/services/openai_realtime_beta/events.py
index ea4e738c2..596a11a3b 100644
--- a/src/pipecat/services/openai_realtime_beta/events.py
+++ b/src/pipecat/services/openai_realtime_beta/events.py
@@ -878,7 +878,6 @@ class TokenDetails(BaseModel):
     """
 
     model_config = ConfigDict(extra="allow")
-    __pydantic_extra__: dict[str, Any]
 
     cached_tokens: Optional[int] = 0
     text_tokens: Optional[int] = 0
diff --git a/src/pipecat/transports/daily/utils.py b/src/pipecat/transports/daily/utils.py
index 9ea02e203..e5bbca8c7 100644
--- a/src/pipecat/transports/daily/utils.py
+++ b/src/pipecat/transports/daily/utils.py
@@ -102,9 +102,6 @@ class DailyRoomProperties(BaseModel):
 
     model_config = ConfigDict(extra="allow")
 
-    # Pydantic v2.12+ requires explicit annotation for extra fields
-    __pydantic_extra__: dict[str, Any]
-
     exp: Optional[float] = None
     enable_chat: bool = False
     enable_prejoin_ui: bool = False