diff --git a/fastapi/_compat.py b/fastapi/_compat.py
index 629664cc1..8ea5bf253 100644
--- a/fastapi/_compat.py
+++ b/fastapi/_compat.py
@@ -116,9 +116,7 @@ if PYDANTIC_V2:
                 # end up building the type adapter from a model field annotation so we
                 # need to ignore the warning:
                 if PYDANTIC_VERSION_MINOR_TUPLE >= (2, 12):
-                    from pydantic.warnings import (  # type: ignore[attr-defined]
-                        UnsupportedFieldAttributeWarning,
-                    )
+                    from pydantic.warnings import UnsupportedFieldAttributeWarning
 
                     warnings.simplefilter(
                         "ignore", category=UnsupportedFieldAttributeWarning