diff --git a/altair/utils/core.py b/altair/utils/core.py
index a1d81c39e..8df22b154 100644
--- a/altair/utils/core.py
+++ b/altair/utils/core.py
@@ -830,7 +830,6 @@ def from_channels(cls, channels: ModuleType, /) -> _ChannelCache:
     @classmethod
     def from_cache(cls) -> _ChannelCache:
         global _CHANNEL_CACHE
-        # FIXME: Hot try/except
         try:
             cached = _CHANNEL_CACHE
         except NameError:
diff --git a/altair/vegalite/v5/api.py b/altair/vegalite/v5/api.py
index c9d9d8b09..ae7428960 100644
--- a/altair/vegalite/v5/api.py
+++ b/altair/vegalite/v5/api.py
@@ -1803,7 +1803,6 @@ def to_dict(  # noqa: C901
         copy = _top_schema_base(self).copy(deep=False)
         original_data = getattr(copy, "data", Undefined)
         if not utils.is_undefined(original_data):
-            # FIXME: Hot try/except
             try:
                 data = _to_eager_narwhals_dataframe(original_data)
             except TypeError:
@@ -3419,7 +3418,6 @@ def _repr_mimebundle_(self, *args, **kwds) -> MimeBundleType | None:  # type:ign
         """Return a MIME bundle for display in Jupyter frontends."""
         # Catch errors explicitly to get around issues in Jupyter frontend
         # see https://github.com/ipython/ipython/issues/11038
-        # FIXME: Hot try/except
         try:
             dct = self.to_dict(context={"pre_transform": False})
         except Exception: