diff --git a/pytorch3d/ops/cubify.py b/pytorch3d/ops/cubify.py
index b4b46491..e9200c9b 100644
--- a/pytorch3d/ops/cubify.py
+++ b/pytorch3d/ops/cubify.py
@@ -48,8 +48,6 @@ def ravel_index(idx, dims) -> torch.Tensor:
     return linind
 
 
-# pyre-fixme[56]: Decorator `torch.no_grad(...)` could not be called, because its
-#  type `no_grad` is not callable.
 @torch.no_grad()
 def cubify(voxels, thresh, device=None, align: str = "topleft") -> Meshes:
     r"""
diff --git a/pytorch3d/transforms/transform3d.py b/pytorch3d/transforms/transform3d.py
index cab6a5ff..4718780f 100644
--- a/pytorch3d/transforms/transform3d.py
+++ b/pytorch3d/transforms/transform3d.py
@@ -753,8 +753,6 @@ def _broadcast_bmm(a, b):
     return a.bmm(b)
 
 
-# pyre-fixme[56]: Decorator `torch.no_grad(...)` could not be called, because
-#  its type `no_grad` is not callable.
 @torch.no_grad()
 def _check_valid_rotation_matrix(R, tol: float = 1e-7):
     """