diff --git a/pytorch3d/io/experimental_gltf_io.py b/pytorch3d/io/experimental_gltf_io.py
index 7a42b0c0..f771744c 100644
--- a/pytorch3d/io/experimental_gltf_io.py
+++ b/pytorch3d/io/experimental_gltf_io.py
@@ -400,6 +400,7 @@ class _GLTFLoader:
                     None, None, :3
                 ]
             texture = TexturesUV(
+                # pyre-fixme[61]: `map` may not be initialized here.
                 maps=[map],  # alpha channel ignored
                 faces_uvs=[faces_uvs],
                 verts_uvs=[verts_uvs],
diff --git a/pytorch3d/loss/chamfer.py b/pytorch3d/loss/chamfer.py
index 6dd123fc..5b6d86f7 100644
--- a/pytorch3d/loss/chamfer.py
+++ b/pytorch3d/loss/chamfer.py
@@ -177,7 +177,6 @@ def chamfer_distance(
         )
 
         if is_x_heterogeneous:
-            # pyre-fixme[16]: `int` has no attribute `__setitem__`.
             cham_norm_x[x_mask] = 0.0
         if is_y_heterogeneous:
             cham_norm_y[y_mask] = 0.0
diff --git a/pytorch3d/loss/mesh_laplacian_smoothing.py b/pytorch3d/loss/mesh_laplacian_smoothing.py
index d2f6dc79..98037d60 100644
--- a/pytorch3d/loss/mesh_laplacian_smoothing.py
+++ b/pytorch3d/loss/mesh_laplacian_smoothing.py
@@ -124,6 +124,7 @@ def mesh_laplacian_smoothing(meshes, method: str = "uniform"):
     elif method == "cot":
         loss = L.mm(verts_packed) * norm_w - verts_packed
     elif method == "cotcurv":
+        # pyre-fixme[61]: `norm_w` may not be initialized here.
         loss = (L.mm(verts_packed) - L_sum * verts_packed) * norm_w
     loss = loss.norm(dim=1)
 
diff --git a/pytorch3d/ops/points_to_volumes.py b/pytorch3d/ops/points_to_volumes.py
index 6f1ddfae..4e29fec1 100644
--- a/pytorch3d/ops/points_to_volumes.py
+++ b/pytorch3d/ops/points_to_volumes.py
@@ -463,7 +463,6 @@ def round_points_to_volumes(
 
     # valid - binary indicators of votes that fall into the volume
     grid_sizes = grid_sizes.type_as(XYZ)
-    # pyre-fixme[16]: `int` has no attribute `long`.
     valid = (
         (0 <= X)
         * (X < grid_sizes_xyz[:, None, 0:1])
diff --git a/pytorch3d/ops/sample_points_from_meshes.py b/pytorch3d/ops/sample_points_from_meshes.py
index f29aee0f..09b1dc30 100644
--- a/pytorch3d/ops/sample_points_from_meshes.py
+++ b/pytorch3d/ops/sample_points_from_meshes.py
@@ -137,10 +137,14 @@ def sample_points_from_meshes(
     # return
     # TODO(gkioxari) consider returning a Pointclouds instance [breaking]
     if return_normals and return_textures:
+        # pyre-fixme[61]: `normals` may not be initialized here.
+        # pyre-fixme[61]: `textures` may not be initialized here.
         return samples, normals, textures
     if return_normals:  # return_textures is False
+        # pyre-fixme[61]: `normals` may not be initialized here.
         return samples, normals
     if return_textures:  # return_normals is False
+        # pyre-fixme[61]: `textures` may not be initialized here.
         return samples, textures
     return samples
 
diff --git a/pytorch3d/renderer/mesh/clip.py b/pytorch3d/renderer/mesh/clip.py
index d35e1a9a..fd2f6580 100644
--- a/pytorch3d/renderer/mesh/clip.py
+++ b/pytorch3d/renderer/mesh/clip.py
@@ -427,7 +427,6 @@ def clip_faces(
     # during rasterization anyway).
     faces_delta_cum = faces_delta.cumsum(0) - faces_delta
     delta = 1 + case4_unclipped.int() - case2_unclipped.int()
-    # pyre-ignore[16]
     faces_unclipped_to_clipped_idx = delta.cumsum(0) - delta
 
     ###########################################
diff --git a/pytorch3d/renderer/mesh/rasterize_meshes.py b/pytorch3d/renderer/mesh/rasterize_meshes.py
index cc65fbe0..e9d7fd89 100644
--- a/pytorch3d/renderer/mesh/rasterize_meshes.py
+++ b/pytorch3d/renderer/mesh/rasterize_meshes.py
@@ -248,7 +248,10 @@ def rasterize_meshes(
         # original unclipped faces.  This may involve converting barycentric
         # coordinates
         outputs = convert_clipped_rasterization_to_original_faces(
-            pix_to_face, barycentric_coords, clipped_faces
+            pix_to_face,
+            barycentric_coords,
+            # pyre-fixme[61]: `clipped_faces` may not be initialized here.
+            clipped_faces,
         )
         pix_to_face, barycentric_coords = outputs
 
@@ -612,7 +615,10 @@ def rasterize_meshes_python(  # noqa: C901
         # original unclipped faces.  This may involve converting barycentric
         # coordinates
         (face_idxs, bary_coords,) = convert_clipped_rasterization_to_original_faces(
-            face_idxs, bary_coords, clipped_faces
+            face_idxs,
+            bary_coords,
+            # pyre-fixme[61]: `clipped_faces` may not be initialized here.
+            clipped_faces,
         )
 
     return face_idxs, zbuf, bary_coords, pix_dists