diff --git a/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb b/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb
index 6967795f..fe66a296 100644
--- a/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb
+++ b/docs/tutorials/camera_position_optimization_with_differentiable_rendering.ipynb
@@ -520,7 +520,6 @@
     "        plt.figure()\n",
     "        plt.imshow(image[..., :3])\n",
     "        plt.title(\"iter: %d, loss: %0.2f\" % (i, loss.data))\n",
-    "        plt.grid(\"off\")\n",
     "        plt.axis(\"off\")\n",
     "    \n",
     "writer.close()"
diff --git a/docs/tutorials/fit_textured_mesh.ipynb b/docs/tutorials/fit_textured_mesh.ipynb
index 4e3287ad..3cdae2d6 100644
--- a/docs/tutorials/fit_textured_mesh.ipynb
+++ b/docs/tutorials/fit_textured_mesh.ipynb
@@ -97,7 +97,6 @@
     "import os\n",
     "import torch\n",
     "import matplotlib.pyplot as plt\n",
-    "from skimage.io import imread\n",
     "\n",
     "from pytorch3d.utils import ico_sphere\n",
     "import numpy as np\n",
@@ -464,7 +463,6 @@
     "    plt.subplot(1, 2, 2)\n",
     "    plt.imshow(target_image.cpu().detach().numpy())\n",
     "    plt.title(title)\n",
-    "    plt.grid(\"off\")\n",
     "    plt.axis(\"off\")\n",
     "\n",
     "# Plot losses as a function of optimization iteration\n",
diff --git a/docs/tutorials/render_colored_points.ipynb b/docs/tutorials/render_colored_points.ipynb
index 8d4858b5..6f034dbc 100644
--- a/docs/tutorials/render_colored_points.ipynb
+++ b/docs/tutorials/render_colored_points.ipynb
@@ -76,7 +76,6 @@
     "import torch\n",
     "import torch.nn.functional as F\n",
     "import matplotlib.pyplot as plt\n",
-    "from skimage.io import imread\n",
     "\n",
     "# Util function for loading point clouds|\n",
     "import numpy as np\n",
@@ -202,7 +201,6 @@
     "images = renderer(point_cloud)\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\")\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -229,7 +227,6 @@
     "\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\")\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -277,7 +274,6 @@
     "images = renderer(point_cloud)\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\")\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -303,7 +299,6 @@
     "images = renderer(point_cloud)\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\")\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -336,7 +331,6 @@
     "                  bg_col=torch.tensor([0.0, 1.0, 0.0, 1.0], dtype=torch.float32, device=device))\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\")\n",
     "plt.axis(\"off\");"
    ]
   },
diff --git a/docs/tutorials/render_textured_meshes.ipynb b/docs/tutorials/render_textured_meshes.ipynb
index e52afb44..85bb754f 100644
--- a/docs/tutorials/render_textured_meshes.ipynb
+++ b/docs/tutorials/render_textured_meshes.ipynb
@@ -102,7 +102,6 @@
     "import os\n",
     "import torch\n",
     "import matplotlib.pyplot as plt\n",
-    "from skimage.io import imread\n",
     "\n",
     "# Util function for loading meshes\n",
     "from pytorch3d.io import load_objs_as_meshes, load_obj\n",
@@ -283,7 +282,6 @@
     "plt.figure(figsize=(7,7))\n",
     "texture_image=mesh.textures.maps_padded()\n",
     "plt.imshow(texture_image.squeeze().cpu().numpy())\n",
-    "plt.grid(\"off\");\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -302,7 +300,6 @@
    "source": [
     "plt.figure(figsize=(7,7))\n",
     "texturesuv_image_matplotlib(mesh.textures, subsample=None)\n",
-    "plt.grid(\"off\");\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -405,7 +402,6 @@
     "images = renderer(mesh)\n",
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\");\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -456,7 +452,6 @@
    "source": [
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\");\n",
     "plt.axis(\"off\");"
    ]
   },
@@ -520,7 +515,6 @@
    "source": [
     "plt.figure(figsize=(10, 10))\n",
     "plt.imshow(images[0, ..., :3].cpu().numpy())\n",
-    "plt.grid(\"off\");\n",
     "plt.axis(\"off\");"
    ]
   },