diff --git a/13_convolutional_neural_networks.ipynb b/13_convolutional_neural_networks.ipynb
index 6fd6381..ac7b53f 100644
--- a/13_convolutional_neural_networks.ipynb
+++ b/13_convolutional_neural_networks.ipynb
@@ -144,7 +144,6 @@
     "fmap = np.zeros(shape=(7, 7, 1, 2), dtype=np.float32)\n",
     "fmap[:, 3, 0, 0] = 1\n",
     "fmap[3, :, 0, 1] = 1\n",
-    "fmap[:, :, 0, 0]\n",
     "plot_image(fmap[:, :, 0, 0])\n",
     "plt.show()\n",
     "plot_image(fmap[:, :, 0, 1])\n",