diff --git a/nbs/src/arima.ipynb b/nbs/src/arima.ipynb
index c440e4a6f..d50f29fcd 100644
--- a/nbs/src/arima.ipynb
+++ b/nbs/src/arima.ipynb
@@ -744,7 +744,7 @@
     "        cn = nmxreg\n",
     "        orig_xreg = (ncxreg == 1) | (~mask[narma + np.arange(ncxreg)]).any()\n",
     "        if not orig_xreg:\n",
-    "            _, _, vt = np.linalg.svd(xreg[(~np.isnan(xreg)).all(1)])\n",
+    "            _, _, vt = np.linalg.svd(xreg[(~np.isnan(xreg)).all(1)], full_matrices=False)\n",
     "            xreg = np.matmul(xreg, vt)\n",
     "        dx = x\n",
     "        dxreg = xreg\n",
@@ -2390,7 +2390,7 @@
     "                xregg = xregg[:, ~constant_columns]\n",
     "            X = np.hstack([np.ones([xregg.shape[0], 1]), xregg])\n",
     "            X = X[~np.isnan(X).any(1)]\n",
-    "            _, sv, _ = np.linalg.svd(X)\n",
+    "            sv = np.linalg.svd(X, compute_uv=False)\n",
     "            if sv.min() / sv.sum() < np.finfo(np.float64).eps:\n",
     "                raise ValueError('xreg is rank deficient')\n",
     "            j = (~np.isnan(x)) & (~np.isnan(np.nansum(xregg, 1)))\n",