diff --git a/packages/babel-compat-data/data/plugins.json b/packages/babel-compat-data/data/plugins.json
index 4919c18021c5..80f2fbfbb396 100644
--- a/packages/babel-compat-data/data/plugins.json
+++ b/packages/babel-compat-data/data/plugins.json
@@ -5,6 +5,7 @@
     "edge": "94",
     "firefox": "93",
     "node": "16.11",
+    "deno": "1.14",
     "electron": "15.0"
   },
   "proposal-class-static-block": {
@@ -23,6 +24,7 @@
     "firefox": "90",
     "safari": "15",
     "node": "16.9",
+    "deno": "1.9",
     "ios": "15",
     "electron": "13.0"
   },
@@ -44,6 +46,7 @@
     "firefox": "90",
     "safari": "14.1",
     "node": "12",
+    "deno": "1",
     "ios": "15",
     "samsung": "11",
     "electron": "6.0"
@@ -67,6 +70,7 @@
     "firefox": "90",
     "safari": "15",
     "node": "14.6",
+    "deno": "1",
     "ios": "15",
     "samsung": "14",
     "electron": "10.0"
@@ -90,6 +94,7 @@
     "firefox": "70",
     "safari": "13",
     "node": "12.5",
+    "deno": "1",
     "ios": "13",
     "samsung": "11",
     "rhino": "1.7.14",
@@ -115,6 +120,7 @@
     "firefox": "79",
     "safari": "14",
     "node": "15",
+    "deno": "1.2",
     "ios": "14",
     "samsung": "14",
     "electron": "10.0"
@@ -138,6 +144,7 @@
     "firefox": "72",
     "safari": "13.1",
     "node": "14",
+    "deno": "1",
     "ios": "13.4",
     "samsung": "13",
     "electron": "8.0"
@@ -161,6 +168,7 @@
     "firefox": "74",
     "safari": "13.1",
     "node": "16.9",
+    "deno": "1.9",
     "ios": "13.4",
     "electron": "13.0"
   },
@@ -182,6 +190,7 @@
     "firefox": "62",
     "safari": "12",
     "node": "10",
+    "deno": "1",
     "ios": "12",
     "samsung": "9",
     "rhino": "1.7.14",
@@ -207,6 +216,7 @@
     "firefox": "58",
     "safari": "11.1",
     "node": "10",
+    "deno": "1",
     "ios": "11.3",
     "samsung": "9",
     "electron": "3.0"
@@ -240,6 +250,7 @@
     "firefox": "57",
     "safari": "12",
     "node": "10",
+    "deno": "1",
     "ios": "12",
     "samsung": "8",
     "electron": "3.0"
@@ -263,6 +274,7 @@
     "firefox": "55",
     "safari": "11.1",
     "node": "8.3",
+    "deno": "1",
     "ios": "11.3",
     "samsung": "8",
     "electron": "2.0"
@@ -298,6 +310,7 @@
     "firefox": "78",
     "safari": "11.1",
     "node": "10",
+    "deno": "1",
     "ios": "11.3",
     "samsung": "9",
     "electron": "3.0"
diff --git a/packages/babel-compat-data/scripts/build-data.js b/packages/babel-compat-data/scripts/build-data.js
index 3ae6f15979a9..3c8106ac0ce5 100644
--- a/packages/babel-compat-data/scripts/build-data.js
+++ b/packages/babel-compat-data/scripts/build-data.js
@@ -2,7 +2,7 @@
 
 const path = require("path");
 const compatData = require("@mdn/browser-compat-data").javascript;
-const { process } = require("./build-modules-support");
+const { process: processData } = require("./build-modules-support");
 const {
   generateData,
   environments,
@@ -10,6 +10,10 @@ const {
   defineLegacyPluginAliases,
 } = require("./utils-build-data");
 
+if (process.cwd().endsWith("scripts")) {
+  throw new Error("Please run this script from the root of the package");
+}
+
 for (const target of ["plugin", "corejs2-built-in"]) {
   // We ignore 'overlapping' here, because it's already generated by
   // built-bugfixes-targets.js which has a complete view over all the
@@ -20,7 +24,7 @@ for (const target of ["plugin", "corejs2-built-in"]) {
   );
   if (target === "plugin") {
     // add export-namespace-from from @mdn/browser-compat-data
-    const exportNamespaceFromCompatData = process(
+    const exportNamespaceFromCompatData = processData(
       compatData.statements.export.namespace
     );
     // the node.js compat data is 12.0, the first node version ships `export *` behind a flag
diff --git a/packages/babel-preset-env/test/fixtures/preset-options-babel-7/deno-1_0/output.js b/packages/babel-preset-env/test/fixtures/preset-options-babel-7/deno-1_0/output.js
index 38ce452f7629..7145fbed83c1 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options-babel-7/deno-1_0/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options-babel-7/deno-1_0/output.js
@@ -1,7 +1,6 @@
 "use strict";
 
 var _selfBrandCheck = /*#__PURE__*/new WeakSet();
-
 // These syntaxes should be transpiled:
 // static {} / ??= / #self in / C?.#self
 // The class declaration and the static private property should not be transpiled
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/deno-1_0/output.js b/packages/babel-preset-env/test/fixtures/preset-options/deno-1_0/output.js
index 12efe69128d1..7145fbed83c1 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/deno-1_0/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/deno-1_0/output.js
@@ -1,11 +1,10 @@
 "use strict";
 
 var _selfBrandCheck = /*#__PURE__*/new WeakSet();
-
 // These syntaxes should be transpiled:
 // static {} / ??= / #self in / C?.#self
 // The class declaration and the static private property should not be transpiled
 class C {
   static #self = (_selfBrandCheck.add(this), C);
-  static #_ = C.#self ?? (C.#self = _selfBrandCheck.has(C?.#self));
+  static #_ = C.#self ?? (C.#self = _selfBrandCheck.has(C === null || C === void 0 ? void 0 : C.#self));
 }