diff --git a/.eslintrc b/.eslintrc
index 4514e41a9..80211e652 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -100,7 +100,20 @@
     "no-catch-shadow": "error",
     "no-delete-var": "error",
     "no-label-var": "error",
-    "no-restricted-globals": "off",
+    "no-restricted-globals": ["error",
+      {
+        "name": "ReadableStream",
+        "message": "Import it from `src/shared/util.js` or `pdfjsLib` instead; outside of the `/src` and `/web` folders, the rule may be disabled as needed. ",
+      },
+      {
+        "name": "URL",
+        "message": "Import it from `src/shared/util.js` or `pdfjsLib` instead; outside of the `/src` and `/web` folders, the rule may be disabled as needed. ",
+      },
+      {
+        "name": "WritableStream",
+        "message": "Import it from `src/shared/util.js` or `pdfjsLib` instead; outside of the `/src` and `/web` folders, the rule may be disabled as needed. ",
+      },
+    ],
     "no-shadow-restricted-names": "error",
     "no-shadow": "off",
     "no-undef-init": "error",
diff --git a/extensions/.eslintrc b/extensions/.eslintrc
new file mode 100644
index 000000000..a729eba0f
--- /dev/null
+++ b/extensions/.eslintrc
@@ -0,0 +1,9 @@
+{
+  "extends": [
+    ../.eslintrc
+  ],
+
+  "rules": {
+    "no-restricted-globals": "off",
+  },
+}
diff --git a/external/.eslintrc b/external/.eslintrc
index 073bd2583..7648ec705 100644
--- a/external/.eslintrc
+++ b/external/.eslintrc
@@ -9,7 +9,7 @@
 
   "rules": {
     "mozilla/use-includes-instead-of-indexOf": "off",
-
     "object-shorthand": "off",
+    "no-restricted-globals": "off",
   },
 }
diff --git a/src/.eslintrc b/src/.eslintrc
deleted file mode 100644
index e83cec899..000000000
--- a/src/.eslintrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "extends": [
-    ../.eslintrc
-  ],
-
-  "rules": {
-    // Variables
-    "no-restricted-globals": ["error",
-      "ReadableStream",
-      "URL",
-      "WritableStream",
-    ],
-  },
-}
diff --git a/systemjs.config.js b/systemjs.config.js
index 378d6f37f..e1501f4cc 100644
--- a/systemjs.config.js
+++ b/systemjs.config.js
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable no-restricted-globals */
 
 'use strict';
 
diff --git a/test/.eslintrc b/test/.eslintrc
index 30cdb53cc..23c10b9df 100644
--- a/test/.eslintrc
+++ b/test/.eslintrc
@@ -7,4 +7,8 @@
     "node": true,
     "jasmine": true,
   },
+
+  "rules": {
+    "no-restricted-globals": "off",
+  },
 }
diff --git a/web/.eslintrc b/web/.eslintrc
index 4add1b710..1c31729d5 100644
--- a/web/.eslintrc
+++ b/web/.eslintrc
@@ -4,13 +4,6 @@
   ],
 
   "rules": {
-    // Variables
-    "no-restricted-globals": ["error",
-      "ReadableStream",
-      "URL",
-      "WritableStream",
-    ],
-
     // ECMAScript 6
     "no-var": "error",
   },