diff --git a/docs/breaking-changes.md b/docs/breaking-changes.md
index 7d4821bdf7..15ff7ceae2 100644
--- a/docs/breaking-changes.md
+++ b/docs/breaking-changes.md
@@ -70,6 +70,9 @@ npm install electron --save-dev
 ELECTRON_INSTALL_PLATFORM=mas npx electron . --no
 ```
 
+This also means the `ELECTRON_SKIP_BINARY_DOWNLOAD` environment variable is no
+longer supported, as its primary purpose was to prevent the `postinstall` script from running.
+
 ### Removed: `quotas` object from `Session.clearStorageData(options)`
 
 When calling `Session.clearStorageData(options)`, the `options.quotas` object is no longer supported because it has been
diff --git a/docs/tutorial/installation.md b/docs/tutorial/installation.md
index 557d16f2fc..7f798a8ad9 100644
--- a/docs/tutorial/installation.md
+++ b/docs/tutorial/installation.md
@@ -25,16 +25,6 @@ included in the `electron` package:
 npx install-electron --no
 ```
 
-If you want to install your project's dependencies but don't need to use
-Electron functionality, you can set the `ELECTRON_SKIP_BINARY_DOWNLOAD` environment
-variable to prevent the binary from being downloaded. For instance, this feature can
-be useful in continuous integration environments when running unit tests that mock
-out the `electron` module.
-
-```sh
-ELECTRON_SKIP_BINARY_DOWNLOAD=1 npm install
-```
-
 ## Running Electron ad-hoc
 
 If you're in a pinch and would prefer to not use `npm install` in your local
diff --git a/npm/install.js b/npm/install.js
index 716936591b..5f56d8f632 100755
--- a/npm/install.js
+++ b/npm/install.js
@@ -11,10 +11,6 @@ const path = require('path');
 
 const { version } = require('./package');
 
-if (process.env.ELECTRON_SKIP_BINARY_DOWNLOAD) {
-  process.exit(0);
-}
-
 const platformPath = getPlatformPath();
 
 if (isInstalled()) {