diff --git a/composer.json b/composer.json
index 55e010f..bef2ac2 100644
--- a/composer.json
+++ b/composer.json
@@ -16,8 +16,7 @@
     "autoload": {
         "files": [
             "inc/namespace.php",
-            "inc/consent/namespace.php",
-            "inc/gtm/namespace.php"
+            "inc/consent/namespace.php"
         ]
     },
     "extra": {
diff --git a/docs/consent/google-tag-manager.md b/docs/consent/google-tag-manager.md
index e8a2b99..ed02ffc 100644
--- a/docs/consent/google-tag-manager.md
+++ b/docs/consent/google-tag-manager.md
@@ -1,6 +1,41 @@
 # Google Tag Manager Consent Integration
 
-Support for Google Tag Manager is provided via GTM's data layer variable. When either the page loads or consent is subsequently changed the data layer is updated allowing you to create triggers based on the consent given.
+Support for Google Tag Manager (GTM) can be added via GTM's data layer variable.
+
+You will need to add the following PHP file to your application somewhere and load it. It can be a `mu-plugin`, or part of a theme for example.
+
+```php
+<?php
+/**
+ * Altis Consent Tag Manager Integration
+ */
+
+namespace Altis\Consent\GTM;
+
+add_action( 'wp_enqueue_scripts', __NAMESPACE__ . '\\enqueue_scripts', 11 );
+
+/**
+ * Add inline tag manager script to Consent API JS.
+ */
+function enqueue_scripts() {
+	wp_add_inline_script(
+		'altis-consent',
+		sprintf(
+			// Ensure data layer variable is available.
+			'var %1$s = window.%1$s || [];' .
+			// Push initial consented categories into data layer.
+			'%1$s.push( { event: \'altis-consent-changed\', altisConsent: Altis.Consent.getCategories().join( \', \' ) + \',\' } );' .
+			// Listen for updates to consented categories.
+			'document.addEventListener( \'wp_listen_for_consent_change\', function () { %1$s.push( { event: \'altis-consent-changed\', altisConsent: Altis.Consent.getCategories().join( \', \' ) + \',\' } ) } );',
+			// If using the HM GTM plugin this will ensure the right data layer variable name is used.
+			apply_filters( 'hm_gtm_data_layer_var', 'dataLayer' )
+		),
+		'after'
+	);
+}
+```
+
+When either the page loads or consent is subsequently changed the data layer is updated allowing you to create triggers based on the consent given.
 
 The event name is `altis-consent-changed` and the variable is named `altisConsent`. The variable data is a list of the [consent categories](./consent-api.md#consent-categories) currently given for example "functional, statistics-anonymous".
 
diff --git a/inc/gtm/namespace.php b/inc/gtm/namespace.php
deleted file mode 100644
index 4fd9a56..0000000
--- a/inc/gtm/namespace.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-/**
- * Altis Consent Google Tag Manager Integration
- *
- * @package altis/privacy
- */
-
-namespace Altis\Privacy\GTM;
-
-use Altis;
-
-/**
- * Kick it off.
- */
-function bootstrap() {
-	$config = Altis\get_config();
-	$gtm = $config['modules']['analytics']['google-tag-manager'] ?? '';
-
-	// Bail if we aren't using GTM.
-	if ( empty( $gtm ) ) {
-		return;
-	}
-
-	add_action( 'wp_enqueue_scripts', __NAMESPACE__ . '\\enqueue_scripts', 11 );
-}
-
-/**
- * Add inline tag manager script to Consent API JS.
- */
-function enqueue_scripts() {
-	wp_add_inline_script(
-		'altis-consent',
-		sprintf(
-			// Ensure data layer variable is available.
-			'var %1$s = window.%1$s || [];' .
-			// Push initial consented categories into data layer.
-			'%1$s.push( { event: \'altis-consent-changed\', altisConsent: Altis.Consent.getCategories().join( \', \' ) + \',\' } );' .
-			// Listen for updates to consented categories.
-			'document.addEventListener( \'wp_listen_for_consent_change\', function () { %1$s.push( { event: \'altis-consent-changed\', altisConsent: Altis.Consent.getCategories().join( \', \' ) + \',\' } ) } );',
-			// Documented in /vendor/humanmade/hm-gtm/inc/namespace.php.
-			apply_filters( 'hm_gtm_data_layer_var', 'dataLayer' )
-		),
-		'after'
-	);
-}
diff --git a/inc/namespace.php b/inc/namespace.php
index 5436b79..3e7ea03 100644
--- a/inc/namespace.php
+++ b/inc/namespace.php
@@ -12,5 +12,4 @@
  */
 function bootstrap() {
 	Consent\bootstrap();
-	GTM\bootstrap();
 }