diff --git src/wp-admin/js/revisions.js src/wp-admin/js/revisions.js
index 521e55c..8fd39f5 100644
--- src/wp-admin/js/revisions.js
+++ src/wp-admin/js/revisions.js
@@ -1097,8 +1097,14 @@ window.wp = window.wp || {};
 		}
 	});
 
-	// Initialize the revisions UI.
+	/**
+	 * Initialize the revisions UI for revision.php.
+	 */
 	revisions.init = function() {
+		// Bail if the current page is not revision.php.
+		if ( ! window.adminpage || window.adminpage != 'revision-php' )
+			return;
+
 		revisions.view.frame = new revisions.view.Frame({
 			model: new revisions.model.FrameState({}, {
 				revisions: new revisions.model.Revisions( revisions.settings.revisionData )