diff --git a/docs/docs/getting-started/v3-migration.md b/docs/docs/getting-started/v3-migration.md
index 2fc9f141f..838f33629 100644
--- a/docs/docs/getting-started/v3-migration.md
+++ b/docs/docs/getting-started/v3-migration.md
@@ -102,6 +102,7 @@ A number of changes were made to the configuration options passed to the `Chart`
 * `defaultFontStyle` was renamed to `font.style`
 * `defaultLineHeight` was renamed to `font.lineHeight`
 * Horizontal Bar default tooltip mode was changed from `'index'` to `'nearest'` to match vertical bar charts
+* `legend`, `title` and `tooltip` namespaces were moved from `Chart.defaults` to `Chart.defaults.plugins`.
 
 #### Scales
 
diff --git a/src/core/core.defaults.js b/src/core/core.defaults.js
index 74730c45e..61663fd18 100644
--- a/src/core/core.defaults.js
+++ b/src/core/core.defaults.js
@@ -53,11 +53,7 @@ export class Defaults {
 		this.showLines = true;
 		this.plugins = {};
 		this.scale = undefined;
-		this.legend = undefined;
-		this.title = undefined;
-		this.tooltips = undefined;
 		this.doughnut = undefined;
-		this._routes = {};
 		this.scales = {};
 		this.controllers = undefined;
 	}