diff --git a/src/dropdown.ts b/src/dropdown.ts
index 0956f33634..168cb2e7fc 100644
--- a/src/dropdown.ts
+++ b/src/dropdown.ts
@@ -641,7 +641,4 @@ export class Dropdown extends Component<DropdownOptions> implements Openable {
     }
   }
 
-  static {
-    Dropdown._dropdowns = [];
-  }
 }
diff --git a/src/global.ts b/src/global.ts
index 9c292096a4..d53f897088 100644
--- a/src/global.ts
+++ b/src/global.ts
@@ -46,7 +46,7 @@ export class M {
   static Slider: typeof Slider = Slider;
   static Timepicker: typeof Timepicker = Timepicker;
   /** Creates a toast. */
-  static toast: (opt: ToastOptions) => Toast = (opt) => new Toast(opt) ;
+  static toast: (opt: Partial<ToastOptions>) => Toast = (opt) => new Toast(opt) ;
   static Tooltip: typeof Tooltip = Tooltip;
   static Sidenav: typeof Sidenav = Sidenav;
   static TapTarget: typeof TapTarget = TapTarget;
@@ -73,24 +73,24 @@ export class M {
    */
   static AutoInit(context: HTMLElement = document.body) {
     let registry = {
-      Autocomplete: <NodeListOf<HTMLElement>>context.querySelectorAll('.autocomplete:not(.no-autoinit)'),
-      Carousel: <NodeListOf<HTMLElement>>context.querySelectorAll('.carousel:not(.no-autoinit)'),
-      Chips: <NodeListOf<HTMLElement>>context.querySelectorAll('.chips:not(.no-autoinit)'),
-      Collapsible: <NodeListOf<HTMLElement>>context.querySelectorAll('.collapsible:not(.no-autoinit)'),
-      Datepicker: <NodeListOf<HTMLElement>>context.querySelectorAll('.datepicker:not(.no-autoinit)'),
-      Dropdown: <NodeListOf<HTMLElement>>context.querySelectorAll('.dropdown-trigger:not(.no-autoinit)'),
-      Materialbox: <NodeListOf<HTMLElement>>context.querySelectorAll('.materialboxed:not(.no-autoinit)'),
-      Modal: <NodeListOf<HTMLElement>>context.querySelectorAll('.modal:not(.no-autoinit)'),
-      Parallax: <NodeListOf<HTMLElement>>context.querySelectorAll('.parallax:not(.no-autoinit)'),
-      Pushpin: <NodeListOf<HTMLElement>>context.querySelectorAll('.pushpin:not(.no-autoinit)'),
-      ScrollSpy: <NodeListOf<HTMLElement>>context.querySelectorAll('.scrollspy:not(.no-autoinit)'),
-      FormSelect: <NodeListOf<HTMLElement>>context.querySelectorAll('select:not(.no-autoinit)'),
-      Sidenav: <NodeListOf<HTMLElement>>context.querySelectorAll('.sidenav:not(.no-autoinit)'),
-      Tabs: <NodeListOf<HTMLElement>>context.querySelectorAll('.tabs:not(.no-autoinit)'),
-      TapTarget: <NodeListOf<HTMLElement>>context.querySelectorAll('.tap-target:not(.no-autoinit)'),
-      Timepicker: <NodeListOf<HTMLElement>>context.querySelectorAll('.timepicker:not(.no-autoinit)'),
-      Tooltip: <NodeListOf<HTMLElement>>context.querySelectorAll('.tooltipped:not(.no-autoinit)'),
-      FloatingActionButton: <NodeListOf<HTMLElement>>context.querySelectorAll('.fixed-action-btn:not(.no-autoinit)'),
+      Autocomplete: context.querySelectorAll('.autocomplete:not(.no-autoinit)'),
+      Carousel: context.querySelectorAll('.carousel:not(.no-autoinit)'),
+      Chips: context.querySelectorAll('.chips:not(.no-autoinit)'),
+      Collapsible: context.querySelectorAll('.collapsible:not(.no-autoinit)'),
+      Datepicker: context.querySelectorAll('.datepicker:not(.no-autoinit)'),
+      Dropdown: context.querySelectorAll('.dropdown-trigger:not(.no-autoinit)'),
+      Materialbox: context.querySelectorAll('.materialboxed:not(.no-autoinit)'),
+      Modal: context.querySelectorAll('.modal:not(.no-autoinit)'),
+      Parallax: context.querySelectorAll('.parallax:not(.no-autoinit)'),
+      Pushpin: context.querySelectorAll('.pushpin:not(.no-autoinit)'),
+      ScrollSpy: context.querySelectorAll('.scrollspy:not(.no-autoinit)'),
+      FormSelect: context.querySelectorAll('select:not(.no-autoinit)'),
+      Sidenav: context.querySelectorAll('.sidenav:not(.no-autoinit)'),
+      Tabs: context.querySelectorAll('.tabs:not(.no-autoinit)'),
+      TapTarget: context.querySelectorAll('.tap-target:not(.no-autoinit)'),
+      Timepicker: context.querySelectorAll('.timepicker:not(.no-autoinit)'),
+      Tooltip: context.querySelectorAll('.tooltipped:not(.no-autoinit)'),
+      FloatingActionButton: context.querySelectorAll('.fixed-action-btn:not(.no-autoinit)'),
     };
     M.Autocomplete.init(registry.Autocomplete, {});
     M.Carousel.init(registry.Carousel, {});