diff --git a/packages/ember-glimmer/lib/component-managers/render.ts b/packages/ember-glimmer/lib/component-managers/render.ts
index 352dde6b538..eddba543e25 100644
--- a/packages/ember-glimmer/lib/component-managers/render.ts
+++ b/packages/ember-glimmer/lib/component-managers/render.ts
@@ -49,10 +49,6 @@ class SingletonRenderManager extends AbstractRenderManager {
       this._pushToDebugStack(`controller:${name} (with the render helper)`, env);
     }
 
-    if (dynamicScope.rootOutletState) {
-      dynamicScope.outletState = dynamicScope.rootOutletState.getOrphan(name);
-    }
-
     return { controller } as RenderState;
   }
 
@@ -76,10 +72,6 @@ class NonSingletonRenderManager extends AbstractRenderManager {
       this._pushToDebugStack(`controller:${name} (with the render helper)`, environment);
     }
 
-    if (dynamicScope.rootOutletState) {
-      dynamicScope.outletState = dynamicScope.rootOutletState.getOrphan(name);
-    }
-
     return { controller, model: modelRef };
   }
 
diff --git a/packages/ember-glimmer/lib/views/outlet.ts b/packages/ember-glimmer/lib/views/outlet.ts
index 238579daaa5..7ef31cd0a04 100644
--- a/packages/ember-glimmer/lib/views/outlet.ts
+++ b/packages/ember-glimmer/lib/views/outlet.ts
@@ -22,50 +22,11 @@ export class RootOutletStateReference implements VersionedPathReference<Option<O
     return this.outletView.outletState;
   }
 
-  getOrphan(name: string): VersionedPathReference<Option<OutletState>> {
-    return new OrphanedOutletStateReference(this, name);
-  }
-
   update(state: OutletState) {
     this.outletView.setOutletState(state);
   }
 }
 
-// So this is a relic of the past that SHOULD go away
-// in 3.0. Preferably it is deprecated in the release that
-// follows the Glimmer release.
-class OrphanedOutletStateReference extends RootOutletStateReference {
-  public root: any;
-  public name: string;
-
-  constructor(root: RootOutletStateReference, name: string) {
-    super(root.outletView);
-    this.root = root;
-    this.name = name;
-  }
-
-  value(): Option<OutletState> {
-    let rootState = this.root.value();
-
-    let orphans = rootState.outlets.main.outlets.__ember_orphans__;
-
-    if (!orphans) {
-      return null;
-    }
-
-    let matched = orphans.outlets[this.name];
-
-    if (!matched) {
-      return null;
-    }
-
-    let state = Object.create(null);
-    state[matched.render.outlet] = matched;
-    matched.wasUsed = true;
-    return { outlets: state, render: undefined };
-  }
-}
-
 class ChildOutletStateReference implements VersionedPathReference<any> {
   public parent: VersionedPathReference<any>;
   public key: string;
diff --git a/packages/ember-routing/lib/system/router.js b/packages/ember-routing/lib/system/router.js
index cfc42e13bd8..06eb28a27a6 100644
--- a/packages/ember-routing/lib/system/router.js
+++ b/packages/ember-routing/lib/system/router.js
@@ -1491,27 +1491,8 @@ function appendLiveRoute(liveRoutes, defaultParentState, renderOptions) {
   if (target) {
     set(target.outlets, renderOptions.outlet, myState);
   } else {
-    if (renderOptions.into) {
-      deprecate(
-        `Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated.`,
-        false,
-        {
-          id: 'ember-routing.top-level-render-helper',
-          until: '3.0.0',
-          url: 'https://emberjs.com/deprecations/v2.x/#toc_rendering-into-a-render-helper-that-resolves-to-an-outlet'
-        }
-      );
-
-      // Megahax time. Post-3.0-breaking-changes, we will just assert
-      // right here that the user tried to target a nonexistent
-      // thing. But for now we still need to support the `render`
-      // helper, and people are allowed to target templates rendered
-      // by the render helper. So instead we defer doing anyting with
-      // these orphan renders until afterRender.
-      appendOrphan(liveRoutes, renderOptions.into, myState);
-    } else {
-      liveRoutes = myState;
-    }
+    assert(`Cannot render into a {{render}} helper '${renderOptions.into}' that resolves to an {{outlet}}`, !renderOptions.into);
+    liveRoutes = myState;
   }
   return {
     liveRoutes,
@@ -1519,23 +1500,6 @@ function appendLiveRoute(liveRoutes, defaultParentState, renderOptions) {
   };
 }
 
-function appendOrphan(liveRoutes, into, myState) {
-  if (!liveRoutes.outlets.__ember_orphans__) {
-    liveRoutes.outlets.__ember_orphans__ = {
-      render: {
-        name: '__ember_orphans__'
-      },
-      outlets: Object.create(null)
-    };
-  }
-  liveRoutes.outlets.__ember_orphans__.outlets[into] = myState;
-  run.schedule('afterRender', () => {
-    // `wasUsed` gets set by the render helper.
-    assert(`You attempted to render into '${into}' but it was not found`,
-                 liveRoutes.outlets.__ember_orphans__.outlets[into].wasUsed);
-  });
-}
-
 function representEmptyRoute(liveRoutes, defaultParentState, route) {
   // the route didn't render anything
   let alreadyAppended = findLiveRoute(liveRoutes, route.routeName);
diff --git a/packages/ember/tests/routing/basic_test.js b/packages/ember/tests/routing/basic_test.js
index e6a6e129649..e93f983cc2b 100644
--- a/packages/ember/tests/routing/basic_test.js
+++ b/packages/ember/tests/routing/basic_test.js
@@ -1931,10 +1931,7 @@ QUnit.test('Route should tear down multiple outlets', function() {
   equal(jQuery('div.posts-footer:contains(postsFooter)', '#qunit-fixture').length, 0, 'The posts/footer template was removed');
 });
 
-
-QUnit.test('Route will assert if you try to explicitly render {into: ...} a missing template', function () {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
+QUnit.test('Route will assert if you try to explicitly render {into: ...} a {{render}} helper that resolves to an {{outlet}}', function () {
   Router.map(function() {
     this.route('home', { path: '/' });
   });
@@ -1945,7 +1942,7 @@ QUnit.test('Route will assert if you try to explicitly render {into: ...} a miss
     }
   });
 
-  expectAssertion(() => bootApplication(), 'You attempted to render into \'nonexistent\' but it was not found');
+  expectAssertion(() => bootApplication(), 'Cannot render into a {{render}} helper \'nonexistent\' that resolves to an {{outlet}}');
 });
 
 QUnit.test('Route supports clearing outlet explicitly', function() {
@@ -3083,204 +3080,6 @@ QUnit.test('Allows any route to disconnectOutlet another route\'s templates', fu
   equal(trim(jQuery('#qunit-fixture').text()), 'hi');
 });
 
-QUnit.test('Can this.render({into:...}) the render helper', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('sidebar', compile('<div class="sidebar">{{outlet}}</div>'));
-  setTemplate('index', compile('other'));
-  setTemplate('bar', compile('bar'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'sidebar' });
-    },
-    actions: {
-      changeToBar() {
-        this.disconnectOutlet({
-          parentView: 'sidebar',
-          outlet: 'main'
-        });
-        this.render('bar', { into: 'sidebar' });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .sidebar').text(), 'other');
-  run(router, 'send', 'changeToBar');
-  equal(jQuery('#qunit-fixture .sidebar').text(), 'bar');
-});
-
-QUnit.test('Can disconnect from the render helper', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('sidebar', compile('<div class="sidebar">{{outlet}}</div>'));
-  setTemplate('index', compile('other'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'sidebar' });
-    },
-    actions: {
-      disconnect: function() {
-        this.disconnectOutlet({
-          parentView: 'sidebar',
-          outlet: 'main'
-        });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .sidebar').text(), 'other');
-  run(router, 'send', 'disconnect');
-  equal(jQuery('#qunit-fixture .sidebar').text(), '');
-});
-
-QUnit.test('Can this.render({into:...}) the render helper\'s children', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('sidebar', compile('<div class="sidebar">{{outlet}}</div>'));
-  setTemplate('index', compile('<div class="index">{{outlet}}</div>'));
-  setTemplate('other', compile('other'));
-  setTemplate('bar', compile('bar'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'sidebar' });
-      this.render('other', { into: 'index' });
-    },
-    actions: {
-      changeToBar() {
-        this.disconnectOutlet({
-          parentView: 'index',
-          outlet: 'main'
-        });
-        this.render('bar', { into: 'index' });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .sidebar .index').text(), 'other');
-  run(router, 'send', 'changeToBar');
-  equal(jQuery('#qunit-fixture .sidebar .index').text(), 'bar');
-});
-
-QUnit.test('Can disconnect from the render helper\'s children', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('sidebar', compile('<div class="sidebar">{{outlet}}</div>'));
-  setTemplate('index', compile('<div class="index">{{outlet}}</div>'));
-  setTemplate('other', compile('other'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'sidebar' });
-      this.render('other', { into: 'index' });
-    },
-    actions: {
-      disconnect() {
-        this.disconnectOutlet({
-          parentView: 'index',
-          outlet: 'main'
-        });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .sidebar .index').text(), 'other');
-  run(router, 'send', 'disconnect');
-  equal(jQuery('#qunit-fixture .sidebar .index').text(), '');
-});
-
-QUnit.test('Can this.render({into:...}) nested render helpers', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  expectDeprecation(() => {
-    setTemplate('sidebar', compile('<div class="sidebar">{{render "cart"}}</div>'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('cart', compile('<div class="cart">{{outlet}}</div>'));
-  setTemplate('index', compile('other'));
-  setTemplate('baz', compile('baz'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'cart' });
-    },
-    actions: {
-      changeToBaz() {
-        this.disconnectOutlet({
-          parentView: 'cart',
-          outlet: 'main'
-        });
-        this.render('baz', { into: 'cart' });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .cart').text(), 'other');
-  run(router, 'send', 'changeToBaz');
-  equal(jQuery('#qunit-fixture .cart').text(), 'baz');
-});
-
-QUnit.test('Can disconnect from nested render helpers', function() {
-  expectDeprecation(/Rendering into a {{render}} helper that resolves to an {{outlet}} is deprecated./);
-
-  expectDeprecation(() => {
-    setTemplate('application', compile('{{render "sidebar"}}'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  expectDeprecation(() => {
-    setTemplate('sidebar', compile('<div class="sidebar">{{render "cart"}}</div>'));
-  }, /Please refactor [\w\{\}"` ]+ to a component/);
-
-  setTemplate('cart', compile('<div class="cart">{{outlet}}</div>'));
-  setTemplate('index', compile('other'));
-
-  App.IndexRoute = Route.extend({
-    renderTemplate() {
-      this.render({ into: 'cart' });
-    },
-    actions: {
-      disconnect() {
-        this.disconnectOutlet({
-          parentView: 'cart',
-          outlet: 'main'
-        });
-      }
-    }
-  });
-
-  bootApplication();
-  equal(jQuery('#qunit-fixture .cart').text(), 'other');
-  run(router, 'send', 'disconnect');
-  equal(jQuery('#qunit-fixture .cart').text(), '');
-});
-
 QUnit.test('Components inside an outlet have their didInsertElement hook invoked when the route is displayed', function(assert) {
   setTemplate('index', compile('{{#if showFirst}}{{my-component}}{{else}}{{other-component}}{{/if}}'));