diff --git a/app/assets/javascripts/admin/models/admin-user.js.es6 b/app/assets/javascripts/admin/models/admin-user.js.es6
index ec230ffff48..39a2b7ee1dd 100644
--- a/app/assets/javascripts/admin/models/admin-user.js.es6
+++ b/app/assets/javascripts/admin/models/admin-user.js.es6
@@ -530,14 +530,11 @@ const AdminUser = Discourse.User.extend({
     }
   },
 
-  @computed("suspended_by")
-  suspendedBy: wrapAdmin,
+  @computed("suspended_by") suspendedBy: wrapAdmin,
 
-  @computed("silenced_by")
-  silencedBy: wrapAdmin,
+  @computed("silenced_by") silencedBy: wrapAdmin,
 
-  @computed("approved_by")
-  approvedBy: wrapAdmin
+  @computed("approved_by") approvedBy: wrapAdmin
 });
 
 AdminUser.reopenClass({
diff --git a/app/assets/javascripts/discourse/components/backup-codes.js.es6 b/app/assets/javascripts/discourse/components/backup-codes.js.es6
index 3df4b064b98..11457eb7369 100644
--- a/app/assets/javascripts/discourse/components/backup-codes.js.es6
+++ b/app/assets/javascripts/discourse/components/backup-codes.js.es6
@@ -31,8 +31,7 @@ export default Ember.Component.extend({
     }
   },
 
-  @computed("formattedBackupCodes")
-  base64BackupCode: b64EncodeUnicode,
+  @computed("formattedBackupCodes") base64BackupCode: b64EncodeUnicode,
 
   @computed("backupCodes")
   formattedBackupCodes(backupCodes) {
diff --git a/app/assets/javascripts/discourse/components/d-navigation.js.es6 b/app/assets/javascripts/discourse/components/d-navigation.js.es6
index dc1eee1c3c7..0ba2a852017 100644
--- a/app/assets/javascripts/discourse/components/d-navigation.js.es6
+++ b/app/assets/javascripts/discourse/components/d-navigation.js.es6
@@ -18,8 +18,7 @@ export default Ember.Component.extend({
     return hasDraft ? "topic.open_draft" : "topic.create";
   },
 
-  @computed("category.can_edit")
-  showCategoryEdit: canEdit => canEdit,
+  @computed("category.can_edit") showCategoryEdit: canEdit => canEdit,
 
   @computed("filterMode", "category", "noSubcategories")
   navItems(filterMode, category, noSubcategories) {
diff --git a/app/assets/javascripts/discourse/components/group-post.js.es6 b/app/assets/javascripts/discourse/components/group-post.js.es6
index f94f36dc8db..5a28daf92dd 100644
--- a/app/assets/javascripts/discourse/components/group-post.js.es6
+++ b/app/assets/javascripts/discourse/components/group-post.js.es6
@@ -1,6 +1,5 @@
 import computed from "ember-addons/ember-computed-decorators";
 
 export default Ember.Component.extend({
-  @computed("post.url")
-  postUrl: Discourse.getURL
+  @computed("post.url") postUrl: Discourse.getURL
 });
diff --git a/app/assets/javascripts/discourse/components/topic-entrance.js.es6 b/app/assets/javascripts/discourse/components/topic-entrance.js.es6
index 216f024fc60..997171aa97d 100644
--- a/app/assets/javascripts/discourse/components/topic-entrance.js.es6
+++ b/app/assets/javascripts/discourse/components/topic-entrance.js.es6
@@ -32,11 +32,9 @@ export default Ember.Component.extend(CleansUp, {
   topic: null,
   visible: null,
 
-  @computed("topic.created_at")
-  createdDate: createdAt => new Date(createdAt),
+  @computed("topic.created_at") createdDate: createdAt => new Date(createdAt),
 
-  @computed("topic.bumped_at")
-  bumpedDate: bumpedAt => new Date(bumpedAt),
+  @computed("topic.bumped_at") bumpedDate: bumpedAt => new Date(bumpedAt),
 
   @computed("createdDate", "bumpedDate")
   showTime(createdDate, bumpedDate) {
diff --git a/app/assets/javascripts/discourse/controllers/composer.js.es6 b/app/assets/javascripts/discourse/controllers/composer.js.es6
index f3f26754901..870f60b854e 100644
--- a/app/assets/javascripts/discourse/controllers/composer.js.es6
+++ b/app/assets/javascripts/discourse/controllers/composer.js.es6
@@ -287,8 +287,7 @@ export default Ember.Controller.extend({
     return authorizesOneOrMoreExtensions();
   },
 
-  @computed()
-  uploadIcon: () => uploadIcon(),
+  @computed() uploadIcon: () => uploadIcon(),
 
   actions: {
     cancelUpload() {
diff --git a/app/assets/javascripts/discourse/controllers/static.js.es6 b/app/assets/javascripts/discourse/controllers/static.js.es6
index 8238d5fad9f..6d3cbd2df15 100644
--- a/app/assets/javascripts/discourse/controllers/static.js.es6
+++ b/app/assets/javascripts/discourse/controllers/static.js.es6
@@ -7,8 +7,7 @@ export default Ember.Controller.extend({
 
   showLoginButton: Em.computed.equal("model.path", "login"),
 
-  @computed("model.path")
-  bodyClass: path => `static-${path}`,
+  @computed("model.path") bodyClass: path => `static-${path}`,
 
   @computed("model.path")
   showSignupButton() {
diff --git a/app/assets/javascripts/discourse/controllers/upload-selector.js.es6 b/app/assets/javascripts/discourse/controllers/upload-selector.js.es6
index b22674657bc..918128d0c23 100644
--- a/app/assets/javascripts/discourse/controllers/upload-selector.js.es6
+++ b/app/assets/javascripts/discourse/controllers/upload-selector.js.es6
@@ -25,11 +25,9 @@ export default Ember.Controller.extend(ModalFunctionality, {
   remote: Ember.computed.equal("selection", "remote"),
   selection: "local",
 
-  @computed()
-  uploadIcon: () => uploadIcon(),
+  @computed() uploadIcon: () => uploadIcon(),
 
-  @computed()
-  title: () => uploadTranslate("title"),
+  @computed() title: () => uploadTranslate("title"),
 
   @computed("selection")
   tip(selection) {
diff --git a/app/assets/javascripts/discourse/models/composer.js.es6 b/app/assets/javascripts/discourse/models/composer.js.es6
index 801b44c24c4..753c9bf7413 100644
--- a/app/assets/javascripts/discourse/models/composer.js.es6
+++ b/app/assets/javascripts/discourse/models/composer.js.es6
@@ -75,8 +75,7 @@ const Composer = RestModel.extend({
     return this.site.get("archetypes");
   }.property(),
 
-  @computed("action")
-  sharedDraft: action => action === CREATE_SHARED_DRAFT,
+  @computed("action") sharedDraft: action => action === CREATE_SHARED_DRAFT,
 
   @computed
   categoryId: {
@@ -134,8 +133,7 @@ const Composer = RestModel.extend({
 
   topicFirstPost: Em.computed.or("creatingTopic", "editingFirstPost"),
 
-  @computed("action")
-  editingPost: isEdit,
+  @computed("action") editingPost: isEdit,
 
   replyingToTopic: Em.computed.equal("action", REPLY),
 
diff --git a/app/assets/javascripts/discourse/models/nav-item.js.es6 b/app/assets/javascripts/discourse/models/nav-item.js.es6
index 6a9a782aeaf..ad4c0b16952 100644
--- a/app/assets/javascripts/discourse/models/nav-item.js.es6
+++ b/app/assets/javascripts/discourse/models/nav-item.js.es6
@@ -105,8 +105,7 @@ const NavItem = Discourse.Model.extend({
 });
 
 const ExtraNavItem = NavItem.extend({
-  @computed("href")
-  href: href => href,
+  @computed("href") href: href => href,
   customFilter: null
 });
 
diff --git a/app/assets/javascripts/discourse/models/user.js.es6 b/app/assets/javascripts/discourse/models/user.js.es6
index 94f972ca27a..74f103e551a 100644
--- a/app/assets/javascripts/discourse/models/user.js.es6
+++ b/app/assets/javascripts/discourse/models/user.js.es6
@@ -198,17 +198,13 @@ const User = RestModel.extend({
     return suspendedTill && moment(suspendedTill).isAfter();
   },
 
-  @computed("suspended_till")
-  suspendedForever: isForever,
+  @computed("suspended_till") suspendedForever: isForever,
 
-  @computed("silenced_till")
-  silencedForever: isForever,
+  @computed("silenced_till") silencedForever: isForever,
 
-  @computed("suspended_till")
-  suspendedTillDate: longDate,
+  @computed("suspended_till") suspendedTillDate: longDate,
 
-  @computed("silenced_till")
-  silencedTillDate: longDate,
+  @computed("silenced_till") silencedTillDate: longDate,
 
   changeUsername(new_username) {
     return ajax(
diff --git a/app/assets/javascripts/wizard/components/staff-count.js.es6 b/app/assets/javascripts/wizard/components/staff-count.js.es6
index 7677d999dea..17df6043d1c 100644
--- a/app/assets/javascripts/wizard/components/staff-count.js.es6
+++ b/app/assets/javascripts/wizard/components/staff-count.js.es6
@@ -1,6 +1,5 @@
 import computed from "ember-addons/ember-computed-decorators";
 
 export default Ember.Component.extend({
-  @computed("field.value")
-  showStaffCount: staffCount => staffCount > 1
+  @computed("field.value") showStaffCount: staffCount => staffCount > 1
 });
diff --git a/app/assets/javascripts/wizard/components/wizard-step-form.js.es6 b/app/assets/javascripts/wizard/components/wizard-step-form.js.es6
index a60d5b39cb4..ff2919bebb1 100644
--- a/app/assets/javascripts/wizard/components/wizard-step-form.js.es6
+++ b/app/assets/javascripts/wizard/components/wizard-step-form.js.es6
@@ -3,6 +3,5 @@ import computed from "ember-addons/ember-computed-decorators";
 export default Ember.Component.extend({
   classNameBindings: [":wizard-step-form", "customStepClass"],
 
-  @computed("step.id")
-  customStepClass: stepId => `wizard-step-${stepId}`
+  @computed("step.id") customStepClass: stepId => `wizard-step-${stepId}`
 });
diff --git a/app/assets/javascripts/wizard/components/wizard-step.js.es6 b/app/assets/javascripts/wizard/components/wizard-step.js.es6
index 4732548e8d7..d5fb39af769 100644
--- a/app/assets/javascripts/wizard/components/wizard-step.js.es6
+++ b/app/assets/javascripts/wizard/components/wizard-step.js.es6
@@ -31,8 +31,7 @@ export default Ember.Component.extend({
     this.autoFocus();
   },
 
-  @computed("step.index")
-  showQuitButton: index => index === 0,
+  @computed("step.index") showQuitButton: index => index === 0,
 
   @computed("step.displayIndex", "wizard.totalSteps")
   showNextButton: (current, total) => current < total,
@@ -40,8 +39,7 @@ export default Ember.Component.extend({
   @computed("step.displayIndex", "wizard.totalSteps")
   showDoneButton: (current, total) => current === total,
 
-  @computed("step.index")
-  showBackButton: index => index > 0,
+  @computed("step.index") showBackButton: index => index > 0,
 
   @computed("step.banner")
   bannerImage(src) {
diff --git a/app/assets/javascripts/wizard/mixins/valid-state.js.es6 b/app/assets/javascripts/wizard/mixins/valid-state.js.es6
index ee00842eace..cd3faa5e696 100644
--- a/app/assets/javascripts/wizard/mixins/valid-state.js.es6
+++ b/app/assets/javascripts/wizard/mixins/valid-state.js.es6
@@ -15,14 +15,11 @@ export default {
     this.set("_validState", States.UNCHECKED);
   },
 
-  @computed("_validState")
-  valid: state => state === States.VALID,
+  @computed("_validState") valid: state => state === States.VALID,
 
-  @computed("_validState")
-  invalid: state => state === States.INVALID,
+  @computed("_validState") invalid: state => state === States.INVALID,
 
-  @computed("_validState")
-  unchecked: state => state === States.UNCHECKED,
+  @computed("_validState") unchecked: state => state === States.UNCHECKED,
 
   setValid(valid, description) {
     this.set("_validState", valid ? States.VALID : States.INVALID);
diff --git a/app/assets/javascripts/wizard/models/step.js.es6 b/app/assets/javascripts/wizard/models/step.js.es6
index d465b553b46..fc1d0ac1f5c 100644
--- a/app/assets/javascripts/wizard/models/step.js.es6
+++ b/app/assets/javascripts/wizard/models/step.js.es6
@@ -5,8 +5,7 @@ import { ajax } from "wizard/lib/ajax";
 export default Ember.Object.extend(ValidState, {
   id: null,
 
-  @computed("index")
-  displayIndex: index => index + 1,
+  @computed("index") displayIndex: index => index + 1,
 
   @computed("fields.[]")
   fieldsById(fields) {
diff --git a/app/assets/javascripts/wizard/models/wizard.js.es6 b/app/assets/javascripts/wizard/models/wizard.js.es6
index d83ba58ef00..95fa48bfb03 100644
--- a/app/assets/javascripts/wizard/models/wizard.js.es6
+++ b/app/assets/javascripts/wizard/models/wizard.js.es6
@@ -4,8 +4,7 @@ import { ajax } from "wizard/lib/ajax";
 import computed from "ember-addons/ember-computed-decorators";
 
 const Wizard = Ember.Object.extend({
-  @computed("steps.length")
-  totalSteps: length => length,
+  @computed("steps.length") totalSteps: length => length,
 
   getTitle() {
     const titleStep = this.get("steps").findBy("id", "forum-title");
diff --git a/package.json b/package.json
index 2f0744c03db..0fc51ebb720 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "chrome-launcher": "^0.10.2",
     "chrome-remote-interface": "^0.25.6",
     "eslint": "^4.19.1",
-    "prettier": "^1.14.0",
+    "prettier": "^1.13.0",
     "puppeteer": "^1.4.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index ae7b736cce3..d908e1a0967 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -813,9 +813,9 @@ prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
 
-prettier@^1.14.0:
-  version "1.14.0"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.14.0.tgz#847c235522035fd988100f1f43cf20a7d24f9372"
+prettier@1.13.4:
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.4.tgz#31bbae6990f13b1093187c731766a14036fa72e6"
 
 process-nextick-args@~1.0.6:
   version "1.0.7"