diff --git a/packages/language-ruby-on-rails/spec/grammar-spec.coffee b/packages/language-ruby-on-rails/spec/grammar-spec.coffee
deleted file mode 100644
index ab124745b..000000000
--- a/packages/language-ruby-on-rails/spec/grammar-spec.coffee
+++ /dev/null
@@ -1,29 +0,0 @@
-describe "Ruby on Rails package", ->
-  beforeEach ->
-    waitsForPromise ->
-      atom.packages.activatePackage("language-ruby-on-rails")
-
-  it "parses the HTML grammar", ->
-    grammar = atom.grammars.grammarForScopeName("text.html.ruby")
-    expect(grammar).toBeDefined()
-    expect(grammar.scopeName).toBe "text.html.ruby"
-
-  it "parses the JavaScript grammar", ->
-    grammar = atom.grammars.grammarForScopeName("source.js.rails source.js.jquery")
-    expect(grammar).toBeDefined()
-    expect(grammar.scopeName).toBe "source.js.rails source.js.jquery"
-
-  it "parses the RJS grammar", ->
-    grammar = atom.grammars.grammarForScopeName("source.ruby.rails.rjs")
-    expect(grammar).toBeDefined()
-    expect(grammar.scopeName).toBe "source.ruby.rails.rjs"
-
-  it "parses the Rails grammar", ->
-    grammar = atom.grammars.grammarForScopeName("source.ruby.rails")
-    expect(grammar).toBeDefined()
-    expect(grammar.scopeName).toBe "source.ruby.rails"
-
-  it "parses the SQL grammar", ->
-    grammar = atom.grammars.grammarForScopeName("source.sql.ruby")
-    expect(grammar).toBeDefined()
-    expect(grammar.scopeName).toBe "source.sql.ruby"
diff --git a/packages/language-ruby-on-rails/spec/grammar-spec.js b/packages/language-ruby-on-rails/spec/grammar-spec.js
index f3172dcef..200b03ec4 100644
--- a/packages/language-ruby-on-rails/spec/grammar-spec.js
+++ b/packages/language-ruby-on-rails/spec/grammar-spec.js
@@ -1,38 +1,34 @@
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
- */
-describe("Ruby on Rails package", function() {
+
+describe("Ruby on Rails package", () => {
   beforeEach(() => waitsForPromise(() => atom.packages.activatePackage("language-ruby-on-rails")));
 
-  it("parses the HTML grammar", function() {
+  it("parses the HTML grammar", () => {
     const grammar = atom.grammars.grammarForScopeName("text.html.ruby");
     expect(grammar).toBeDefined();
-    return expect(grammar.scopeName).toBe("text.html.ruby");
+    expect(grammar.scopeName).toBe("text.html.ruby");
   });
 
-  it("parses the JavaScript grammar", function() {
+  it("parses the JavaScript grammar", () => {
     const grammar = atom.grammars.grammarForScopeName("source.js.rails source.js.jquery");
     expect(grammar).toBeDefined();
-    return expect(grammar.scopeName).toBe("source.js.rails source.js.jquery");
+    expect(grammar.scopeName).toBe("source.js.rails source.js.jquery");
   });
 
-  it("parses the RJS grammar", function() {
+  it("parses the RJS grammar", () => {
     const grammar = atom.grammars.grammarForScopeName("source.ruby.rails.rjs");
     expect(grammar).toBeDefined();
-    return expect(grammar.scopeName).toBe("source.ruby.rails.rjs");
+    expect(grammar.scopeName).toBe("source.ruby.rails.rjs");
   });
 
-  it("parses the Rails grammar", function() {
+  it("parses the Rails grammar", () => {
     const grammar = atom.grammars.grammarForScopeName("source.ruby.rails");
     expect(grammar).toBeDefined();
-    return expect(grammar.scopeName).toBe("source.ruby.rails");
+    expect(grammar.scopeName).toBe("source.ruby.rails");
   });
 
-  return it("parses the SQL grammar", function() {
+  it("parses the SQL grammar", () => {
     const grammar = atom.grammars.grammarForScopeName("source.sql.ruby");
     expect(grammar).toBeDefined();
-    return expect(grammar.scopeName).toBe("source.sql.ruby");
+    expect(grammar.scopeName).toBe("source.sql.ruby");
   });
 });
diff --git a/packages/language-ruby-on-rails/spec/snippets-spec.coffee b/packages/language-ruby-on-rails/spec/snippets-spec.coffee
deleted file mode 100644
index 286641d0e..000000000
--- a/packages/language-ruby-on-rails/spec/snippets-spec.coffee
+++ /dev/null
@@ -1,29 +0,0 @@
-describe "Ruby on Rails snippets", ->
-  grammar = null
-
-  beforeEach ->
-    waitsForPromise ->
-      atom.packages.activatePackage("language-ruby-on-rails")
-
-    runs ->
-      grammar = atom.grammars.grammarForScopeName("source.ruby.rails")
-
-  it "tokenizes ActionMailer::Base", ->
-    railsMailer = 'class RailsMailer < ActionMailer::Base'
-    {tokens} = grammar.tokenizeLine railsMailer
-    expect(tokens[0]).toEqual value: railsMailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']
-
-  it "tokenizes ApplicationMailer", ->
-    rails5Mailer = 'class Rails5Mailer < ApplicationMailer'
-    {tokens} = grammar.tokenizeLine rails5Mailer
-    expect(tokens[0]).toEqual value: rails5Mailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']
-
-  it "tokenizes ActiveRecord::Base", ->
-    railsModel = 'class RailsModel < ActiveRecord::Base'
-    {tokens} = grammar.tokenizeLine railsModel
-    expect(tokens[0]).toEqual value: railsModel, scopes: ['source.ruby.rails', 'meta.rails.model']
-
-  it "tokenizes ApplicationRecord", ->
-    rails5Model = 'class Rails5Model < ApplicationRecord'
-    {tokens} = grammar.tokenizeLine rails5Model
-    expect(tokens[0]).toEqual value: rails5Model, scopes: ['source.ruby.rails', 'meta.rails.model']
diff --git a/packages/language-ruby-on-rails/spec/snippets-spec.js b/packages/language-ruby-on-rails/spec/snippets-spec.js
index 5421107e3..1c6aaabf5 100644
--- a/packages/language-ruby-on-rails/spec/snippets-spec.js
+++ b/packages/language-ruby-on-rails/spec/snippets-spec.js
@@ -1,38 +1,34 @@
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
- */
-describe("Ruby on Rails snippets", function() {
+
+describe("Ruby on Rails snippets", () => {
   let grammar = null;
 
-  beforeEach(function() {
+  beforeEach(() => {
     waitsForPromise(() => atom.packages.activatePackage("language-ruby-on-rails"));
 
-    return runs(() => grammar = atom.grammars.grammarForScopeName("source.ruby.rails"));
+    runs(() => grammar = atom.grammars.grammarForScopeName("source.ruby.rails"));
   });
 
-  it("tokenizes ActionMailer::Base", function() {
+  it("tokenizes ActionMailer::Base", () => {
     const railsMailer = 'class RailsMailer < ActionMailer::Base';
     const {tokens} = grammar.tokenizeLine(railsMailer);
-    return expect(tokens[0]).toEqual({value: railsMailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']});
+    expect(tokens[0]).toEqual({value: railsMailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']});
 });
 
-  it("tokenizes ApplicationMailer", function() {
+  it("tokenizes ApplicationMailer", () => {
     const rails5Mailer = 'class Rails5Mailer < ApplicationMailer';
     const {tokens} = grammar.tokenizeLine(rails5Mailer);
-    return expect(tokens[0]).toEqual({value: rails5Mailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']});
+    expect(tokens[0]).toEqual({value: rails5Mailer, scopes: ['source.ruby.rails', 'meta.rails.mailer']});
 });
 
-  it("tokenizes ActiveRecord::Base", function() {
+  it("tokenizes ActiveRecord::Base", () => {
     const railsModel = 'class RailsModel < ActiveRecord::Base';
     const {tokens} = grammar.tokenizeLine(railsModel);
-    return expect(tokens[0]).toEqual({value: railsModel, scopes: ['source.ruby.rails', 'meta.rails.model']});
+    expect(tokens[0]).toEqual({value: railsModel, scopes: ['source.ruby.rails', 'meta.rails.model']});
 });
 
-  return it("tokenizes ApplicationRecord", function() {
+  it("tokenizes ApplicationRecord", () => {
     const rails5Model = 'class Rails5Model < ApplicationRecord';
     const {tokens} = grammar.tokenizeLine(rails5Model);
-    return expect(tokens[0]).toEqual({value: rails5Model, scopes: ['source.ruby.rails', 'meta.rails.model']});
+    expect(tokens[0]).toEqual({value: rails5Model, scopes: ['source.ruby.rails', 'meta.rails.model']});
 });
 });