diff --git a/.rubocop.yml b/.rubocop.yml
index 4d0d4dd..f2fcd2a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -86,6 +86,15 @@ Layout/TrailingWhitespace:
 Layout/TrailingEmptyLines:
   Enabled: true
 
+Lint/AmbiguousOperator:
+  Enabled: true
+
+Lint/AmbiguousRegexpLiteral:
+  Enabled: true
+
+Lint/UselessAssignment:
+  Enabled: true
+
 Packaging/BundlerSetupInTests:
   Enabled: true
 
@@ -584,6 +593,7 @@ Style/FrozenStringLiteralComment:
   Enabled: true
   Exclude:
     - bin/console
+    - '**/*.arb'
 
 Style/HashSyntax:
   Enabled: true
diff --git a/spec/arbre/unit/component_spec.rb b/spec/arbre/unit/component_spec.rb
index 9019e50..19545cb 100644
--- a/spec/arbre/unit/component_spec.rb
+++ b/spec/arbre/unit/component_spec.rb
@@ -30,7 +30,7 @@ def build
   end
 
   it "renders the object using the builder method name" do
-    comp = expect(arbre {
+    expect(arbre {
       mock_component
     }.to_s).to eq <<~HTML
       <div>
diff --git a/spec/rails/templates/arbre/_partial.arb b/spec/rails/templates/arbre/_partial.arb
index 26cbc2b..3f46cbf 100644
--- a/spec/rails/templates/arbre/_partial.arb
+++ b/spec/rails/templates/arbre/_partial.arb
@@ -1,2 +1 @@
-# frozen_string_literal: true
 para "Hello from a partial"
diff --git a/spec/rails/templates/arbre/_partial_with_assignment.arb b/spec/rails/templates/arbre/_partial_with_assignment.arb
index 2ceeb02..95f003a 100644
--- a/spec/rails/templates/arbre/_partial_with_assignment.arb
+++ b/spec/rails/templates/arbre/_partial_with_assignment.arb
@@ -1,2 +1 @@
-# frozen_string_literal: true
 para "Partial: #{my_instance_var}"
diff --git a/spec/rails/templates/arbre/page_with_arb_partial_and_assignment.arb b/spec/rails/templates/arbre/page_with_arb_partial_and_assignment.arb
index 18f2628..c44516d 100644
--- a/spec/rails/templates/arbre/page_with_arb_partial_and_assignment.arb
+++ b/spec/rails/templates/arbre/page_with_arb_partial_and_assignment.arb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 h1 "Before Partial"
 render "arbre/partial_with_assignment"
 h2 "After Partial"
diff --git a/spec/rails/templates/arbre/page_with_assignment.arb b/spec/rails/templates/arbre/page_with_assignment.arb
index e3a0c41..c330d3b 100644
--- a/spec/rails/templates/arbre/page_with_assignment.arb
+++ b/spec/rails/templates/arbre/page_with_assignment.arb
@@ -1,2 +1 @@
-# frozen_string_literal: true
 h1 my_instance_var
diff --git a/spec/rails/templates/arbre/page_with_erb_partial.arb b/spec/rails/templates/arbre/page_with_erb_partial.arb
index 14cd344..8c47543 100644
--- a/spec/rails/templates/arbre/page_with_erb_partial.arb
+++ b/spec/rails/templates/arbre/page_with_erb_partial.arb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 h1 "Before Partial"
 render "erb/partial"
 h2 "After Partial"
diff --git a/spec/rails/templates/arbre/page_with_partial.arb b/spec/rails/templates/arbre/page_with_partial.arb
index 44142de..6e76693 100644
--- a/spec/rails/templates/arbre/page_with_partial.arb
+++ b/spec/rails/templates/arbre/page_with_partial.arb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 h1 "Before Partial"
 render "arbre/partial"
 h2 "After Partial"
diff --git a/spec/rails/templates/arbre/page_with_render_with_block.arb b/spec/rails/templates/arbre/page_with_render_with_block.arb
index e5c78e3..a5c4215 100644
--- a/spec/rails/templates/arbre/page_with_render_with_block.arb
+++ b/spec/rails/templates/arbre/page_with_render_with_block.arb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 render_in_object = Class.new do
   def render_in(_, &block)
     block.call
diff --git a/spec/rails/templates/arbre/simple_page.arb b/spec/rails/templates/arbre/simple_page.arb
index 9d4e2fe..04d7557 100644
--- a/spec/rails/templates/arbre/simple_page.arb
+++ b/spec/rails/templates/arbre/simple_page.arb
@@ -1,4 +1,3 @@
-# frozen_string_literal: true
 html do
   head do
   end