diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 68db59d..aa43bcb 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -78,7 +78,7 @@ Lint/UselessAssignment:
 
 # Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
 Metrics/AbcSize:
-  Max: 20
+  Max: 19
 
 # Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
 Metrics/MethodLength:
@@ -110,31 +110,11 @@ Packaging/RequireRelativeHardcodingLib:
     - 'spec/static_asset_finder_spec.rb'
     - 'spec/webpack_asset_finder_spec.rb'
 
-# This cop supports safe autocorrection (--autocorrect).
-Performance/CompareWithBlock:
-  Exclude:
-    - 'lib/inline_svg/cached_asset_file.rb'
-
-# This cop supports safe autocorrection (--autocorrect).
-Performance/ConstantRegexp:
-  Exclude:
-    - 'spec/inline_svg_spec.rb'
-
 # This cop supports unsafe autocorrection (--autocorrect-all).
 Performance/MapCompact:
   Exclude:
     - 'lib/inline_svg/transform_pipeline/transformations.rb'
 
-# This cop supports safe autocorrection (--autocorrect).
-Performance/RedundantSplitRegexpArgument:
-  Exclude:
-    - 'lib/inline_svg/transform_pipeline/transformations/size.rb'
-
-# This cop supports safe autocorrection (--autocorrect).
-Performance/StringReplacement:
-  Exclude:
-    - 'lib/inline_svg/transform_pipeline/transformations/data_attributes.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AutoCorrect.
 RSpec/BeEmpty:
@@ -386,12 +366,6 @@ Style/RedundantConstantBase:
     - 'spec/static_asset_finder_spec.rb'
     - 'spec/webpack_asset_finder_spec.rb'
 
-# This cop supports safe autocorrection (--autocorrect).
-Style/RedundantRegexpArgument:
-  Exclude:
-    - 'lib/inline_svg/transform_pipeline/transformations/data_attributes.rb'
-    - 'lib/inline_svg/transform_pipeline/transformations/size.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AllowMultipleReturnValues.
 Style/RedundantReturn:
diff --git a/lib/inline_svg/cached_asset_file.rb b/lib/inline_svg/cached_asset_file.rb
index b56b828..8f2aeab 100644
--- a/lib/inline_svg/cached_asset_file.rb
+++ b/lib/inline_svg/cached_asset_file.rb
@@ -18,7 +18,7 @@ def initialize(paths: [], filters: [])
       @paths = Array(paths).compact.map { |p| Pathname.new(p) }
       @filters = Array(filters).map { |f| Regexp.new(f) }
       @assets = @paths.reduce({}) { |assets, p| assets.merge(read_assets(assets, p)) }
-      @sorted_asset_keys = assets.keys.sort { |a, b| a.size <=> b.size }
+      @sorted_asset_keys = assets.keys.sort_by(&:size)
     end
 
     # Public: Finds the named asset and returns the contents as a string.
diff --git a/lib/inline_svg/transform_pipeline/transformations/data_attributes.rb b/lib/inline_svg/transform_pipeline/transformations/data_attributes.rb
index f9b8cd9..aecc42e 100644
--- a/lib/inline_svg/transform_pipeline/transformations/data_attributes.rb
+++ b/lib/inline_svg/transform_pipeline/transformations/data_attributes.rb
@@ -15,7 +15,7 @@ def with_valid_hash_from(hash)
     end
 
     def dasherize(string)
-      string.to_s.gsub(/_/, "-")
+      string.to_s.tr('_', "-")
     end
   end
 end
diff --git a/lib/inline_svg/transform_pipeline/transformations/size.rb b/lib/inline_svg/transform_pipeline/transformations/size.rb
index a87624a..66b4009 100644
--- a/lib/inline_svg/transform_pipeline/transformations/size.rb
+++ b/lib/inline_svg/transform_pipeline/transformations/size.rb
@@ -8,11 +8,11 @@ def transform(doc)
     end
 
     def width_of(value)
-      value.split(/\*/).map(&:strip)[0]
+      value.split("*").map(&:strip)[0]
     end
 
     def height_of(value)
-      value.split(/\*/).map(&:strip)[1] || width_of(value)
+      value.split("*").map(&:strip)[1] || width_of(value)
     end
   end
 end
diff --git a/spec/inline_svg_spec.rb b/spec/inline_svg_spec.rb
index 1efb338..18cbb59 100644
--- a/spec/inline_svg_spec.rb
+++ b/spec/inline_svg_spec.rb
@@ -104,7 +104,7 @@ def self.named(filename); end
           InlineSvg.configure do |config|
             config.add_custom_transformation(attribute: :irrelevant, transform: MyInvalidCustomTransformKlass)
           end
-        end.to raise_error(InlineSvg::Configuration::Invalid, /#{MyInvalidCustomTransformKlass} should implement the .create_with_value and #transform methods/)
+        end.to raise_error(InlineSvg::Configuration::Invalid, /#{MyInvalidCustomTransformKlass} should implement the .create_with_value and #transform methods/o)
       end
 
       it "rejects transformations that does not implement #transform" do
@@ -112,7 +112,7 @@ def self.named(filename); end
           InlineSvg.configure do |config|
             config.add_custom_transformation(attribute: :irrelevant, transform: MyInvalidCustomTransformInstance)
           end
-        end.to raise_error(InlineSvg::Configuration::Invalid, /#{MyInvalidCustomTransformInstance} should implement the .create_with_value and #transform methods/)
+        end.to raise_error(InlineSvg::Configuration::Invalid, /#{MyInvalidCustomTransformInstance} should implement the .create_with_value and #transform methods/o)
       end
 
       it "rejects transformations that are not classes" do