diff --git a/.rubocop.yml b/.rubocop.yml
index 7e5adc8643..e228e2cbf9 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -202,6 +202,9 @@ Style/RaiseArgs:
 Style/RedundantArgument:
   Enabled: true
 
+Style/RedundantParentheses:
+  Enabled: false
+
 Style/RedundantSelfAssignmentBranch:
   Enabled: true
 
diff --git a/lib/rails_admin/adapters/active_record.rb b/lib/rails_admin/adapters/active_record.rb
index 1c165d265a..e3a8f5bc2e 100644
--- a/lib/rails_admin/adapters/active_record.rb
+++ b/lib/rails_admin/adapters/active_record.rb
@@ -172,7 +172,7 @@ def query_scope(scope, query, fields = config.list.fields.select(&:queryable?))
       # "0055" is the filter index, no use here. o is the operator, v the value
       def filter_scope(scope, filters, fields = config.list.fields.select(&:filterable?))
         filters.each_pair do |field_name, filters_dump|
-          filters_dump.each do |_, filter_dump|
+          filters_dump.each_value do |filter_dump|
             wb = WhereBuilder.new(scope)
             field = fields.detect { |f| f.name.to_s == field_name }
             value = parse_field_value(field, filter_dump[:v])
@@ -256,7 +256,8 @@ def build_statement_for_type
 
         def build_statement_for_boolean
           return ["(#{@column} IS NULL OR #{@column} = ?)", false] if %w[false f 0].include?(@value)
-          return ["(#{@column} = ?)", true] if %w[true t 1].include?(@value)
+
+          ["(#{@column} = ?)", true] if %w[true t 1].include?(@value)
         end
 
         def column_for_value(value)
diff --git a/lib/rails_admin/adapters/active_record/association.rb b/lib/rails_admin/adapters/active_record/association.rb
index c31d00e48f..8825887372 100644
--- a/lib/rails_admin/adapters/active_record/association.rb
+++ b/lib/rails_admin/adapters/active_record/association.rb
@@ -71,9 +71,9 @@ def foreign_inverse_of
         def key_accessor
           case type
           when :has_many, :has_and_belongs_to_many
-            "#{name.to_s.singularize}_ids".to_sym
+            :"#{name.to_s.singularize}_ids"
           when :has_one
-            "#{name}_id".to_sym
+            :"#{name}_id"
           else
             foreign_key
           end
diff --git a/lib/rails_admin/adapters/mongoid.rb b/lib/rails_admin/adapters/mongoid.rb
index 7aa947fa59..ac46f5d3b0 100644
--- a/lib/rails_admin/adapters/mongoid.rb
+++ b/lib/rails_admin/adapters/mongoid.rb
@@ -152,7 +152,7 @@ def filter_scope(scope, filters, fields = config.list.fields.select(&:filterable
         statements = []
 
         filters.each_pair do |field_name, filters_dump|
-          filters_dump.each do |_, filter_dump|
+          filters_dump.each_value do |filter_dump|
             field = fields.detect { |f| f.name.to_s == field_name }
             next unless field
 
@@ -251,7 +251,8 @@ def build_statement_for_type
 
         def build_statement_for_boolean
           return {@column => false} if %w[false f 0].include?(@value)
-          return {@column => true} if %w[true t 1].include?(@value)
+
+          {@column => true} if %w[true t 1].include?(@value)
         end
 
         def column_for_value(value)
diff --git a/lib/rails_admin/adapters/mongoid/association.rb b/lib/rails_admin/adapters/mongoid/association.rb
index 726fbd6a24..856e9286e9 100644
--- a/lib/rails_admin/adapters/mongoid/association.rb
+++ b/lib/rails_admin/adapters/mongoid/association.rb
@@ -92,9 +92,9 @@ def foreign_inverse_of
         def key_accessor
           case macro.to_sym
           when :has_many
-            "#{name.to_s.singularize}_ids".to_sym
+            :"#{name.to_s.singularize}_ids"
           when :has_one
-            "#{name}_id".to_sym
+            :"#{name}_id"
           when :embedded_in, :embeds_one, :embeds_many
             nil
           else
diff --git a/lib/rails_admin/config/fields/base.rb b/lib/rails_admin/config/fields/base.rb
index d57803a416..65def4dc27 100644
--- a/lib/rails_admin/config/fields/base.rb
+++ b/lib/rails_admin/config/fields/base.rb
@@ -357,7 +357,7 @@ def generic_help
 
         def generic_field_help
           model = abstract_model.model_name.underscore
-          model_lookup = "admin.help.#{model}.#{name}".to_sym
+          model_lookup = :"admin.help.#{model}.#{name}"
           translated = I18n.translate(model_lookup, help: generic_help, default: [generic_help])
           (translated.is_a?(Hash) ? translated.to_a.first[1] : translated).html_safe
         end
diff --git a/lib/rails_admin/config/fields/factories/active_storage.rb b/lib/rails_admin/config/fields/factories/active_storage.rb
index 4ac9bb18af..82f5f1d7b0 100644
--- a/lib/rails_admin/config/fields/factories/active_storage.rb
+++ b/lib/rails_admin/config/fields/factories/active_storage.rb
@@ -13,9 +13,9 @@
     fields << field
     associations =
       if properties.type == :has_many
-        ["#{name}_attachments".to_sym, "#{name}_blobs".to_sym]
+        [:"#{name}_attachments", :"#{name}_blobs"]
       else
-        ["#{name}_attachment".to_sym, "#{name}_blob".to_sym]
+        [:"#{name}_attachment", :"#{name}_blob"]
       end
     children_fields = associations.map do |child_name|
       child_association = parent.abstract_model.associations.detect { |p| p.name.to_sym == child_name }
diff --git a/lib/rails_admin/config/fields/factories/carrierwave.rb b/lib/rails_admin/config/fields/factories/carrierwave.rb
index c9295f9a78..af1a659f3d 100644
--- a/lib/rails_admin/config/fields/factories/carrierwave.rb
+++ b/lib/rails_admin/config/fields/factories/carrierwave.rb
@@ -7,7 +7,7 @@
 RailsAdmin::Config::Fields.register_factory do |parent, properties, fields|
   model = parent.abstract_model.model
   if defined?(::CarrierWave) && model.is_a?(CarrierWave::Mount) && model.uploaders.include?(attachment_name = properties.name.to_s.chomp('_file_name').to_sym)
-    columns = [model.uploader_options[attachment_name][:mount_on] || attachment_name, "#{attachment_name}_content_type".to_sym, "#{attachment_name}_file_size".to_sym]
+    columns = [model.uploader_options[attachment_name][:mount_on] || attachment_name, :"#{attachment_name}_content_type", :"#{attachment_name}_file_size"]
     field = RailsAdmin::Config::Fields::Types.load(
       %i[serialized json].include?(properties.type) ? :multiple_carrierwave : :carrierwave,
     ).new(parent, attachment_name, properties)
diff --git a/lib/rails_admin/config/fields/factories/dragonfly.rb b/lib/rails_admin/config/fields/factories/dragonfly.rb
index 2fcd5b57bb..b3e400c3ba 100644
--- a/lib/rails_admin/config/fields/factories/dragonfly.rb
+++ b/lib/rails_admin/config/fields/factories/dragonfly.rb
@@ -10,7 +10,7 @@
     field = RailsAdmin::Config::Fields::Types.load(:dragonfly).new(parent, attachment_name, properties)
     children_fields = []
     extensions.each do |ext|
-      children_column_name = "#{attachment_name}_#{ext}".to_sym
+      children_column_name = :"#{attachment_name}_#{ext}"
       child_properties = parent.abstract_model.properties.detect { |p| p.name.to_s == children_column_name.to_s }
       next unless child_properties
 
diff --git a/lib/rails_admin/config/fields/factories/paperclip.rb b/lib/rails_admin/config/fields/factories/paperclip.rb
index 9f95d4b09b..623be41b8c 100644
--- a/lib/rails_admin/config/fields/factories/paperclip.rb
+++ b/lib/rails_admin/config/fields/factories/paperclip.rb
@@ -11,7 +11,7 @@
     field = RailsAdmin::Config::Fields::Types.load(:paperclip).new(parent, attachment_name, properties)
     children_fields = []
     extensions.each do |ext|
-      children_column_name = "#{attachment_name}_#{ext}".to_sym
+      children_column_name = :"#{attachment_name}_#{ext}"
       child_properties = parent.abstract_model.properties.detect { |p| p.name.to_s == children_column_name.to_s }
       next unless child_properties
 
diff --git a/lib/rails_admin/config/fields/factories/shrine.rb b/lib/rails_admin/config/fields/factories/shrine.rb
index 6ed86c675a..69febad6c3 100644
--- a/lib/rails_admin/config/fields/factories/shrine.rb
+++ b/lib/rails_admin/config/fields/factories/shrine.rb
@@ -16,7 +16,7 @@
   field = RailsAdmin::Config::Fields::Types.load(:shrine).new(parent, attachment_name, properties)
   fields << field
 
-  data_field_name = "#{attachment_name}_data".to_sym
+  data_field_name = :"#{attachment_name}_data"
   child_properties = parent.abstract_model.properties.detect { |p| p.name == data_field_name }
   next true unless child_properties
 
diff --git a/lib/rails_admin/config/fields/types/belongs_to_association.rb b/lib/rails_admin/config/fields/types/belongs_to_association.rb
index 88f91474d2..4e469e2ad4 100644
--- a/lib/rails_admin/config/fields/types/belongs_to_association.rb
+++ b/lib/rails_admin/config/fields/types/belongs_to_association.rb
@@ -38,7 +38,7 @@ def selected_id
           end
 
           def method_name
-            nested_form ? "#{name}_attributes".to_sym : super
+            nested_form ? :"#{name}_attributes" : super
           end
 
           def multiple?
diff --git a/lib/rails_admin/config/fields/types/has_many_association.rb b/lib/rails_admin/config/fields/types/has_many_association.rb
index 93a289f8a0..a2d51d6215 100644
--- a/lib/rails_admin/config/fields/types/has_many_association.rb
+++ b/lib/rails_admin/config/fields/types/has_many_association.rb
@@ -20,7 +20,7 @@ class HasManyAssociation < RailsAdmin::Config::Fields::Association
           end
 
           def method_name
-            nested_form ? "#{name}_attributes".to_sym : super
+            nested_form ? :"#{name}_attributes" : super
           end
 
           # Reader for validation errors of the bound object
diff --git a/lib/rails_admin/config/fields/types/has_one_association.rb b/lib/rails_admin/config/fields/types/has_one_association.rb
index f6219a7fd3..3a5804e933 100644
--- a/lib/rails_admin/config/fields/types/has_one_association.rb
+++ b/lib/rails_admin/config/fields/types/has_one_association.rb
@@ -28,7 +28,7 @@ def selected_id
           end
 
           def method_name
-            nested_form ? "#{name}_attributes".to_sym : super
+            nested_form ? :"#{name}_attributes" : super
           end
 
           def multiple?
diff --git a/lib/rails_admin/extensions/paper_trail/auditing_adapter.rb b/lib/rails_admin/extensions/paper_trail/auditing_adapter.rb
index 635063cee5..a9834aa616 100644
--- a/lib/rails_admin/extensions/paper_trail/auditing_adapter.rb
+++ b/lib/rails_admin/extensions/paper_trail/auditing_adapter.rb
@@ -146,7 +146,7 @@ def listing_for_model_or_object(model, object, query, sort, sort_reverse, all, p
           versions = object.nil? ? versions_for_model(model) : object.public_send(model.model.versions_association_name)
           versions = versions.where('event LIKE ?', "%#{query}%") if query.present?
           versions = versions.order(sort)
-          versions = all ? versions : versions.send(Kaminari.config.page_method_name, current_page).per(per_page)
+          versions = versions.send(Kaminari.config.page_method_name, current_page).per(per_page) unless all
           paginated_proxies = Kaminari.paginate_array([], total_count: versions.try(:total_count) || versions.count)
           paginated_proxies = paginated_proxies.send(
             paginated_proxies.respond_to?(Kaminari.config.page_method_name) ? Kaminari.config.page_method_name : :page,
diff --git a/spec/dummy_app/config/initializers/application_controller_renderer.rb b/spec/dummy_app/config/initializers/application_controller_renderer.rb
index 315ac48a9a..6e2d5d2b87 100644
--- a/spec/dummy_app/config/initializers/application_controller_renderer.rb
+++ b/spec/dummy_app/config/initializers/application_controller_renderer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # ApplicationController.renderer.defaults.merge!(
diff --git a/spec/dummy_app/config/initializers/backtrace_silencers.rb b/spec/dummy_app/config/initializers/backtrace_silencers.rb
index d0f0d3b5df..4b63f2893d 100644
--- a/spec/dummy_app/config/initializers/backtrace_silencers.rb
+++ b/spec/dummy_app/config/initializers/backtrace_silencers.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
diff --git a/spec/dummy_app/config/initializers/cors.rb b/spec/dummy_app/config/initializers/cors.rb
index 5f68d44d3c..82eafe5ca4 100644
--- a/spec/dummy_app/config/initializers/cors.rb
+++ b/spec/dummy_app/config/initializers/cors.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Avoid CORS issues when API is called from the frontend app.
diff --git a/spec/dummy_app/config/initializers/inflections.rb b/spec/dummy_app/config/initializers/inflections.rb
index aa7435fbc9..dc84742212 100644
--- a/spec/dummy_app/config/initializers/inflections.rb
+++ b/spec/dummy_app/config/initializers/inflections.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Add new inflection rules using the following format. Inflections
diff --git a/spec/dummy_app/config/initializers/mime_types.rb b/spec/dummy_app/config/initializers/mime_types.rb
index 6e1d16f027..be6fedc535 100644
--- a/spec/dummy_app/config/initializers/mime_types.rb
+++ b/spec/dummy_app/config/initializers/mime_types.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Add new mime types for use in respond_to blocks:
diff --git a/spec/integration/fields/multiple_file_upload_spec.rb b/spec/integration/fields/multiple_file_upload_spec.rb
index 34bbfb0798..5446924246 100644
--- a/spec/integration/fields/multiple_file_upload_spec.rb
+++ b/spec/integration/fields/multiple_file_upload_spec.rb
@@ -17,7 +17,7 @@ def resource_url(_thumb = false)
         delete_method 'boolean_field'
         reorderable true
         def value
-          bindings[:object].safe_send(name)&.split(' ')
+          bindings[:object].safe_send(name)&.split
         end
       end
     end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 96846770d8..43e24097eb 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -102,7 +102,7 @@
 
   CI_TARGET_ORMS.each do |orm|
     if orm == CI_ORM
-      config.filter_run_excluding "skip_#{orm}".to_sym => true
+      config.filter_run_excluding "skip_#{orm}": true
     else
       config.filter_run_excluding orm => true
     end