diff --git a/.rubocop.yml b/.rubocop.yml
index d2733f69c..093bdcb00 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,32 +1,8 @@
 inherit_from: .rubocop_basic.yml
 
-Bundler/InsecureProtocolSource:
-  Enabled: true
-
-Gemspec/DuplicatedAssignment:
-  Enabled: true
-
-Gemspec/OrderedDependencies:
-  Enabled: true
-
-Gemspec/RequiredRubyVersion:
-  Enabled: true
-
-Performance/Caller:
-  Enabled: true
-
-Performance/CaseWhenSplat:
-  Enabled: true
-
-Performance/Casecmp:
-  Enabled: true
-
 Performance/CompareWithBlock:
   Enabled: true
 
-Performance/Count:
-  Enabled: true
-
 Performance/Detect:
   Enabled: true
 
@@ -36,66 +12,12 @@ Performance/DoubleStartEndWith:
 Performance/EndWith:
   Enabled: true
 
-Performance/FixedSize:
-  Enabled: true
-
-Performance/FlatMap:
-  Enabled: true
-
-Performance/RangeInclude:
-  Enabled: true
-
-Performance/RedundantBlockCall:
-  Enabled: true
-
-Performance/RedundantMatch:
-  Enabled: true
-
-Performance/RedundantMerge:
-  Enabled: true
-
-Performance/RegexpMatch:
-  Enabled: true
-
-Performance/ReverseEach:
-  Enabled: true
-
-Performance/Size:
-  Enabled: true
-
 Performance/StartWith:
   Enabled: true
 
-Performance/StringReplacement:
-  Enabled: true
-
-Performance/TimesMap:
-  Enabled: true
-
-Performance/UnfreezeString:
-  Enabled: true
-
-Performance/UriDefaultParser:
-  Enabled: true
-
-Rails/ActiveSupportAliases:
-  Enabled: true
-
-Rails/Blank:
-  Enabled: true
-
 Rails/CreateTableWithTimestamps:
   Enabled: true
 
-Rails/Delegate:
-  Enabled: true
-
-Rails/DelegateAllowBlank:
-  Enabled: true
-
-Rails/DynamicFindBy:
-  Enabled: true
-
 Rails/EnumUniqueness:
   Enabled: true
 
@@ -105,9 +27,6 @@ Rails/EnvironmentComparison:
 Rails/Exit:
   Enabled: true
 
-Rails/FilePath:
-  Enabled: true
-
 Rails/FindBy:
   Enabled: true
 
@@ -123,156 +42,24 @@ Rails/HasManyOrHasOneDependent:
 Rails/InverseOf:
   Enabled: true
 
-Rails/LexicallyScopedActionFilter:
-  Enabled: true
-
 Rails/NotNullColumn:
   Enabled: true
 
-Rails/Output:
-  Enabled: true
-
 Rails/OutputSafety:
   Enabled: true
 
-Rails/Present:
-  Enabled: true
-
-Rails/ReadWriteAttribute:
-  Enabled: true
-
-Rails/RedundantReceiverInWithOptions:
-  Enabled: true
-
 Rails/ReversibleMigration:
   Enabled: true
 
 Rails/SaveBang:
   Enabled: true
 
-Rails/ScopeArgs:
-  Enabled: true
-
 Rails/SkipsModelValidations:
   Enabled: true
 
-Rails/UniqBeforePluck:
-  Enabled: true
-
-RSpec/AlignLeftLetBrace:
-  Enabled: false
-
-RSpec/AlignRightLetBrace:
-  Enabled: false
-
-RSpec/AnyInstance:
-  Enabled: false
-
-RSpec/BeEql:
-  Enabled: true
-
-Capybara/FeatureMethods:
-  Enabled: false
-
-RSpec/ContextWording:
-  Enabled: false
-
-RSpec/DescribeClass:
-  Enabled: true
-
-RSpec/DescribeMethod:
-  Enabled: true
-
-RSpec/DescribeSymbol:
-  Enabled: true
-
-RSpec/ExampleLength:
-  Enabled: false
-
-RSpec/ExpectActual:
-  Enabled: true
-
-RSpec/ExpectInHook:
-  Enabled: true
-
-RSpec/ExpectOutput:
-  Enabled: true
-
-RSpec/FilePath:
-  Enabled: true
-
-RSpec/ImplicitExpect:
-  Enabled: true
-  EnforcedStyle: should
-
-RSpec/InstanceSpy:
-  Enabled: true
-
 RSpec/InstanceVariable:
   Enabled: true
 
-RSpec/InvalidPredicateMatcher:
-  Enabled: true
-
-RSpec/ItBehavesLike:
-  Enabled: true
-
-RSpec/IteratedExpectation:
-  Enabled: true
-
-RSpec/LeadingSubject:
-  Enabled: true
-
-RSpec/MessageChain:
-  Enabled: true
-
-RSpec/MessageExpectation:
-  Enabled: true
-
-RSpec/MessageSpies:
-  Enabled: true
-  EnforcedStyle: receive
-
-RSpec/MultipleDescribes:
-  Enabled: true
-
-RSpec/MultipleExpectations:
-  Enabled: false
-
-RSpec/MultipleSubjects:
-  Enabled: true
-
-RSpec/NamedSubject:
-  Enabled: false
-
-RSpec/NestedGroups:
-  Enabled: true
-  Max: 4
-
-RSpec/PredicateMatcher:
-  Enabled: true
-
-Rails/HttpStatus:
-  Enabled: true
-
-RSpec/RepeatedDescription:
-  Enabled: true
-
-RSpec/ReturnFromStub:
-  Enabled: true
-
-RSpec/SharedContext:
-  Enabled: true
-
-RSpec/SingleArgumentMessageChain:
-  Enabled: true
-
-RSpec/SubjectStub:
-  Enabled: true
-
-RSpec/VerifiedDoubles:
-  Enabled: true
-
 Security/Eval:
   Enabled: true
 
diff --git a/.rubocop_basic.yml b/.rubocop_basic.yml
index 88fdf0f9c..041ccd935 100644
--- a/.rubocop_basic.yml
+++ b/.rubocop_basic.yml
@@ -122,6 +122,7 @@ Lint/UselessAssignment:
 
 Metrics/LineLength:
   Max: 110
+  Severity: refactor
 
 Rails/ActionFilter:
   Enabled: true
diff --git a/app/controllers/concerns/moderate_actions.rb b/app/controllers/concerns/moderate_actions.rb
index f8c2b96c8..52e0a02cf 100644
--- a/app/controllers/concerns/moderate_actions.rb
+++ b/app/controllers/concerns/moderate_actions.rb
@@ -25,7 +25,7 @@ module ModerateActions
       @resources.accessible_by(current_ability, :ignore_flag).each(&:ignore_flag)
 
     elsif params[:block_authors].present?
-      author_ids = @resources.pluck(author_id).uniq
+      author_ids = @resources.pluck(author_id)
       User.where(id: author_ids).accessible_by(current_ability, :block).each { |user| block_user user }
     end
 
diff --git a/app/controllers/tracking/budget_investments_controller.rb b/app/controllers/tracking/budget_investments_controller.rb
index 4586b7308..83a4f28d0 100644
--- a/app/controllers/tracking/budget_investments_controller.rb
+++ b/app/controllers/tracking/budget_investments_controller.rb
@@ -48,7 +48,7 @@ class Tracking::BudgetInvestmentsController < Tracking::BaseController
 
     def heading_filters
       investments = @budget.investments.by_tracker(current_user.tracker&.id).distinct
-      investment_headings = Budget::Heading.where(id: investments.pluck(:heading_id).uniq)
+      investment_headings = Budget::Heading.where(id: investments.pluck(:heading_id))
                                            .order(name: :asc)
       all_headings_filter = [
                               {
diff --git a/lib/user_segments.rb b/lib/user_segments.rb
index 17d609e68..d6bd427fb 100644
--- a/lib/user_segments.rb
+++ b/lib/user_segments.rb
@@ -18,29 +18,29 @@ class UserSegments
   end
 
   def self.all_proposal_authors
-    author_ids(Proposal.pluck(:author_id).uniq)
+    author_ids(Proposal.pluck(:author_id))
   end
 
   def self.proposal_authors
-    author_ids(Proposal.not_archived.not_retired.pluck(:author_id).uniq)
+    author_ids(Proposal.not_archived.not_retired.pluck(:author_id))
   end
 
   def self.investment_authors
-    author_ids(current_budget_investments.pluck(:author_id).uniq)
+    author_ids(current_budget_investments.pluck(:author_id))
   end
 
   def self.feasible_and_undecided_investment_authors
     unfeasible_and_finished_condition = "feasibility = 'unfeasible' and valuation_finished = true"
     investments = current_budget_investments.where.not(unfeasible_and_finished_condition)
-    author_ids(investments.pluck(:author_id).uniq)
+    author_ids(investments.pluck(:author_id))
   end
 
   def self.selected_investment_authors
-    author_ids(current_budget_investments.selected.pluck(:author_id).uniq)
+    author_ids(current_budget_investments.selected.pluck(:author_id))
   end
 
   def self.winner_investment_authors
-    author_ids(current_budget_investments.winners.pluck(:author_id).uniq)
+    author_ids(current_budget_investments.winners.pluck(:author_id))
   end
 
   def self.not_supported_on_current_budget