diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0daac1a16cd9..2f4f88cf46cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,7 @@
 * [#2703](https://github.com/bbatsov/rubocop/issues/2703): Handle byte order mark in `Style/IndentationWidth`, `Style/ElseAlignment`, `Lint/EndAlignment`, and `Lint/DefEndAlignment`. ([@jonas054][])
 * [#2710](https://github.com/bbatsov/rubocop/pull/2710): Fix handling of fullwidth characters in some cops. ([@seikichi][])
 * [#2690](https://github.com/bbatsov/rubocop/issues/2690): Fix alignment of operands that are part of an assignment in `Style/MultilineOperationIndentation`. ([@jonas054][])
+* [#2228](https://github.com/bbatsov/rubocop/issues/2228): Use the config of a related cop whether it's enabled or not. ([@madwort][])
 
 ### Changes
 
@@ -1926,3 +1927,4 @@
 [@stormbreakerbg]: https://github.com/stormbreakerbg
 [@owst]: https://github.com/owst
 [@seikichi]: https://github.com/seikichi
+[@madwort]: https://github.com/madwort
diff --git a/lib/rubocop/cop/mixin/space_after_punctuation.rb b/lib/rubocop/cop/mixin/space_after_punctuation.rb
index 4794ddb27b92..d58d672112af 100644
--- a/lib/rubocop/cop/mixin/space_after_punctuation.rb
+++ b/lib/rubocop/cop/mixin/space_after_punctuation.rb
@@ -21,7 +21,7 @@ def investigate(processed_source)
 
       def space_forbidden_before_rcurly?
         cfg = config.for_cop('Style/SpaceInsideBlockBraces')
-        style = cfg['Enabled'] ? cfg['EnforcedStyle'] : 'space'
+        style = cfg['EnforcedStyle'] || 'space'
         style == 'no_space'
       end
 
diff --git a/lib/rubocop/cop/mixin/space_before_punctuation.rb b/lib/rubocop/cop/mixin/space_before_punctuation.rb
index 05cec36975ae..14abcedf5c35 100644
--- a/lib/rubocop/cop/mixin/space_before_punctuation.rb
+++ b/lib/rubocop/cop/mixin/space_before_punctuation.rb
@@ -26,7 +26,7 @@ def investigate(processed_source)
 
       def space_required_after_lcurly?
         cfg = config.for_cop('Style/SpaceInsideBlockBraces')
-        style = cfg['Enabled'] ? cfg['EnforcedStyle'] : 'space'
+        style = cfg['EnforcedStyle'] || 'space'
         style == 'space'
       end
 
diff --git a/lib/rubocop/cop/style/else_alignment.rb b/lib/rubocop/cop/style/else_alignment.rb
index 4c886929bcb7..07e549fd365d 100644
--- a/lib/rubocop/cop/style/else_alignment.rb
+++ b/lib/rubocop/cop/style/else_alignment.rb
@@ -87,7 +87,7 @@ def check_assignment(node, rhs)
           return unless rhs
 
           end_config = config.for_cop('Lint/EndAlignment')
-          style = end_config['Enabled'] ? end_config['AlignWith'] : 'keyword'
+          style = end_config['AlignWith'] || 'keyword'
           base = variable_alignment?(node.loc, rhs, style.to_sym) ? node : rhs
 
           return if rhs.type != :if
diff --git a/lib/rubocop/cop/style/indentation_width.rb b/lib/rubocop/cop/style/indentation_width.rb
index 799a17af346a..883e0cf456a8 100644
--- a/lib/rubocop/cop/style/indentation_width.rb
+++ b/lib/rubocop/cop/style/indentation_width.rb
@@ -89,11 +89,7 @@ def on_send(node)
           *_, body = *args.first
 
           def_end_config = config.for_cop('Lint/DefEndAlignment')
-          style = if def_end_config['Enabled']
-                    def_end_config['AlignWith']
-                  else
-                    'start_of_line'
-                  end
+          style = def_end_config['AlignWith'] || 'start_of_line'
           base = style == 'def' ? args.first : node
 
           check_indentation(base.source_range, body)
@@ -174,7 +170,7 @@ def check_assignment(node, rhs)
           return unless rhs
 
           end_config = config.for_cop('Lint/EndAlignment')
-          style = end_config['Enabled'] ? end_config['AlignWith'] : 'keyword'
+          style = end_config['AlignWith'] || 'keyword'
           base = variable_alignment?(node.loc, rhs, style.to_sym) ? node : rhs
 
           case rhs.type
diff --git a/spec/rubocop/cop/style/else_alignment_spec.rb b/spec/rubocop/cop/style/else_alignment_spec.rb
index 06ad37516a07..3f90229f553c 100644
--- a/spec/rubocop/cop/style/else_alignment_spec.rb
+++ b/spec/rubocop/cop/style/else_alignment_spec.rb
@@ -290,14 +290,6 @@
 
         include_examples 'assignment and if with keyword alignment'
       end
-
-      context 'when alignment style is keyword by default' do
-        let(:end_alignment_config) do
-          { 'Enabled' => false, 'AlignWith' => 'variable' }
-        end
-
-        include_examples 'assignment and if with keyword alignment'
-      end
     end
 
     it 'accepts an if/else branches with rescue clauses' do
diff --git a/spec/rubocop/cop/style/indentation_width_spec.rb b/spec/rubocop/cop/style/indentation_width_spec.rb
index 36ce89daed9c..e5e635fa95b5 100644
--- a/spec/rubocop/cop/style/indentation_width_spec.rb
+++ b/spec/rubocop/cop/style/indentation_width_spec.rb
@@ -597,14 +597,6 @@
 
           include_examples 'assignment and if with keyword alignment'
         end
-
-        context 'when alignment style is keyword by default' do
-          let(:end_alignment_config) do
-            { 'Enabled' => false, 'AlignWith' => 'variable' }
-          end
-
-          include_examples 'assignment and if with keyword alignment'
-        end
       end
 
       it 'accepts an if/else branches with rescue clauses' do