diff --git a/spec/rspec/mocks/mutate_const_spec.rb b/spec/rspec/mocks/mutate_const_spec.rb
index f4fcfcc5d..ff545c4d8 100644
--- a/spec/rspec/mocks/mutate_const_spec.rb
+++ b/spec/rspec/mocks/mutate_const_spec.rb
@@ -149,10 +149,7 @@ def change_const_value_to(value)
         if RUBY_VERSION >= '3.1'
           describe 'with global exclude_stubbed_classes_from_subclasses option set' do
             include_context "with isolated configuration"
-
-            before do
-              RSpec::Mocks.configuration.exclude_stubbed_classes_from_subclasses = true
-            end
+            include_context "with stubbed classes excluded from subclasses"
 
             it 'gives the same subclasses after rspec clears its mocks' do
               original_subclasses = TestClass.subclasses
@@ -372,10 +369,7 @@ def change_const_value_to(value)
           if RUBY_VERSION >= '3.1'
             describe 'with global exclude_stubbed_classes_from_subclasses option set' do
               include_context "with isolated configuration"
-
-              before do
-                RSpec::Mocks.configuration.exclude_stubbed_classes_from_subclasses = true
-              end
+              include_context "with stubbed classes excluded from subclasses"
 
               it 'gives the same subclasses after rspec clears its mocks' do
                 original_subclasses = TestClass::Nested.subclasses
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 7388670af..c1e87cdb9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -174,3 +174,13 @@ def self.fake_matcher_description
     RSpec::Mocks.configuration.syntax = orig_syntax
   end
 end
+
+RSpec.shared_context "with stubbed classes excluded from subclasses" do
+  before do
+    RSpec::Mocks.configuration.exclude_stubbed_classes_from_subclasses = true
+  end
+
+  after do
+    RSpec::Mocks.configuration.exclude_stubbed_classes_from_subclasses = false
+  end
+end