1 files changed, 10 insertions, 2 deletions
diff --git a/spec/ruby/core/string/delete_spec.rb b/spec/ruby/core/string/delete_spec.rb
index b6e54f8386..ebca0b7dae 100644
--- a/spec/ruby/core/string/delete_spec.rb
+++ b/spec/ruby/core/string/delete_spec.rb
@@ -93,8 +93,16 @@ describe "String#delete" do
     -> { "hello world".delete(mock('x')) }.should raise_error(TypeError)
   end
 
-  it "returns subclass instances when called on a subclass" do
-    StringSpecs::MyString.new("oh no!!!").delete("!").should be_an_instance_of(StringSpecs::MyString)
+  ruby_version_is ''...'3.0' do
+    it "returns subclass instances when called on a subclass" do
+      StringSpecs::MyString.new("oh no!!!").delete("!").should be_an_instance_of(StringSpecs::MyString)
+    end
+  end
+
+  ruby_version_is '3.0' do
+    it "returns String instances when called on a subclass" do
+      StringSpecs::MyString.new("oh no!!!").delete("!").should be_an_instance_of(String)
+    end
   end
 end