1 files changed, 14 insertions, 24 deletions
diff --git a/spec/ruby/core/string/sub_spec.rb b/spec/ruby/core/string/sub_spec.rb
index 99dd7b45a8..6ff28ec851 100644
--- a/spec/ruby/core/string/sub_spec.rb
+++ b/spec/ruby/core/string/sub_spec.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
@@ -170,22 +171,11 @@ describe "String#sub with pattern, replacement" do
     -> { "hello".sub(/[aeiou]/, 99) }.should raise_error(TypeError)
   end
 
-  ruby_version_is ''...'3.0' do
-    it "returns subclass instances when called on a subclass" do
-      StringSpecs::MyString.new("").sub(//, "").should be_an_instance_of(StringSpecs::MyString)
-      StringSpecs::MyString.new("").sub(/foo/, "").should be_an_instance_of(StringSpecs::MyString)
-      StringSpecs::MyString.new("foo").sub(/foo/, "").should be_an_instance_of(StringSpecs::MyString)
-      StringSpecs::MyString.new("foo").sub("foo", "").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("").sub(//, "").should be_an_instance_of(String)
-      StringSpecs::MyString.new("").sub(/foo/, "").should be_an_instance_of(String)
-      StringSpecs::MyString.new("foo").sub(/foo/, "").should be_an_instance_of(String)
-      StringSpecs::MyString.new("foo").sub("foo", "").should be_an_instance_of(String)
-    end
+  it "returns String instances when called on a subclass" do
+    StringSpecs::MyString.new("").sub(//, "").should be_an_instance_of(String)
+    StringSpecs::MyString.new("").sub(/foo/, "").should be_an_instance_of(String)
+    StringSpecs::MyString.new("foo").sub(/foo/, "").should be_an_instance_of(String)
+    StringSpecs::MyString.new("foo").sub("foo", "").should be_an_instance_of(String)
   end
 
   it "sets $~ to MatchData of match and nil when there's none" do
@@ -242,10 +232,10 @@ describe "String#sub with pattern and block" do
     offsets = []
 
     str.sub(/([aeiou])/) do
-       md = $~
-       md.string.should == str
-       offsets << md.offset(0)
-       str
+      md = $~
+      md.string.should == str
+      offsets << md.offset(0)
+      str
     end.should == "hhellollo"
 
     offsets.should == [[1, 2]]
@@ -349,10 +339,10 @@ describe "String#sub! with pattern and block" do
     offsets = []
 
     str.dup.sub!(/([aeiou])/) do
-       md = $~
-       md.string.should == str
-       offsets << md.offset(0)
-       str
+      md = $~
+      md.string.should == str
+      offsets << md.offset(0)
+      str
     end.should == "hhellollo"
 
     offsets.should == [[1, 2]]