1 files changed, 13 insertions, 15 deletions
diff --git a/spec/ruby/core/io/close_spec.rb b/spec/ruby/core/io/close_spec.rb
index 21bba32cd8..37c8ab5a12 100644
--- a/spec/ruby/core/io/close_spec.rb
+++ b/spec/ruby/core/io/close_spec.rb
@@ -44,22 +44,20 @@ describe "IO#close" do
     @io.close.should be_nil
   end
 
-  ruby_version_is '2.5' do
-    it 'raises an IOError with a clear message' do
-      read_io, write_io = IO.pipe
-      going_to_read = false
-      thread = Thread.new do
-        -> do
-          going_to_read = true
-          read_io.read
-        end.should raise_error(IOError, 'stream closed in another thread')
-      end
-
-      Thread.pass until going_to_read && thread.stop?
-      read_io.close
-      thread.join
-      write_io.close
+  it 'raises an IOError with a clear message' do
+    read_io, write_io = IO.pipe
+    going_to_read = false
+    thread = Thread.new do
+      -> do
+        going_to_read = true
+        read_io.read
+      end.should raise_error(IOError, 'stream closed in another thread')
     end
+
+    Thread.pass until going_to_read && thread.stop?
+    read_io.close
+    thread.join
+    write_io.close
   end
 end