1 files changed, 4 insertions, 2 deletions
diff --git a/spec/ruby/core/array/pack/w_spec.rb b/spec/ruby/core/array/pack/w_spec.rb
index e241d1519c..e770288d67 100644
--- a/spec/ruby/core/array/pack/w_spec.rb
+++ b/spec/ruby/core/array/pack/w_spec.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'
@@ -26,7 +26,9 @@ describe "Array#pack with format 'w'" do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      [1, 2, 3].pack("w\x00w").should == "\x01\x02"
+      suppress_warning do
+        [1, 2, 3].pack("w\x00w").should == "\x01\x02"
+      end
     end
   end