diff --git a/ext/tk/sample/demos-en/menu.rb b/ext/tk/sample/demos-en/menu.rb
index 8b7a524bc6..db0541c608 100644
--- a/ext/tk/sample/demos-en/menu.rb
+++ b/ext/tk/sample/demos-en/menu.rb
@@ -88,7 +88,7 @@ TkMenubutton.new($menu_frame, 'text'=>'Basic', 'underline'=>0) {|m|
     add('command', 'label'=>'Long entry that does nothing')
     ['A','B','C','D','E','F','G'].each{|c|
       add('command', 'label'=>"Print letter \"#{c}\"",
-          'underline'=>14, 'accelerator'=>"Meta+#{c}",
+          'underline'=>14,
           'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
       $menu_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
     }
diff --git a/ext/tk/sample/demos-en/menu84.rb b/ext/tk/sample/demos-en/menu84.rb
index 572f194e13..714fb3c553 100644
--- a/ext/tk/sample/demos-en/menu84.rb
+++ b/ext/tk/sample/demos-en/menu84.rb
@@ -94,7 +94,7 @@ TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
   add('command', 'label'=>'Long entry that does nothing')
   ['A','B','C','D','E','F','G'].each{|c|
     add('command', 'label'=>"Print letter \"#{c}\"",
-        'underline'=>14, 'accelerator'=>"Meta+#{c}",
+        'underline'=>14,
         'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
     $menu84_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
   }
diff --git a/ext/tk/sample/demos-jp/menu.rb b/ext/tk/sample/demos-jp/menu.rb
index 30e491d953..012e2458d2 100644
--- a/ext/tk/sample/demos-jp/menu.rb
+++ b/ext/tk/sample/demos-jp/menu.rb
@@ -91,7 +91,7 @@ TkMenubutton.new($menu_frame, 'text'=>'Basic', 'underline'=>0) {|m|
     ['A','B','C','D','E','F','G'].each{|c|
       # add('command', 'label'=>"文字 \"#{c}\" を印字", 'underline'=>4,
       add('command', 'label'=>"Print letter \"#{c}\" (文字 \"#{c}\" を印字)",
-          'underline'=>14, 'accelerator'=>"Meta+#{c}",
+          'underline'=>14,
           'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
       $menu_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
     }
diff --git a/ext/tk/sample/demos-jp/menu84.rb b/ext/tk/sample/demos-jp/menu84.rb
index 3fd879e4f7..ab6d1b85b4 100644
--- a/ext/tk/sample/demos-jp/menu84.rb
+++ b/ext/tk/sample/demos-jp/menu84.rb
@@ -96,7 +96,7 @@ TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
   add('command', 'label'=>'Long entry that does nothing')
   ['A','B','C','D','E','F','G'].each{|c|
     add('command', 'label'=>"Print letter \"#{c}\"",
-        'underline'=>14, 'accelerator'=>"Meta+#{c}",
+        'underline'=>14,
         'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
     $menu84_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
   }
diff --git a/ext/tk/sample/demos-jp/menu8x.rb b/ext/tk/sample/demos-jp/menu8x.rb
index a1acda4c1b..c61753dd19 100644
--- a/ext/tk/sample/demos-jp/menu8x.rb
+++ b/ext/tk/sample/demos-jp/menu8x.rb
@@ -119,7 +119,7 @@ TkMenu.new($menu8x_demo, 'tearoff'=>false) {|m|
     ['A','B','C','D','E','F','G'].each{|c|
       # add('command', 'label'=>"文字 \"#{c}\" を印字", 'underline'=>4,
       add('command', 'label'=>"Print letter \"#{c}\" (文字 \"#{c}\" を印字)",
-          'underline'=>14, 'accelerator'=>"Meta+#{c}",
+          'underline'=>14,
           'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
       $menu8x_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
     }