4 files changed, 0 insertions, 14 deletions
diff --git a/ext/tk/lib/tk/itemconfig.rb b/ext/tk/lib/tk/itemconfig.rb
index 14396048ba..e8eb83d66c 100644
--- a/ext/tk/lib/tk/itemconfig.rb
+++ b/ext/tk/lib/tk/itemconfig.rb
@@ -124,7 +124,6 @@ module TkItemConfigMethod
     @mode || false
   end
   def TkItemConfigMethod.__set_IGNORE_UNKNOWN_CONFIGURE_OPTION__!(mode)
-    fail SecurityError, "can't change the mode" if $SAFE>=4
     @mode = (mode)? true: false
   end
 
diff --git a/ext/tk/lib/tk/optiondb.rb b/ext/tk/lib/tk/optiondb.rb
index 0f3be30ff7..91d2697a86 100644
--- a/ext/tk/lib/tk/optiondb.rb
+++ b/ext/tk/lib/tk/optiondb.rb
@@ -22,15 +22,9 @@ module TkOptionDB
   end
 
   def add(pat, value, pri=None)
-    # if $SAFE >= 4
-    #   fail SecurityError, "can't call 'TkOptionDB.add' at $SAFE >= 4"
-    # end
     tk_call('option', 'add', pat, value, pri)
   end
   def clear
-    # if $SAFE >= 4
-    #   fail SecurityError, "can't call 'TkOptionDB.crear' at $SAFE >= 4"
-    # end
     tk_call_without_enc('option', 'clear')
   end
   def get(win, name, klass)
diff --git a/ext/tk/lib/tk/timer.rb b/ext/tk/lib/tk/timer.rb
index ddfbfce9be..29aa84b0d9 100644
--- a/ext/tk/lib/tk/timer.rb
+++ b/ext/tk/lib/tk/timer.rb
@@ -498,10 +498,6 @@ class TkTimer
   end
 
   def wait(on_thread = true, check_root = false)
-    if $SAFE >= 4
-      fail SecurityError, "can't wait timer at $SAFE >= 4"
-    end
-
     unless @running
       if @return_value.kind_of?(Exception)
         fail @return_value
diff --git a/ext/tk/lib/tk/variable.rb b/ext/tk/lib/tk/variable.rb
index 0487b034bd..496225a92d 100644
--- a/ext/tk/lib/tk/variable.rb
+++ b/ext/tk/lib/tk/variable.rb
@@ -360,9 +360,6 @@ class TkVariable
   end
 
   def wait(on_thread = false, check_root = false)
-    if $SAFE >= 4
-      fail SecurityError, "can't wait variable at $SAFE >= 4"
-    end
     on_thread &= (Thread.list.size != 1)
     if on_thread
       if check_root