1 files changed, 1 insertions, 12 deletions
diff --git a/mrbgems/mruby-symbol-ext/mrblib/symbol.rb b/mrbgems/mruby-symbol-ext/mrblib/symbol.rb
index b2615a760..1e249c281 100644
--- a/mrbgems/mruby-symbol-ext/mrblib/symbol.rb
+++ b/mrbgems/mruby-symbol-ext/mrblib/symbol.rb
@@ -9,17 +9,6 @@ class Symbol
 
   ##
   # call-seq:
-  #   sym.length    -> integer
-  #
-  # Same as <code>sym.to_s.length</code>.
-
-  def length
-    self.to_s.length
-  end
-  alias :size :length
-
-  ##
-  # call-seq:
   #   sym.capitalize  -> symbol
   #
   # Same as <code>sym.to_s.capitalize.intern</code>.
@@ -66,7 +55,7 @@ class Symbol
   # Returns that _sym_ is :"" or not.
 
   def empty?
-    self.to_s.empty?
+    self.length == 0
   end
 
 end