diff --git a/lib/mathn.rb b/lib/mathn.rb
index aae4620..398188c 100644
--- a/lib/mathn.rb
+++ b/lib/mathn.rb
@@ -53,7 +53,7 @@ unless defined?(Math.exp!)
 end

 ##
-# When mathn is required, Fixnum's division and exponentiation are enhanced to
+# When mathn is required, Fixnum's division is enhanced to
 # return more precise values from mathematical expressions.
 #
 #   2/3*3  # => 0
@@ -62,27 +62,7 @@ end

 class Fixnum
   remove_method :/
-
-  ##
-  # +/+ defines the Rational division for Fixnum.
-  #
-  #   1/3  # => (1/3)
-
-  alias / quo
-
-  alias power! ** unless method_defined? :power!
-
-  ##
-  # Exponentiate by +other+
-
-  def ** (other)
-    if self < 0 && other.round != other
-      Complex(self, 0.0) ** other
-    else
-      power!(other)
-    end
-  end
-
+  alias :/ :quo
 end

 ##