1 files changed, 1 insertions, 7 deletions
diff --git a/lib/irb/command.rb b/lib/irb/command.rb
index 19fde56356..68a4b52727 100644
--- a/lib/irb/command.rb
+++ b/lib/irb/command.rb
@@ -16,13 +16,7 @@ module IRB # :nodoc:
       # Registers a command with the given name.
       # Aliasing is intentionally not supported at the moment.
       def register(name, command_class)
-        @commands[name] = [command_class, []]
-      end
-
-      # This API is for IRB's internal use only and may change at any time.
-      # Please do NOT use it.
-      def _register_with_aliases(name, command_class, *aliases)
-        @commands[name] = [command_class, aliases]
+        @commands[name.to_sym] = [command_class, []]
       end
     end
   end