1 files changed, 5 insertions, 93 deletions
diff --git a/mrbgems/default.gembox b/mrbgems/default.gembox
index ca8938e87..f7618a6e0 100644
--- a/mrbgems/default.gembox
+++ b/mrbgems/default.gembox
@@ -1,82 +1,9 @@
 MRuby::GemBox.new do |conf|
-  # Meta-programming features
-  conf.gem :core => "mruby-metaprog"
-
-  # Use standard IO/File class
-  conf.gem :core => "mruby-io"
-
-  # Use standard IO/File class
-  conf.gem :core => "mruby-socket"
-
-  # Use standard Array#pack, String#unpack methods
-  conf.gem :core => "mruby-pack"
-
-  # Use standard Kernel#sprintf method
-  conf.gem :core => "mruby-sprintf"
-
-  # Use standard print/puts/p
-  conf.gem :core => "mruby-print"
-
-  # Use standard Math module
-  conf.gem :core => "mruby-math"
-
-  # Use standard Time class
-  conf.gem :core => "mruby-time"
-
-  # Use standard Struct class
-  conf.gem :core => "mruby-struct"
-
-  # Use Comparable module extension
-  conf.gem :core => "mruby-compar-ext"
-
-  # Use Enumerable module extension
-  conf.gem :core => "mruby-enum-ext"
-
-  # Use String class extension
-  conf.gem :core => "mruby-string-ext"
-
-  # Use Numeric class extension
-  conf.gem :core => "mruby-numeric-ext"
-
-  # Use Array class extension
-  conf.gem :core => "mruby-array-ext"
-
-  # Use Hash class extension
-  conf.gem :core => "mruby-hash-ext"
-
-  # Use Range class extension
-  conf.gem :core => "mruby-range-ext"
-
-  # Use Proc class extension
-  conf.gem :core => "mruby-proc-ext"
-
-  # Use Symbol class extension
-  conf.gem :core => "mruby-symbol-ext"
-
-  # Use Random class
-  conf.gem :core => "mruby-random"
-
-  # Use Object class extension
-  conf.gem :core => "mruby-object-ext"
-
-  # Use ObjectSpace class
-  conf.gem :core => "mruby-objectspace"
-
-  # Use Fiber class
-  conf.gem :core => "mruby-fiber"
-
-  # Use Enumerator class (require mruby-fiber)
-  conf.gem :core => "mruby-enumerator"
-
-  # Use Enumerator::Lazy class (require mruby-enumerator)
-  conf.gem :core => "mruby-enum-lazy"
-
-  # Use toplevel object (main) methods extension
-  conf.gem :core => "mruby-toplevel-ext"
-
-  # Use Rational/Complex numbers
-  conf.gem :core => "mruby-rational"
-  conf.gem :core => "mruby-complex"
+  gembox "stdlib"
+  gembox "stdlib-ext"
+  gembox "stdlib-io"
+  gembox "math"
+  gembox "metaprog"
 
   # Generate mrbc command
   conf.gem :core => "mruby-bin-mrbc"
@@ -92,19 +19,4 @@ MRuby::GemBox.new do |conf|
 
   # Generate mruby-config command
   conf.gem :core => "mruby-bin-config"
-
-  # Use Kernel module extension
-  conf.gem :core => "mruby-kernel-ext"
-
-  # Use class/module extension
-  conf.gem :core => "mruby-class-ext"
-
-  # Use Method/UnboundMethod class
-  conf.gem :core => "mruby-method"
-
-  # Use eval()
-  conf.gem :core => "mruby-eval"
-
-  # Use mruby-compiler to build other mrbgems
-  conf.gem :core => "mruby-compiler"
 end