diff --git a/config/mruby/build_config.rb b/config/mruby/build_config.rb
deleted file mode 100644
index c44d094..0000000
--- a/config/mruby/build_config.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-# check for flags here:
-#  default configuration: https://github.com/mruby/mruby/blob/master/build_config/default.rb
-#  compilation guide: https://github.com/mruby/mruby/blob/master/doc/guides/compile.md
-
-MRuby::Build.new do |conf|
-  conf.toolchain
-
-  # our gems
-  conf.gem '../../mrbgems/core'
-  conf.gem '../../mrbgems/oneshot'
-  conf.gem '../../mrbgems/sunshine' # :3
-
-  # core gems
-  conf.gem :core => 'mruby-bin-config' # mruby-config would be used in CMakeLists.txt
-
-  if ENV.include?('DEBUG')
-    conf.enable_debug
-  end
-end
diff --git a/src/debugwriter.h b/src/debugwriter.h
index a688095..8c58fca 100644
--- a/src/debugwriter.h
+++ b/src/debugwriter.h
@@ -62,7 +62,7 @@ public:
 #elif __EMSCRIPTEN__
 		emscripten_console_log(buf.str().c_str());		
 #else
-		std::cerr << buf.str() << std::endl;
+		std::cerr << buf.str() << "\n";
 #endif
 	}