diff --git a/share/ruby-build/2.0.0-dev b/share/ruby-build/2.0.0-dev
index 294a8a40..0729e7e1 100644
--- a/share/ruby-build/2.0.0-dev
+++ b/share/ruby-build/2.0.0-dev
@@ -1,3 +1,2 @@
-install_package "yaml-0.1.5" "http://pyyaml.org/download/libyaml/yaml-0.1.5.tar.gz#24f6093c1e840ca5df2eb09291a1dbf1" --if needs_yaml
 install_package "openssl-1.0.1e" "https://www.openssl.org/source/openssl-1.0.1e.tar.gz#66bf6f10f060d561929de96f9dfe5b8c" mac_openssl --if has_broken_mac_openssl
 install_git "ruby-2.0.0-dev" "https://github.com/ruby/ruby.git" "ruby_2_0_0" autoconf standard verify_openssl
diff --git a/share/ruby-build/2.1.0-dev b/share/ruby-build/2.1.0-dev
index c8b551e8..a928605e 100644
--- a/share/ruby-build/2.1.0-dev
+++ b/share/ruby-build/2.1.0-dev
@@ -1,3 +1,2 @@
-install_package "yaml-0.1.5" "http://pyyaml.org/download/libyaml/yaml-0.1.5.tar.gz#24f6093c1e840ca5df2eb09291a1dbf1" --if needs_yaml
 install_package "openssl-1.0.1e" "https://www.openssl.org/source/openssl-1.0.1e.tar.gz#66bf6f10f060d561929de96f9dfe5b8c" mac_openssl --if has_broken_mac_openssl
 install_git "ruby-2.1.0-dev" "https://github.com/ruby/ruby.git" "ruby_2_1" ldflags_dirs autoconf standard verify_openssl