diff --git a/ext/pty/README b/doc/pty/README similarity index 100% rename from ext/pty/README rename to doc/pty/README diff --git a/ext/pty/README.expect b/doc/pty/README.expect similarity index 100% rename from ext/pty/README.expect rename to doc/pty/README.expect diff --git a/ext/pty/README.expect.ja b/doc/pty/README.expect.ja similarity index 100% rename from ext/pty/README.expect.ja rename to doc/pty/README.expect.ja diff --git a/ext/pty/README.ja b/doc/pty/README.ja similarity index 100% rename from ext/pty/README.ja rename to doc/pty/README.ja diff --git a/ext/pty/expect_sample.rb b/sample/pty/expect_sample.rb similarity index 100% rename from ext/pty/expect_sample.rb rename to sample/pty/expect_sample.rb diff --git a/ext/pty/script.rb b/sample/pty/script.rb similarity index 100% rename from ext/pty/script.rb rename to sample/pty/script.rb diff --git a/ext/pty/shl.rb b/sample/pty/shl.rb similarity index 100% rename from ext/pty/shl.rb rename to sample/pty/shl.rb