diff --git a/src/layout.py b/src/layout.py
deleted file mode 100644
index 34f490339..000000000
--- a/src/layout.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from trezor import ui
-
-def show_send(address, amount, currency='BTC'):
-   ui.display.bar(0, 0, 240, 40, ui.GREEN)
-   ui.display.bar(0, 40, 240, 200, ui.WHITE)
-   ui.display.text(10, 28, 'Sending', ui.BOLD, ui.WHITE, ui.GREEN)
-   ui.display.text(10, 80, '%f %s' % (amount, currency), ui.BOLD, ui.BLACK, ui.WHITE)
-   ui.display.text(10, 110, 'to this address:', ui.NORMAL, ui.BLACK, ui.WHITE)
-   ui.display.text(10, 140, address[:18], ui.MONO, ui.BLACK, ui.WHITE)
-   ui.display.text(10, 160, address[18:], ui.MONO, ui.BLACK, ui.WHITE)
diff --git a/src/lib/uasyncio/core.py b/src/lib/uasyncio/loop.py
similarity index 100%
rename from src/lib/uasyncio/core.py
rename to src/lib/uasyncio/loop.py
diff --git a/src/playground/trezor.toig b/src/playground/trezor.toig
new file mode 100644
index 000000000..8ab461e3b
Binary files /dev/null and b/src/playground/trezor.toig differ