diff --git a/pio_hal/pio_hal.cc b/pio_hal/pio_hal.cc
index 1d778d3..d430108 100644
--- a/pio_hal/pio_hal.cc
+++ b/pio_hal/pio_hal.cc
@@ -276,9 +276,8 @@
   const char* uart_pins[2] = {"IO0", "IO1"};
   callbacks->register_simple_source("UART", uart_pins, 2);
 
-  // TODO(leecam): Add UART back in once UART code lands
-  //callbacks->register_uart_bus("UART1", "/dev/ttyMFD1");
-  //callbacks->set_uart_pin_mux("UART1", "UART");
+  callbacks->register_uart_bus("UART1", "/dev/ttyMFD1");
+  callbacks->set_uart_pin_mux("UART1", "UART");
 
   // Enable the Tri-State
   set_pin_direction(214, "out");