diff --git a/hil-test/tests/uart_regression.rs b/hil-test/tests/uart_regression.rs
index de1d9ad02..1bfb18af5 100644
--- a/hil-test/tests/uart_regression.rs
+++ b/hil-test/tests/uart_regression.rs
@@ -21,7 +21,7 @@ mod tests {
 
         let (rx, mut tx) = hil_test::common_test_pins!(peripherals);
 
-        let mut rx = UartRx::new(peripherals.UART1, uart::Config::default(), rx).unwrap();
+        let mut rx = UartRx::new(peripherals.UART1, uart::Config::default()).unwrap().with_rx(rx);
 
         // start reception
         _ = rx.read_byte(); // this will just return WouldBlock
@@ -29,7 +29,7 @@ mod tests {
         unsafe { tx.set_output_high(false, esp_hal::Internal::conjure()) };
 
         // set up TX and send a byte
-        let mut tx = UartTx::new(peripherals.UART0, uart::Config::default(), tx).unwrap();
+        let mut tx = UartTx::new(peripherals.UART0, uart::Config::default()).unwrap().with_tx(tx);
 
         tx.flush().unwrap();
         tx.write_bytes(&[0x42]).unwrap();
diff --git a/hil-test/tests/uart_tx_rx.rs b/hil-test/tests/uart_tx_rx.rs
index fb20e0b26..76e539d30 100644
--- a/hil-test/tests/uart_tx_rx.rs
+++ b/hil-test/tests/uart_tx_rx.rs
@@ -28,8 +28,8 @@ mod tests {
 
         let (rx, tx) = hil_test::common_test_pins!(peripherals);
 
-        let tx = UartTx::new(peripherals.UART0, uart::Config::default(), tx).unwrap();
-        let rx = UartRx::new(peripherals.UART1, uart::Config::default(), rx).unwrap();
+        let tx = UartTx::new(peripherals.UART0, uart::Config::default()).unwrap().with_tx(tx);
+        let rx = UartRx::new(peripherals.UART1, uart::Config::default()).unwrap().with_rx(rx);
 
         Context { rx, tx }
     }
diff --git a/hil-test/tests/uart_tx_rx_async.rs b/hil-test/tests/uart_tx_rx_async.rs
index 30b916e75..5e8822a01 100644
--- a/hil-test/tests/uart_tx_rx_async.rs
+++ b/hil-test/tests/uart_tx_rx_async.rs
@@ -28,11 +28,13 @@ mod tests {
 
         let (rx, tx) = hil_test::common_test_pins!(peripherals);
 
-        let tx = UartTx::new(peripherals.UART0, uart::Config::default(), tx)
+        let tx = UartTx::new(peripherals.UART0, uart::Config::default())
             .unwrap()
+            .with_tx(tx)
             .into_async();
-        let rx = UartRx::new(peripherals.UART1, uart::Config::default(), rx)
+        let rx = UartRx::new(peripherals.UART1, uart::Config::default())
             .unwrap()
+            .with_rx(rx)
             .into_async();
 
         Context { rx, tx }