diff --git a/boards/rp-pico/examples/pico_uart_irq_buffer.rs b/boards/rp-pico/examples/pico_uart_irq_buffer.rs
index 685f9f8..c4681d9 100644
--- a/boards/rp-pico/examples/pico_uart_irq_buffer.rs
+++ b/boards/rp-pico/examples/pico_uart_irq_buffer.rs
@@ -73,10 +73,6 @@ struct UartQueue {
     interrupt: pac::Interrupt,
 }
 
-/// External high-speed crystal on the Raspberry Pi Pico board is 12 MHz. Adjust
-/// if your board has a different frequency
-const XTAL_FREQ_HZ: u32 = 12_000_000u32;
-
 /// This how we transfer the UART into the Interrupt Handler
 static GLOBAL_UART: Mutex<RefCell<Option<Uart>>> = Mutex::new(RefCell::new(None));
 
@@ -105,7 +101,7 @@ fn main() -> ! {
 
     // Configure the clocks
     let clocks = hal::clocks::init_clocks_and_plls(
-        XTAL_FREQ_HZ,
+        rp_pico::XOSC_CRYSTAL_FREQ,
         pac.XOSC,
         pac.CLOCKS,
         pac.PLL_SYS,
diff --git a/boards/rp-pico/examples/pico_uart_irq_echo.rs b/boards/rp-pico/examples/pico_uart_irq_echo.rs
index 6835d22..fdf6918 100644
--- a/boards/rp-pico/examples/pico_uart_irq_echo.rs
+++ b/boards/rp-pico/examples/pico_uart_irq_echo.rs
@@ -64,10 +64,6 @@ type UartPins = (
 /// Alias the type for our UART to make things clearer.
 type Uart = hal::uart::UartPeripheral<hal::uart::Enabled, pac::UART0, UartPins>;
 
-/// External high-speed crystal on the Raspberry Pi Pico board is 12 MHz. Adjust
-/// if your board has a different frequency
-const XTAL_FREQ_HZ: u32 = 12_000_000u32;
-
 /// This how we transfer the UART into the Interrupt Handler
 static GLOBAL_UART: Mutex<RefCell<Option<Uart>>> = Mutex::new(RefCell::new(None));
 
@@ -89,7 +85,7 @@ fn main() -> ! {
 
     // Configure the clocks
     let clocks = hal::clocks::init_clocks_and_plls(
-        XTAL_FREQ_HZ,
+        rp_pico::XOSC_CRYSTAL_FREQ,
         pac.XOSC,
         pac.CLOCKS,
         pac.PLL_SYS,