diff --git a/src/runtime/src/main.rs b/src/runtime/src/main.rs
index 70c74db..3f40e0d 100644
--- a/src/runtime/src/main.rs
+++ b/src/runtime/src/main.rs
@@ -119,10 +119,8 @@ fn wait_for_virtual_leds_change() -> nb::Result<(), Void> {
 }
 #[cfg(all(feature = "target_kasli_soc", has_drtio))]
 async fn async_rtio_led() {
-    let i2c0 = unsafe { (&mut i2c::I2C_BUS).as_mut().unwrap() };
-    let i2c1 = unsafe { (&mut i2c::I2C_BUS).as_mut().unwrap() };
-    let mut io_expander0 = io_expander::IoExpander::new(i2c0, 0).unwrap();
-    let mut io_expander1 = io_expander::IoExpander::new(i2c1, 1).unwrap();
+    let mut io_expander0 = io_expander::IoExpander::new(unsafe { (&mut i2c::I2C_BUS).as_mut().unwrap() }, 0).unwrap();
+    let mut io_expander1 = io_expander::IoExpander::new(unsafe { (&mut i2c::I2C_BUS).as_mut().unwrap() }, 1).unwrap();
     loop {
         let _ = block_async!(wait_for_virtual_leds_change()).await;
         io_expander0.service().expect("I2C I/O expander #0 service failed");
diff --git a/src/satman/src/main.rs b/src/satman/src/main.rs
index 9ed6570..8944145 100644
--- a/src/satman/src/main.rs
+++ b/src/satman/src/main.rs
@@ -658,7 +658,6 @@ pub extern "C" fn main_core0() -> i32 {
     let mut i2c0 = I2c::i2c0();
     let mut i2c1 = I2c::i2c0();
     i2c0.init().expect("I2C0 initialization failed");
-    i2c1.init().expect("I2C1 initialization failed");
     let mut io_expander0 = io_expander::IoExpander::new(&mut i2c0, 0).unwrap();
     let mut io_expander1 = io_expander::IoExpander::new(&mut i2c1, 1).unwrap();