diff --git a/examples/rtic/Cargo.toml b/examples/rtic/Cargo.toml
index 31425db..bcbdff2 100644
--- a/examples/rtic/Cargo.toml
+++ b/examples/rtic/Cargo.toml
@@ -35,6 +35,8 @@ features = ["critical-section"]
 [dependencies.ringbuf]
 version = "0.4.7"
 default-features = false
+git = "https://github.com/robamu/ringbuf.git"
+branch = "remove-mut-on-split-ref"
 features = ["portable-atomic"]
 
 [dependencies.va108xx-hal]
diff --git a/examples/rtic/src/bin/uart-echo-rtic.rs b/examples/rtic/src/bin/uart-echo-rtic.rs
index 7392470..351418f 100644
--- a/examples/rtic/src/bin/uart-echo-rtic.rs
+++ b/examples/rtic/src/bin/uart-echo-rtic.rs
@@ -12,7 +12,7 @@ use ringbuf::StaticRb;
 const RX_RING_BUF_SIZE: usize = 1024;
 
 // Ring buffers to handling variable sized telemetry
-static mut RINGBUF: Lazy<StaticRb<u8, RX_RING_BUF_SIZE>> =
+static RINGBUF: Lazy<StaticRb<u8, RX_RING_BUF_SIZE>> =
     Lazy::new(StaticRb::<u8, RX_RING_BUF_SIZE>::default);
 
 #[rtic::app(device = pac, dispatchers = [OC4])]
@@ -71,7 +71,7 @@ mod app {
 
         rx.start();
 
-        let (data_producer, data_consumer) = unsafe { RINGBUF.split_ref() };
+        let (data_producer, data_consumer) = RINGBUF.split_ref();
         echo_handler::spawn().unwrap();
         (
             Shared {},
diff --git a/flashloader/Cargo.toml b/flashloader/Cargo.toml
index 65e701a..a6278c6 100644
--- a/flashloader/Cargo.toml
+++ b/flashloader/Cargo.toml
@@ -25,6 +25,8 @@ version = "0.4"
 [dependencies.ringbuf]
 version = "0.4.7"
 default-features = false
+git = "https://github.com/robamu/ringbuf.git"
+branch = "remove-mut-on-split-ref"
 features = ["portable-atomic"]
 
 [dependencies.once_cell]
diff --git a/flashloader/src/main.rs b/flashloader/src/main.rs
index 2f122da..da32a79 100644
--- a/flashloader/src/main.rs
+++ b/flashloader/src/main.rs
@@ -45,15 +45,15 @@ const BUF_RB_SIZE_TM: usize = 256;
 const SIZES_RB_SIZE_TM: usize = 16;
 
 // Ring buffers to handling variable sized telemetry
-static mut BUF_RB_TM: Lazy<StaticRb<u8, BUF_RB_SIZE_TM>> =
+static BUF_RB_TM: Lazy<StaticRb<u8, BUF_RB_SIZE_TM>> =
     Lazy::new(StaticRb::<u8, BUF_RB_SIZE_TM>::default);
-static mut SIZES_RB_TM: Lazy<StaticRb<usize, SIZES_RB_SIZE_TM>> =
+static SIZES_RB_TM: Lazy<StaticRb<usize, SIZES_RB_SIZE_TM>> =
     Lazy::new(StaticRb::<usize, SIZES_RB_SIZE_TM>::default);
 
 // Ring buffers to handling variable sized telecommands
-static mut BUF_RB_TC: Lazy<StaticRb<u8, BUF_RB_SIZE_TC>> =
+static BUF_RB_TC: Lazy<StaticRb<u8, BUF_RB_SIZE_TC>> =
     Lazy::new(StaticRb::<u8, BUF_RB_SIZE_TC>::default);
-static mut SIZES_RB_TC: Lazy<StaticRb<usize, SIZES_RB_SIZE_TC>> =
+static SIZES_RB_TC: Lazy<StaticRb<usize, SIZES_RB_SIZE_TC>> =
     Lazy::new(StaticRb::<usize, SIZES_RB_SIZE_TC>::default);
 
 pub struct DataProducer<const BUF_SIZE: usize, const SIZES_LEN: usize> {
@@ -149,11 +149,11 @@ mod app {
 
         let verif_reporter = VerificationReportCreator::new(0).unwrap();
 
-        let (buf_prod_tm, buf_cons_tm) = unsafe { BUF_RB_TM.split_ref() };
-        let (sizes_prod_tm, sizes_cons_tm) = unsafe { SIZES_RB_TM.split_ref() };
+        let (buf_prod_tm, buf_cons_tm) = BUF_RB_TM.split_ref();
+        let (sizes_prod_tm, sizes_cons_tm) = SIZES_RB_TM.split_ref();
 
-        let (buf_prod_tc, buf_cons_tc) = unsafe { BUF_RB_TC.split_ref() };
-        let (sizes_prod_tc, sizes_cons_tc) = unsafe { SIZES_RB_TC.split_ref() };
+        let (buf_prod_tc, buf_cons_tc) = BUF_RB_TC.split_ref();
+        let (sizes_prod_tc, sizes_cons_tc) = SIZES_RB_TC.split_ref();
 
         let mut rx_context = IrqContextTimeoutOrMaxSize::new(MAX_TC_FRAME_SIZE);
         rx.read_fixed_len_or_timeout_based_using_irq(&mut rx_context)
diff --git a/va108xx-hal/src/gpio/pin.rs b/va108xx-hal/src/gpio/pin.rs
index ad91f85..944c7e8 100644
--- a/va108xx-hal/src/gpio/pin.rs
+++ b/va108xx-hal/src/gpio/pin.rs
@@ -320,7 +320,6 @@ macro_rules! pin_id {
 //==================================================================================================
 
 /// A type-level GPIO pin, parameterized by [PinId] and [PinMode] types
-
 pub struct Pin<I: PinId, M: PinMode> {
     pub(in crate::gpio) regs: Registers<I>,
     mode: PhantomData<M>,
diff --git a/va108xx-hal/src/uart.rs b/va108xx-hal/src/uart.rs
index f1b3ae5..d960c7a 100644
--- a/va108xx-hal/src/uart.rs
+++ b/va108xx-hal/src/uart.rs
@@ -284,17 +284,17 @@ impl IrqResultMaxSizeOrTimeout {
 
     #[inline]
     pub fn overflow_error(&self) -> bool {
-        self.errors.map_or(false, |e| e.overflow)
+        self.errors.is_some_and(|e| e.overflow)
     }
 
     #[inline]
     pub fn framing_error(&self) -> bool {
-        self.errors.map_or(false, |e| e.framing)
+        self.errors.is_some_and(|e| e.framing)
     }
 
     #[inline]
     pub fn parity_error(&self) -> bool {
-        self.errors.map_or(false, |e| e.parity)
+        self.errors.is_some_and(|e| e.parity)
     }
 
     #[inline]