diff --git a/cyw43/src/bus.rs b/cyw43/src/bus.rs
index ed031861..32aed697 100644
--- a/cyw43/src/bus.rs
+++ b/cyw43/src/bus.rs
@@ -252,14 +252,14 @@ where
         if len == 4 {
             bus_addr |= BACKPLANE_ADDRESS_32BIT_FLAG;
         }
-
+        
         let val = self.readn(FUNC_BACKPLANE, bus_addr, len).await;
 
         debug!("backplane_readn addr = {:08x} len = {} val = {:08x}", addr, len, val);
 
         self.backplane_set_window(0x18000000).await; // CHIPCOMMON_BASE_ADDRESS
 
-        return val;
+        return val
     }
 
     async fn backplane_writen(&mut self, addr: u32, val: u32, len: u32) {
@@ -307,7 +307,7 @@ where
             )
             .await;
         }
-
+        
         self.backplane_window = new_window;
     }
 
@@ -345,10 +345,7 @@ where
 
         self.status = self.spi.cmd_read(cmd, &mut buf[..len]).await;
 
-        debug!(
-            "readn cmd = {:08x} addr = {:08x} len = {} buf = {:08x}",
-            cmd, addr, len, buf
-        );
+        debug!("readn cmd = {:08x} addr = {:08x} len = {} buf = {:08x}", cmd, addr, len, buf);
 
         // if we read from the backplane, the result is in the second word, after the response delay
         if func == FUNC_BACKPLANE {
diff --git a/cyw43/src/consts.rs b/cyw43/src/consts.rs
index e845f19d..e0357a5c 100644
--- a/cyw43/src/consts.rs
+++ b/cyw43/src/consts.rs
@@ -65,8 +65,8 @@ pub(crate) const REG_BACKPLANE_READ_FRAME_BC_HIGH: u32 = 0x1001C;
 pub(crate) const REG_BACKPLANE_WAKEUP_CTRL: u32 = 0x1001E;
 pub(crate) const REG_BACKPLANE_SLEEP_CSR: u32 = 0x1001F;
 
-pub(crate) const I_HMB_SW_MASK: u32 = (0x000000f0);
-pub(crate) const I_HMB_FC_CHANGE: u32 = (1 << 5);
+pub(crate) const I_HMB_SW_MASK: u32 = 0x000000f0;
+pub(crate) const I_HMB_FC_CHANGE: u32 = 1 << 5;
 pub(crate) const SDIO_INT_STATUS: u32 = 0x20;
 pub(crate) const SDIO_INT_HOST_MASK: u32 = 0x24;
 
@@ -142,18 +142,6 @@ pub(crate) const MAX_PSK_LEN: usize = 64;
 // Bluetooth constants.
 pub(crate) const SPI_RESP_DELAY_F1: u32 = 0x001d;
 pub(crate) const WHD_BUS_SPI_BACKPLANE_READ_PADD_SIZE: u8 = 4;
-pub(crate) const CYW43_BACKPLANE_READ_PAD_LEN_BYTES: u8 = 16;
-
-pub(crate) const BTFW_ADDR_MODE_UNKNOWN: i32 = 0;
-pub(crate) const BTFW_ADDR_MODE_EXTENDED: i32 = 1;
-pub(crate) const BTFW_ADDR_MODE_SEGMENT: i32 = 2;
-pub(crate) const BTFW_ADDR_MODE_LINEAR32: i32 = 3;
-
-pub(crate) const BTFW_HEX_LINE_TYPE_DATA: u8 = 0;
-pub(crate) const BTFW_HEX_LINE_TYPE_END_OF_DATA: u8 = 1;
-pub(crate) const BTFW_HEX_LINE_TYPE_EXTENDED_SEGMENT_ADDRESS: u8 = 2;
-pub(crate) const BTFW_HEX_LINE_TYPE_EXTENDED_ADDRESS: u8 = 4;
-pub(crate) const BTFW_HEX_LINE_TYPE_ABSOLUTE_32BIT_ADDRESS: u8 = 5;
 
 pub(crate) const BT2WLAN_PWRUP_WAKE: u32 = 3;
 pub(crate) const BT2WLAN_PWRUP_ADDR: u32 = 0x640894;
@@ -162,11 +150,11 @@ pub(crate) const BT_CTRL_REG_ADDR: u32 = 0x18000c7c;
 pub(crate) const HOST_CTRL_REG_ADDR: u32 = 0x18000d6c;
 pub(crate) const WLAN_RAM_BASE_REG_ADDR: u32 = 0x18000d68;
 
-pub(crate) const BTSDIO_REG_DATA_VALID_BITMASK: u32 = (1 << 1);
-pub(crate) const BTSDIO_REG_BT_AWAKE_BITMASK: u32 = (1 << 8);
-pub(crate) const BTSDIO_REG_WAKE_BT_BITMASK: u32 = (1 << 17);
-pub(crate) const BTSDIO_REG_SW_RDY_BITMASK: u32 = (1 << 24);
-pub(crate) const BTSDIO_REG_FW_RDY_BITMASK: u32 = (1 << 24);
+pub(crate) const BTSDIO_REG_DATA_VALID_BITMASK: u32 = 1 << 1;
+pub(crate) const BTSDIO_REG_BT_AWAKE_BITMASK: u32 = 1 << 8;
+pub(crate) const BTSDIO_REG_WAKE_BT_BITMASK: u32 = 1 << 17;
+pub(crate) const BTSDIO_REG_SW_RDY_BITMASK: u32 = 1 << 24;
+pub(crate) const BTSDIO_REG_FW_RDY_BITMASK: u32 = 1 << 24;
 
 // Security type (authentication and encryption types are combined using bit mask)
 #[allow(non_camel_case_types)]
diff --git a/examples/rp/memory.x b/examples/rp/memory.x
index 7bc60f88..aba861aa 100644
--- a/examples/rp/memory.x
+++ b/examples/rp/memory.x
@@ -2,4 +2,4 @@ MEMORY {
     BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
     FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100
     RAM   : ORIGIN = 0x20000000, LENGTH = 256K
-}
+}
\ No newline at end of file