diff --git a/src/message.rs b/src/message.rs
index cfffb32..d594f3f 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -202,53 +202,3 @@ impl RxHeader {
         }
     }
 }
-
-/// Receive message object header
-#[bitfield(bits = 64)]
-#[derive(Default, PartialEq, Eq, Debug)]
-#[repr(u64)]
-pub struct RxHeader {
-    // R0
-    #[skip]
-    __: B2,
-    sid11: bool,
-    extended_identifier: B18,
-    standard_identifier: B11,
-    #[skip]
-    __: B16,
-    filter_hit: B5,
-    #[skip]
-    __: B2,
-    error_status_indicator: bool,
-    fd_frame: bool,
-    bit_rate_switch: bool,
-    remote_transmission_request: bool,
-    identifier_extension_flag: bool,
-    data_length_code: DLC,
-}
-
-impl RxHeader {
-    fn get_id(&self) -> Id {
-        if self.identifier_extension_flag() {
-            let id = ((self.standard_identifier() as u32) << 18) | (self.extended_identifier());
-            let extended_id = ExtendedId::new(id);
-            Id::Extended(extended_id.unwrap())
-        } else {
-            let id = StandardId::new(self.standard_identifier());
-            Id::Standard(id.unwrap())
-        }
-    }
-    #[cfg(test)]
-    pub fn new_test_cfg(identifier: Id) -> Self {
-        match identifier {
-            Id::Extended(eid) => Self::new()
-                .with_data_length_code(DLC::Eight)
-                .with_standard_identifier((eid.as_raw() >> 18) as u16 & STANDARD_IDENTIFIER_MASK)
-                .with_extended_identifier(eid.as_raw() & EXTENDED_IDENTIFIER_MASK)
-                .with_identifier_extension_flag(true),
-            Id::Standard(sid) => Self::new()
-                .with_data_length_code(DLC::Eight)
-                .with_standard_identifier(sid.as_raw()),
-        }
-    }
-}
diff --git a/src/registers.rs b/src/registers.rs
index 82976b6..434003d 100644
--- a/src/registers.rs
+++ b/src/registers.rs
@@ -1,4 +1,5 @@
 use modular_bitfield_msb::prelude::*;
+
 /// Fourth byte of FIFO Control register
 #[bitfield]
 #[derive(Default)]
diff --git a/src/tests/can.rs b/src/tests/can.rs
index 15ac759..e61f18f 100644
--- a/src/tests/can.rs
+++ b/src/tests/can.rs
@@ -276,6 +276,7 @@ fn test_transmit() {
 fn test_receive() {
     let mut mocks = Mocks::default();
 
+    let mut seq = Sequence::new();
     let id = ExtendedId::new(EXTENDED_ID).unwrap();
 
     // custom Rx message header for testing
@@ -284,10 +285,10 @@ fn test_receive() {
     let mut message_buff = [0u8; 16];
 
     // status register read
-    mocks.mock_register_read::<0b0000_0001>([0x30, 0x60]);
+    mocks.mock_register_read::<0b0000_0001>([0x30, 0x60], &mut seq);
 
     // user address register read
-    mocks.mock_read32::<0x00_00_04_7C>([0x30, 0x64]);
+    mocks.mock_read32::<0x00_00_04_7C>([0x30, 0x64], &mut seq);
 
     // Message read from RAM address 0x47C
     //transfer cmd+address