diff --git a/src/detect.rs b/src/detect.rs
index 82e8702..2aaf470 100644
--- a/src/detect.rs
+++ b/src/detect.rs
@@ -5,7 +5,7 @@ use noodles::{
     bam,
     core::Position,
     gff,
-    sam::{self, header::ReferenceSequences},
+    sam::{self, alignment::Record, header::ReferenceSequences},
 };
 
 use crate::{count::get_tree, Entry, Features, SegmentPosition, StrandSpecification};
@@ -142,8 +142,6 @@ pub fn detect_specification<P>(
 where
     P: AsRef<Path>,
 {
-    use crate::record::alignment_end;
-
     let mut reader = File::open(src).map(bam::io::Reader::new)?;
     reader.read_header()?;
 
@@ -166,10 +164,11 @@ where
         };
 
         let alignment_start = record.alignment_start().transpose()?;
-        let cigar = record.cigar();
+        let alignment_end = record.alignment_end().transpose()?;
 
-        let start = alignment_start.expect("missing alignment start");
-        let end = alignment_end(alignment_start, &cigar).expect("missing alignment end")?;
+        let (Some(start), Some(end)) = (alignment_start, alignment_end) else {
+            panic!("missing alignment context");
+        };
 
         if flags.is_segmented() {
             counts.paired += 1;
diff --git a/src/lib.rs b/src/lib.rs
index 576ad94..e6e4097 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,7 +14,6 @@ pub mod feature;
 mod gff;
 mod match_intervals;
 pub mod normalization;
-pub mod record;
 pub mod record_pairs;
 
 pub use self::cli::Cli;
diff --git a/src/record.rs b/src/record.rs
deleted file mode 100644
index 352fee4..0000000
--- a/src/record.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use std::io;
-
-use noodles::{bam::record::Cigar, core::Position};
-
-pub fn alignment_end(
-    alignment_start: Option<Position>,
-    cigar: &Cigar<'_>,
-) -> Option<io::Result<Position>> {
-    let start = alignment_start?;
-
-    let span = match alignment_span(cigar) {
-        Ok(n) => n,
-        Err(e) => return Some(Err(e)),
-    };
-
-    let end = usize::from(start) + span - 1;
-
-    Position::new(end).map(Ok)
-}
-
-fn alignment_span(cigar: &Cigar<'_>) -> io::Result<usize> {
-    let mut span = 0;
-
-    for result in cigar.iter() {
-        let op = result?;
-
-        if op.kind().consumes_reference() {
-            span += op.len();
-        }
-    }
-
-    Ok(span)
-}