diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs
index 4b2dcc7a70bc4..2a3693a360f21 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder.rs
@@ -1581,7 +1581,6 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
                     non_narrow_chars,
                     normalized_pos,
                     start_pos,
-                    end_pos,
                     source_file_index,
                 );
                 debug!(
diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs
index c0fbb7f2c9f8e..108b169e30631 100644
--- a/compiler/rustc_span/src/source_map.rs
+++ b/compiler/rustc_span/src/source_map.rs
@@ -336,7 +336,6 @@ impl SourceMap {
         mut file_local_non_narrow_chars: Vec<NonNarrowChar>,
         mut file_local_normalized_pos: Vec<NormalizedPos>,
         original_start_pos: BytePos,
-        _original_end_pos: BytePos,
         metadata_index: u32,
     ) -> Lrc<SourceFile> {
         let start_pos = self
diff --git a/compiler/rustc_span/src/source_map/tests.rs b/compiler/rustc_span/src/source_map/tests.rs
index 2cada019b7f84..3058ec45a6468 100644
--- a/compiler/rustc_span/src/source_map/tests.rs
+++ b/compiler/rustc_span/src/source_map/tests.rs
@@ -251,7 +251,6 @@ fn t10() {
         non_narrow_chars,
         normalized_pos,
         start_pos,
-        end_pos,
         0,
     );