2 files changed, 3 insertions, 3 deletions
diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs
index d055937ac36..c5b3d204407 100644
--- a/compiler/rustc_errors/src/json/tests.rs
+++ b/compiler/rustc_errors/src/json/tests.rs
@@ -64,7 +64,7 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) {
 
         let bytes = output.lock().unwrap();
         let actual_output = str::from_utf8(&bytes).unwrap();
-        let actual_output: TestData = decode(actual_output).unwrap();
+        let actual_output: TestData = decode(actual_output);
 
         assert_eq!(expected_output, actual_output)
     })
diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index a681298301a..dbacbba2ce0 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -99,8 +99,8 @@ impl Hash for ToolMetadata {
 
 // Doesn't really need to round-trip
 impl<D: Decoder> Decodable<D> for ToolMetadata {
-    fn decode(_d: &mut D) -> Result<Self, D::Error> {
-        Ok(ToolMetadata(None))
+    fn decode(_d: &mut D) -> Self {
+        ToolMetadata(None)
     }
 }