diff --git a/src/actions/notifications.rs b/src/actions/notifications.rs
index 2b18c5095ea..2ac3a73134b 100644
--- a/src/actions/notifications.rs
+++ b/src/actions/notifications.rs
@@ -15,7 +15,6 @@ use crate::Span;
 use log::{debug, trace, warn};
 use rls_vfs::{Change, VfsSpan};
 use serde::Deserialize;
-use serde_json;
 use std::sync::atomic::Ordering;
 
 use crate::build::*;
diff --git a/src/build/rustc.rs b/src/build/rustc.rs
index b22396baed3..be3c52c688b 100644
--- a/src/build/rustc.rs
+++ b/src/build/rustc.rs
@@ -301,7 +301,6 @@ impl<'a> CompilerCalls<'a> for RlsRustcCalls {
                 edition: match state.session.edition() {
                     RustcEdition::Edition2015 => Edition::Edition2015,
                     RustcEdition::Edition2018 => Edition::Edition2018,
-                    _ => Edition::default(),
                 },
             };
             let files = fetch_input_files(state.session);