1 files changed, 4 insertions, 2 deletions

diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index 110e54180..8bceaaf72 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -108,10 +108,12 @@ export class Config {
     }
 
     get debug() {
+        // "/rustc/<id>" used by suggestions only.
+        const { ["/rustc/<id>"]: _, ...sourceFileMap } = this.get<Record<string, string>>("debug.sourceFileMap");
+
         return {
             engine: this.get<string>("debug.engine"),
-            sourceFileMap: this.get<Record<string, string>>("debug.sourceFileMap"),
+            sourceFileMap: sourceFileMap,
         };
     }
-
 }