diff --git a/apps/desktop/src/i18n/__tests__/backendErrors.spec.ts b/apps/desktop/src/i18n/__tests__/backendErrors.spec.ts
index 3bb6ea22db..23c33daa33 100644
--- a/apps/desktop/src/i18n/__tests__/backendErrors.spec.ts
+++ b/apps/desktop/src/i18n/__tests__/backendErrors.spec.ts
@@ -166,7 +166,8 @@ describe("backend error translation", () => {
 });
 
 // Matching on message text only works while both sides agree on the wording, so
-// pin the literals that the patterns above depend on to their Rust source.
+// pin current backend literals to their Rust source. Compatibility-only patterns
+// may remain after the backend stops emitting them.
 describe("backend error wording is pinned to the Rust sources", () => {
   const rust = (path: string) => readFileSync(new URL(`../../../../../${path}`, import.meta.url), "utf8");
 
@@ -174,7 +175,6 @@ describe("backend error wording is pinned to the Rust sources", () => {
     ["crates/dbx-core/src/query_result_export.rs", "XLSX supports at most 1,048,575 data rows. Use CSV export for the full result."],
     ["crates/dbx-core/src/query_result_export.rs", "Streaming export is unsupported for this query. Simplify it or use a supported driver."],
     ["crates/dbx-core/src/query_result_export.rs", "Streaming export needs a result-set session, but this driver returned no session_id."],
-    ["crates/dbx-core/src/query.rs", "The previous DuckDB query is still stopping. Please try again shortly."],
     ["crates/dbx-core/src/agent_service.rs", "Failed to remove the old JRE directory: "],
     ["crates/dbx-core/src/agent_service.rs", "is in use by drivers: "],
     ["crates/dbx-core/src/agent_service.rs", "agent-registry.json not found in the ZIP; not a valid offline driver package."],
diff --git a/apps/desktop/src/i18n/backend-errors.ts b/apps/desktop/src/i18n/backend-errors.ts
index ba85d673d7..963056e8df 100644
--- a/apps/desktop/src/i18n/backend-errors.ts
+++ b/apps/desktop/src/i18n/backend-errors.ts
@@ -68,7 +68,7 @@ const patterns: [RegExp, string][] = [
   [/^Streaming export is unsupported for this query\. Simplify it or use a supported driver\.$/, "exportProgress.streamingUnsupported"],
   [/^Streaming export needs a result-set session, but this driver returned no session_id\.$/, "exportProgress.agentSessionMissing"],
 
-  // Query execution (crates/dbx-core/src/query.rs)
+  // Legacy bundled DuckDB error kept for compatibility with older backends.
   [/^The previous DuckDB query is still stopping\. Please try again shortly\.$/, "editor.duckdbDraining"],
 
   // Driver / JRE management (crates/dbx-core/src/agent_service.rs, routes/agents.rs)