diff --git a/extensions/ql-vscode/src/query-history/store/query-history-dto-mapper.ts b/extensions/ql-vscode/src/query-history/store/query-history-dto-mapper.ts
index 2450e6897..c06e86019 100644
--- a/extensions/ql-vscode/src/query-history/store/query-history-dto-mapper.ts
+++ b/extensions/ql-vscode/src/query-history/store/query-history-dto-mapper.ts
@@ -1,10 +1,7 @@
 import type { QueryHistoryInfo } from "../query-history-info";
 import type { QueryHistoryItemDto } from "./query-history-dto";
-import { QueryLanguageDto } from "./query-history-dto";
 import { mapQueryHistoryVariantAnalysisToDomainModel } from "./query-history-variant-analysis-dto-mapper";
 import { mapLocalQueryItemToDomainModel } from "./query-history-local-query-dto-mapper";
-import { QueryLanguage } from "../../common/query-language";
-import { assertNever } from "../../common/helpers-pure";
 
 export function mapQueryHistoryToDomainModel(
   queries: QueryHistoryItemDto[],
@@ -23,28 +20,3 @@ export function mapQueryHistoryToDomainModel(
     );
   });
 }
-
-export function mapQueryLanguageToDomainModel(
-  language: QueryLanguageDto,
-): QueryLanguage {
-  switch (language) {
-    case QueryLanguageDto.CSharp:
-      return QueryLanguage.CSharp;
-    case QueryLanguageDto.Cpp:
-      return QueryLanguage.Cpp;
-    case QueryLanguageDto.Go:
-      return QueryLanguage.Go;
-    case QueryLanguageDto.Java:
-      return QueryLanguage.Java;
-    case QueryLanguageDto.Javascript:
-      return QueryLanguage.Javascript;
-    case QueryLanguageDto.Python:
-      return QueryLanguage.Python;
-    case QueryLanguageDto.Ruby:
-      return QueryLanguage.Ruby;
-    case QueryLanguageDto.Swift:
-      return QueryLanguage.Swift;
-    default:
-      assertNever(language);
-  }
-}
diff --git a/extensions/ql-vscode/src/query-history/store/query-history-language-dto-mapper.ts b/extensions/ql-vscode/src/query-history/store/query-history-language-dto-mapper.ts
new file mode 100644
index 000000000..deea1bfd8
--- /dev/null
+++ b/extensions/ql-vscode/src/query-history/store/query-history-language-dto-mapper.ts
@@ -0,0 +1,28 @@
+import { QueryLanguageDto } from "./query-history-dto";
+import { QueryLanguage } from "../../common/query-language";
+import { assertNever } from "../../common/helpers-pure";
+
+export function mapQueryLanguageToDomainModel(
+  language: QueryLanguageDto,
+): QueryLanguage {
+  switch (language) {
+    case QueryLanguageDto.CSharp:
+      return QueryLanguage.CSharp;
+    case QueryLanguageDto.Cpp:
+      return QueryLanguage.Cpp;
+    case QueryLanguageDto.Go:
+      return QueryLanguage.Go;
+    case QueryLanguageDto.Java:
+      return QueryLanguage.Java;
+    case QueryLanguageDto.Javascript:
+      return QueryLanguage.Javascript;
+    case QueryLanguageDto.Python:
+      return QueryLanguage.Python;
+    case QueryLanguageDto.Ruby:
+      return QueryLanguage.Ruby;
+    case QueryLanguageDto.Swift:
+      return QueryLanguage.Swift;
+    default:
+      assertNever(language);
+  }
+}
diff --git a/extensions/ql-vscode/src/query-history/store/query-history-local-query-dto-mapper.ts b/extensions/ql-vscode/src/query-history/store/query-history-local-query-dto-mapper.ts
index 33b8d03e4..ee6765c80 100644
--- a/extensions/ql-vscode/src/query-history/store/query-history-local-query-dto-mapper.ts
+++ b/extensions/ql-vscode/src/query-history/store/query-history-local-query-dto-mapper.ts
@@ -18,7 +18,7 @@ import type {
   SortedResultSetInfo,
 } from "../../common/interface-types";
 import { SortDirection } from "../../common/interface-types";
-import { mapQueryLanguageToDomainModel } from "./query-history-dto-mapper";
+import { mapQueryLanguageToDomainModel } from "./query-history-language-dto-mapper";
 
 export function mapLocalQueryItemToDomainModel(
   localQuery: QueryHistoryLocalQueryDto,
diff --git a/extensions/ql-vscode/src/query-history/store/query-history-variant-analysis-dto-mapper.ts b/extensions/ql-vscode/src/query-history/store/query-history-variant-analysis-dto-mapper.ts
index d4dce4387..781315229 100644
--- a/extensions/ql-vscode/src/query-history/store/query-history-variant-analysis-dto-mapper.ts
+++ b/extensions/ql-vscode/src/query-history/store/query-history-variant-analysis-dto-mapper.ts
@@ -27,7 +27,7 @@ import {
 import { assertNever } from "../../common/helpers-pure";
 import { QueryStatus } from "../query-status";
 import type { VariantAnalysisHistoryItem } from "../variant-analysis-history-item";
-import { mapQueryLanguageToDomainModel } from "./query-history-dto-mapper";
+import { mapQueryLanguageToDomainModel } from "./query-history-language-dto-mapper";
 
 export function mapQueryHistoryVariantAnalysisToDomainModel(
   item: QueryHistoryVariantAnalysisDto,