diff --git a/apps/server/src/routes/routes.ts b/apps/server/src/routes/routes.ts
index 69a3edc123..ed180fdc23 100644
--- a/apps/server/src/routes/routes.ts
+++ b/apps/server/src/routes/routes.ts
@@ -40,7 +40,6 @@ import otherRoute from "./api/other.js";
 import passwordApiRoute from "./api/password.js";
 import recentChangesApiRoute from "./api/recent_changes.js";
 import recoveryCodes from './api/recovery_codes.js';
-import relationMapApiRoute from "./api/relation-map.js";
 import scriptRoute from "./api/script.js";
 import searchRoute from "./api/search.js";
 import senderRoute from "./api/sender.js";
@@ -257,7 +256,6 @@ function register(app: express.Application) {
     asyncRoute(PST, "/api/sender/image", [auth.checkEtapiToken, uploadMiddlewareWithErrorHandling], senderRoute.uploadImage, apiResultHandler);
     asyncRoute(PST, "/api/sender/note", [auth.checkEtapiToken], senderRoute.saveNote, apiResultHandler);
 
-    apiRoute(PST, "/api/relation-map", relationMapApiRoute.getRelationMap);
     asyncApiRoute(GET, "/api/similar-notes/:noteId", similarNotesRoute.getSimilarNotes);
     asyncApiRoute(GET, "/api/backend-log", backendLogRoute.getBackendLog);
     route(GET, "/api/fonts", [auth.checkApiAuthOrElectron], fontsRoute.getFontCss);
diff --git a/apps/server/src/routes/api/relation-map.ts b/packages/trilium-core/src/routes/api/relation-map.ts
similarity index 92%
rename from apps/server/src/routes/api/relation-map.ts
rename to packages/trilium-core/src/routes/api/relation-map.ts
index bc1c877aa6..b57750ab27 100644
--- a/apps/server/src/routes/api/relation-map.ts
+++ b/packages/trilium-core/src/routes/api/relation-map.ts
@@ -1,7 +1,7 @@
 import type { Request } from "express";
 import becca from "../../becca/becca.js";
-import sql from "../../services/sql.js";
 import { RelationMapPostResponse } from "@triliumnext/commons";
+import { getSql } from "../../services/sql/index.js";
 
 function getRelationMap(req: Request) {
     const { relationMapNoteId, noteIds } = req.body;
@@ -30,7 +30,7 @@ function getRelationMap(req: Request) {
     const hideRelationsVal = relationMapNote.getLabelValue("hideRelations");
     const hideRelations = !hideRelationsVal ? [] : hideRelationsVal.split(",").map((token) => token.trim());
 
-    const foundNoteIds = sql.getColumn<string>(/*sql*/`SELECT noteId FROM notes WHERE isDeleted = 0 AND noteId IN (${questionMarks})`, noteIds);
+    const foundNoteIds = getSql().getColumn<string>(/*sql*/`SELECT noteId FROM notes WHERE isDeleted = 0 AND noteId IN (${questionMarks})`, noteIds);
     const notes = becca.getNotes(foundNoteIds);
 
     for (const note of notes) {
diff --git a/packages/trilium-core/src/routes/index.ts b/packages/trilium-core/src/routes/index.ts
index 5233437861..9be361452a 100644
--- a/packages/trilium-core/src/routes/index.ts
+++ b/packages/trilium-core/src/routes/index.ts
@@ -14,6 +14,7 @@ import cloningApiRoute from "./api/cloning";
 import sqlRoute from "./api/sql";
 import attributesRoute from "./api/attributes";
 import revisionsApiRoute from "./api/revisions";
+import relationMapApiRoute from "./api/relation-map";
 
 // TODO: Deduplicate with routes.ts
 const GET = "get",
@@ -109,6 +110,7 @@ export function buildSharedApiRoutes(apiRoute: any) {
 
     apiRoute(GET, "/api/app-info", appInfoRoute.getAppInfo);
     apiRoute(GET, "/api/other/icon-usage", otherRoute.getIconUsage);
+    apiRoute(PST, "/api/relation-map", relationMapApiRoute.getRelationMap);
 }
 
 /** Handling common patterns. If entity is not caught, serialization to JSON will fail */