diff --git a/backend/src/services/org/org-dal.ts b/backend/src/services/org/org-dal.ts
index 3fbf54b4c..05c77e746 100644
--- a/backend/src/services/org/org-dal.ts
+++ b/backend/src/services/org/org-dal.ts
@@ -230,15 +230,6 @@ export const orgDALFactory = (db: TDbClient) => {
     }
   };
 
-  const deleteMembershipByUserId = async (userId: string, orgId: string, tx?: Knex) => {
-    try {
-      const [membership] = await (tx || db)(TableName.OrgMembership).where({ userId, orgId }).delete().returning("*");
-      return membership;
-    } catch (error) {
-      throw new DatabaseError({ error, name: "Delete org membership" });
-    }
-  };
-
   const findMembership = async (
     filter: TFindFilter<TOrgMemberships>,
     { offset, limit, sort, tx }: TFindOpt<TOrgMemberships> = {}
@@ -284,7 +275,6 @@ export const orgDALFactory = (db: TDbClient) => {
     createMembership,
     updateMembershipById,
     deleteMembershipById,
-    deleteMembershipByUserId,
     updateMembership
   });
 };
diff --git a/backend/src/services/project/project-service.ts b/backend/src/services/project/project-service.ts
index d5fa45bfa..c7c3af6fa 100644
--- a/backend/src/services/project/project-service.ts
+++ b/backend/src/services/project/project-service.ts
@@ -17,7 +17,6 @@ import { TProjectPermission } from "@app/lib/types";
 import { ActorType } from "../auth/auth-type";
 import { TIdentityOrgDALFactory } from "../identity/identity-org-dal";
 import { TIdentityProjectDALFactory } from "../identity-project/identity-project-dal";
-import { TOrgDALFactory } from "../org/org-dal";
 import { TOrgServiceFactory } from "../org/org-service";
 import { TProjectBotDALFactory } from "../project-bot/project-bot-dal";
 import { TProjectEnvDALFactory } from "../project-env/project-env-dal";
@@ -54,7 +53,6 @@ type TProjectServiceFactoryDep = {
   projectKeyDAL: Pick<TProjectKeyDALFactory, "create" | "findLatestProjectKey" | "delete" | "find" | "insertMany">;
   projectBotDAL: Pick<TProjectBotDALFactory, "create" | "findById" | "delete" | "findOne">;
   projectMembershipDAL: Pick<TProjectMembershipDALFactory, "create" | "findProjectGhostUser" | "findOne">;
-  orgDAL: Pick<TOrgDALFactory, "deleteMembershipByUserId">;
   secretBlindIndexDAL: Pick<TSecretBlindIndexDALFactory, "create">;
   permissionService: TPermissionServiceFactory;
   orgService: Pick<TOrgServiceFactory, "addGhostUser">;
@@ -70,7 +68,6 @@ export const projectServiceFactory = ({
   permissionService,
   userDAL,
   folderDAL,
-  orgDAL,
   orgService,
   identityProjectDAL,
   projectBotDAL,
@@ -300,7 +297,7 @@ export const projectServiceFactory = ({
 
       // Delete the org membership for the ghost user if it's found.
       if (projectGhostUser) {
-        await orgDAL.deleteMembershipByUserId(projectGhostUser.id, deletedProject.orgId, tx);
+        await userDAL.deleteById(projectGhostUser.id, tx);
       }
 
       return project;