diff --git a/src/constants/operationsResultsMessages.ts b/src/constants/operationsResultsMessages.ts
index 771f120..0f72c6e 100644
--- a/src/constants/operationsResultsMessages.ts
+++ b/src/constants/operationsResultsMessages.ts
@@ -2,8 +2,6 @@ const operationsResultsMessages = {
   successfulDatasetCreation: (datasetName: string) =>
     `"${datasetName}" dataset created successfuly`,
   successfulDatasetUpdate: "The dataset was updated successfully",
-  failedDatasetCreation: (datasetName: string) =>
-    `"${datasetName}" dataset creation failed`,
   noDatasets: "There are no datasets yet",
   noDataset: (datasetId: string) =>
     `There is no dataset with "${datasetId}" id`,
diff --git a/src/services/datasets/createDataset_service.ts b/src/services/datasets/createDataset_service.ts
index da5dbb6..d375cdb 100644
--- a/src/services/datasets/createDataset_service.ts
+++ b/src/services/datasets/createDataset_service.ts
@@ -1,4 +1,3 @@
-import createTransactionSession from "../../utilities/createTransactionSession";
 import DatasetsModel from "../../models/DatasetsModel";
 import { DatasetDocument, type DatasetInput } from "../../types/datasets";
 import type { ServiceOperationResultType } from "../../types/response";
@@ -11,8 +10,6 @@ export default async function createDataset_service(
   userId: string,
   dataset: DatasetInput
 ): Promise<ServiceOperationResultType> {
-  const session = await createTransactionSession();
-
   const newDataset = new DatasetDocument(dataset);
 
   const userDatasets = await DatasetsModel.findById(
@@ -21,40 +18,42 @@ export default async function createDataset_service(
     { upsert: true }
   );
 
-  if (userDatasets && userDatasets.datasets.length < maxDatasetsForUser) {
-    userDatasets.datasets.push(newDataset);
-    const datasetAdded = await userDatasets
-      .save({ session })
-      .then(() => true)
-      .catch(() => false);
-
-    if (datasetAdded) {
-      await session.commitTransaction();
-      activitiesService.registerDatasetActivity(
-        userId,
-        {
-          _id: newDataset._id,
-          name: newDataset.name,
-          description: newDataset.description,
-        },
-        newDataset.createdAt,
-        "New Resource"
-      );
-
-      return ServiceOperationResult.success(
-        newDataset,
-        operationsResultsMessages.successfulDatasetCreation(newDataset.name)
-      );
-    }
+  if (!userDatasets) {
+    await DatasetsModel.create({
+      _id: userId,
+      datasets: [newDataset],
+    });
+    return successfulDatasetCreation(userId, newDataset);
+  }
 
-    session.abortTransaction();
-    return ServiceOperationResult.failure(
-      operationsResultsMessages.failedDatasetCreation(newDataset.name)
-    );
+  if (userDatasets.datasets.length < maxDatasetsForUser) {
+    userDatasets.datasets.push(newDataset);
+    await userDatasets.save();
+    return successfulDatasetCreation(userId, newDataset);
   } else {
-    session.abortTransaction();
     return ServiceOperationResult.failure(
       operationsResultsMessages.maxDatasetsReached
     );
   }
 }
+
+function successfulDatasetCreation(
+  userId: string,
+  newDataset: DatasetDocument
+) {
+  activitiesService.registerDatasetActivity(
+    userId,
+    {
+      _id: newDataset._id,
+      name: newDataset.name,
+      description: newDataset.description,
+    },
+    newDataset.createdAt,
+    "New Resource"
+  );
+
+  return ServiceOperationResult.success(
+    newDataset,
+    operationsResultsMessages.successfulDatasetCreation(newDataset.name)
+  );
+}