diff --git a/packages/backend/src/models/saml-auth-provider.ee.js b/packages/backend/src/models/saml-auth-provider.ee.js
index 44f6f15e..4eb588ec 100644
--- a/packages/backend/src/models/saml-auth-provider.ee.js
+++ b/packages/backend/src/models/saml-auth-provider.ee.js
@@ -133,24 +133,22 @@ class SamlAuthProvider extends Base {
   }
 
   async updateRoleMappings(roleMappings) {
-    return await SamlAuthProvider.transaction(async (trx) => {
-      await this.$relatedQuery('roleMappings', trx).delete();
+    await this.$relatedQuery('roleMappings').delete();
 
-      if (isEmpty(roleMappings)) {
-        return [];
-      }
+    if (isEmpty(roleMappings)) {
+      return [];
+    }
 
-      const roleMappingsData = roleMappings.map((roleMapping) => ({
-        ...roleMapping,
-        samlAuthProviderId: this.id,
-      }));
+    const roleMappingsData = roleMappings.map((roleMapping) => ({
+      ...roleMapping,
+      samlAuthProviderId: this.id,
+    }));
 
-      const newRoleMappings = await RoleMapping.query(trx).insertAndFetch(
-        roleMappingsData
-      );
+    const newRoleMappings = await RoleMapping.query().insertAndFetch(
+      roleMappingsData
+    );
 
-      return newRoleMappings;
-    });
+    return newRoleMappings;
   }
 }
 
diff --git a/packages/backend/src/models/saml-auth-provider.ee.test.js b/packages/backend/src/models/saml-auth-provider.ee.test.js
index 61fbe414..10a0abb0 100644
--- a/packages/backend/src/models/saml-auth-provider.ee.test.js
+++ b/packages/backend/src/models/saml-auth-provider.ee.test.js
@@ -1,4 +1,4 @@
-import { vi, describe, it, expect } from 'vitest';
+import { vi, beforeEach, describe, it, expect } from 'vitest';
 import { v4 as uuidv4 } from 'uuid';
 import SamlAuthProvider from '../models/saml-auth-provider.ee';
 import RoleMapping from '../models/role-mapping.ee';
@@ -6,6 +6,9 @@ import axios from '../helpers/axios-with-proxy.js';
 import Identity from './identity.ee';
 import Base from './base';
 import appConfig from '../config/app';
+import { createSamlAuthProvider } from '../../test/factories/saml-auth-provider.ee.js';
+import { createRoleMapping } from '../../test/factories/role-mapping.js';
+import { createRole } from '../../test/factories/role.js';
 
 describe('SamlAuthProvider model', () => {
   it('tableName should return correct name', () => {
@@ -182,4 +185,47 @@ describe('SamlAuthProvider model', () => {
 
     expect(response).toBe(mockResponse);
   });
+
+  describe('updateRoleMappings', () => {
+    let samlAuthProvider;
+
+    beforeEach(async () => {
+      samlAuthProvider = await createSamlAuthProvider();
+    });
+
+    it('should remove all existing role mappings', async () => {
+      await createRoleMapping({
+        samlAuthProviderId: samlAuthProvider.id,
+        remoteRoleName: 'Admin',
+      });
+
+      await createRoleMapping({
+        samlAuthProviderId: samlAuthProvider.id,
+        remoteRoleName: 'User',
+      });
+
+      await samlAuthProvider.updateRoleMappings([]);
+
+      const roleMappings = await samlAuthProvider.$relatedQuery('roleMappings');
+      expect(roleMappings).toStrictEqual([]);
+    });
+
+    it('should return the updated role mappings when new ones are provided', async () => {
+      const adminRole = await createRole({ name: 'Admin' });
+      const userRole = await createRole({ name: 'User' });
+
+      const newRoleMappings = [
+        { remoteRoleName: 'Admin', roleId: adminRole.id },
+        { remoteRoleName: 'User', roleId: userRole.id },
+      ];
+
+      const result = await samlAuthProvider.updateRoleMappings(newRoleMappings);
+
+      const refetchedRoleMappings = await samlAuthProvider.$relatedQuery(
+        'roleMappings'
+      );
+
+      expect(result).toStrictEqual(refetchedRoleMappings);
+    });
+  });
 });