diff --git a/backend/src/services/integration/integration-service.ts b/backend/src/services/integration/integration-service.ts
index 5bf412c9b..a3c4c84db 100644
--- a/backend/src/services/integration/integration-service.ts
+++ b/backend/src/services/integration/integration-service.ts
@@ -146,7 +146,27 @@ export const integrationServiceFactory = ({
     );
     ForbiddenError.from(permission).throwUnlessCan(ProjectPermissionActions.Delete, ProjectPermissionSub.Integrations);
 
-    const deletedIntegration = await integrationDAL.deleteById(id);
+    const deletedIntegration = await integrationDAL.transaction(async (tx) => {
+      // delete integration
+      const deletedIntegrationResult = await integrationDAL.deleteById(id, tx);
+
+      // check if there are other integrations that share the same integration auth
+      const integrations = await integrationDAL.find(
+        {
+          integrationAuthId: integration.integrationAuthId
+        },
+        tx
+      );
+
+      if (integrations.length === 0) {
+        // no other integration shares the same integration auth
+        // -> delete the integration auth
+        await integrationAuthDAL.deleteById(integration.integrationAuthId, tx);
+      }
+
+      return deletedIntegrationResult;
+    });
+
     return { ...integration, ...deletedIntegration };
   };