diff --git a/deps/juggler-v3/test.js b/deps/juggler-v3/test.js
index f810b4f..7b99c91 100644
--- a/deps/juggler-v3/test.js
+++ b/deps/juggler-v3/test.js
@@ -5,7 +5,6 @@
 
 'use strict';
 
-const semver = require('semver');
 const should = require('should');
 const juggler = require('loopback-datasource-juggler');
 const name = require('./package.json').name;
@@ -28,22 +27,6 @@ describe(name, function() {
   // === Operation hooks ==== //
 
   const suite = require('loopback-datasource-juggler/test/persistence-hooks.suite.js');
-
-  const DB_VERSION = process.env.MONGODB_VERSION;
-
-  if (!DB_VERSION) {
-    console.log('The ENV variable MONGODB_VERSION is not set.' +
-      ' Assuming MongoDB version 2.6 or newer.');
-  }
-
-  const DB_HAS_2_6_FEATURES = (!DB_VERSION ||
-    semver.satisfies(DB_VERSION, '>=2.6.0'));
-
-  const customConfig = Object.assign({}, global.config, {
-    enableOptimisedFindOrCreate: DB_HAS_2_6_FEATURES,
-  });
-
-  suite(global.getDataSource(customConfig, juggler.DataSource), should, {
-    replaceOrCreateReportsNewInstance: DB_HAS_2_6_FEATURES,
-  });
+  const customConfig = Object.assign({}, global.config);
+  suite(global.getDataSource(customConfig, juggler.DataSource), should, {replaceOrCreateReportsNewInstance: false});
 });
diff --git a/deps/juggler-v4/test.js b/deps/juggler-v4/test.js
index f810b4f..fa20e9d 100644
--- a/deps/juggler-v4/test.js
+++ b/deps/juggler-v4/test.js
@@ -28,22 +28,6 @@ describe(name, function() {
   // === Operation hooks ==== //
 
   const suite = require('loopback-datasource-juggler/test/persistence-hooks.suite.js');
-
-  const DB_VERSION = process.env.MONGODB_VERSION;
-
-  if (!DB_VERSION) {
-    console.log('The ENV variable MONGODB_VERSION is not set.' +
-      ' Assuming MongoDB version 2.6 or newer.');
-  }
-
-  const DB_HAS_2_6_FEATURES = (!DB_VERSION ||
-    semver.satisfies(DB_VERSION, '>=2.6.0'));
-
-  const customConfig = Object.assign({}, global.config, {
-    enableOptimisedFindOrCreate: DB_HAS_2_6_FEATURES,
-  });
-
-  suite(global.getDataSource(customConfig, juggler.DataSource), should, {
-    replaceOrCreateReportsNewInstance: DB_HAS_2_6_FEATURES,
-  });
+  const customConfig = Object.assign({}, global.config);
+  suite(global.getDataSource(customConfig, juggler.DataSource), should, {replaceOrCreateReportsNewInstance: false});
 });