diff --git a/Couchbase/build.gradle b/Couchbase/build.gradle
index 28b641d..b601e7a 100644
--- a/Couchbase/build.gradle
+++ b/Couchbase/build.gradle
@@ -28,5 +28,5 @@ android {
 
 dependencies {
     androidTestCompile project(':Common')
-    androidTestCompile 'com.couchbase.lite:couchbase-lite-android:1.1.0'
+    androidTestCompile 'com.couchbase.lite:couchbase-lite-android:1.2.1'
 }
diff --git a/Couchbase/src/androidTest/java/de/greenrobot/performance/couchbase/PerfTestCouchbase.java b/Couchbase/src/androidTest/java/de/greenrobot/performance/couchbase/PerfTestCouchbase.java
index b071c15..6bd6c70 100644
--- a/Couchbase/src/androidTest/java/de/greenrobot/performance/couchbase/PerfTestCouchbase.java
+++ b/Couchbase/src/androidTest/java/de/greenrobot/performance/couchbase/PerfTestCouchbase.java
@@ -21,7 +21,7 @@
 import java.util.Map;
 
 /**
- * http://developer.couchbase.com/documentation/mobile/1.1.0/develop/training/build-first-android-app/index.html
+ * http://developer.couchbase.com/documentation/mobile/1.2/develop/training/build-first-android-app/index.html
  * https://github.com/couchbaselabs/ToDoLite-Android
  */
 public class PerfTestCouchbase extends BasePerfTestCase {
@@ -76,22 +76,17 @@ private void indexedStringEntityQueriesRun(View indexedStringView, int count)
             throws CouchbaseLiteException {
         // create entities
         String[] fixedRandomStrings = StringGenerator.createFixedRandomStrings(count);
-        database.beginTransaction();
         for (int i = 0; i < count; i++) {
             Document entity = database.getDocument(String.valueOf(i));
             Map<String, Object> properties = new HashMap<>();
             properties.put("indexedString", fixedRandomStrings[i]);
             entity.putProperties(properties);
         }
-        database.endTransaction(true);
         log("Built and inserted entities.");
 
         // query for entities by indexed string at random
         int[] randomIndices = StringGenerator.getFixedRandomIndices(getQueryCount(), count - 1);
 
-        // clear the document cache to force loading properties from the database
-        database.clearDocumentCache();
-
         startClock();
         for (int i = 0; i < getQueryCount(); i++) {
             int nextIndex = randomIndices[i];
@@ -119,7 +114,9 @@ protected void doOneByOneAndBatchCrud() throws Exception {
         for (int i = 0; i < RUNS; i++) {
             log("----Run " + (i + 1) + " of " + RUNS);
             oneByOneCrudRun(getOneByOneCount());
-            batchCrudRun(getBatchSize());
+            // couchbase 1.2 has removed transaction support, do not run batch test
+            // (only available for conflict resolution now)
+//            batchCrudRun(getBatchSize());
         }
     }
 
@@ -163,18 +160,15 @@ private void batchCrudRun(int count) throws Exception {
 
         startClock();
         List<Document> documents = new ArrayList<>(count);
-        database.beginTransaction();
         for (int i = 0; i < count; i++) {
             // use our own ids (use .createDocument() for random UUIDs)
             Document document = database.getDocument(String.valueOf(i));
             document.putProperties(maps.get(i));
             documents.add(document);
         }
-        database.endTransaction(true);
         stopClock(LogMessage.BATCH_CREATE);
 
         startClock();
-        database.beginTransaction();
         for (int i = 0; i < count; i++) {
             Document document = documents.get(i);
             Map<String, Object> updatedProperties = new HashMap<>();
@@ -183,12 +177,8 @@ private void batchCrudRun(int count) throws Exception {
             updatedProperties.putAll(maps.get(i));
             document.putProperties(updatedProperties);
         }
-        database.endTransaction(true);
         stopClock(LogMessage.BATCH_UPDATE);
 
-        // clear the document cache to force loading properties from the database
-        database.clearDocumentCache();
-
         startClock();
         List<Document> reloaded = new ArrayList<>();
         for (int i = 0; i < count; i++) {
@@ -223,12 +213,10 @@ private void deleteAll() throws CouchbaseLiteException {
         // query all documents, mark them as deleted
         Query query = database.createAllDocumentsQuery();
         QueryEnumerator result = query.run();
-        database.beginTransaction();
         while (result.hasNext()) {
             QueryRow row = result.next();
             row.getDocument().purge();
         }
-        database.endTransaction(true);
     }
 
     private Map<String, Object> createDocumentMap(int seed) throws CouchbaseLiteException {