diff --git a/src/Lucene.Net.Core/Index/LiveIndexWriterConfig.cs b/src/Lucene.Net.Core/Index/LiveIndexWriterConfig.cs
index 151df1f..bd84747 100644
--- a/src/Lucene.Net.Core/Index/LiveIndexWriterConfig.cs
+++ b/src/Lucene.Net.Core/Index/LiveIndexWriterConfig.cs
@@ -149,11 +149,7 @@
             useCompoundFile = IndexWriterConfig.DEFAULT_USE_COMPOUND_FILE_SYSTEM;
             openMode = OpenMode_e.CREATE_OR_APPEND;
             similarity = IndexSearcher.DefaultSimilarity;
-#if FEATURE_TASKMERGESCHEDULER
-            mergeScheduler = new TaskMergeScheduler();
-#else
             mergeScheduler = new ConcurrentMergeScheduler();
-#endif
             writeLockTimeout = IndexWriterConfig.WRITE_LOCK_TIMEOUT;
             indexingChain = DocumentsWriterPerThread.defaultIndexingChain;
             codec = Codec.Default;
diff --git a/src/Lucene.Net.Tests/core/Index/TestIndexWriterConfig.cs b/src/Lucene.Net.Tests/core/Index/TestIndexWriterConfig.cs
index 7e17b27..954d323 100644
--- a/src/Lucene.Net.Tests/core/Index/TestIndexWriterConfig.cs
+++ b/src/Lucene.Net.Tests/core/Index/TestIndexWriterConfig.cs
@@ -61,11 +61,7 @@
             Assert.AreEqual(typeof(MockAnalyzer), conf.Analyzer.GetType());
             Assert.IsNull(conf.IndexCommit);
             Assert.AreEqual(typeof(KeepOnlyLastCommitDeletionPolicy), conf.DelPolicy.GetType());
-#if FEATURE_TASKMERGESCHEDULER
-            Assert.AreEqual(typeof(TaskMergeScheduler), conf.MergeScheduler.GetType());
-#else
             Assert.AreEqual(typeof(ConcurrentMergeScheduler), conf.MergeScheduler.GetType());
-#endif
             Assert.AreEqual(OpenMode_e.CREATE_OR_APPEND, conf.OpenMode);
             // we don't need to assert this, it should be unspecified
             Assert.IsTrue(IndexSearcher.DefaultSimilarity == conf.Similarity);
@@ -288,11 +284,7 @@
             Assert.IsTrue(mergeSched.GetType() == mergeSchedClone.GetType() && (mergeSched != mergeSchedClone || mergeSched.Clone() == mergeSchedClone.Clone()));
 
             conf.SetMergeScheduler(new SerialMergeScheduler());
-#if FEATURE_TASKMERGESCHEDULER
-            Assert.AreEqual(typeof(TaskMergeScheduler), clone.MergeScheduler.GetType());
-#else
             Assert.AreEqual(typeof(ConcurrentMergeScheduler), clone.MergeScheduler.GetType());
-#endif
         }
 
         [Test]
@@ -315,11 +307,7 @@
             }
 
             // Test MergeScheduler
-#if FEATURE_TASKMERGESCHEDULER
-            Assert.AreEqual(typeof(TaskMergeScheduler), conf.MergeScheduler.GetType());
-#else
             Assert.AreEqual(typeof(ConcurrentMergeScheduler), conf.MergeScheduler.GetType());
-#endif
             conf.SetMergeScheduler(new SerialMergeScheduler());
             Assert.AreEqual(typeof(SerialMergeScheduler), conf.MergeScheduler.GetType());
             try
diff --git a/src/Lucene.Net.Tests/core/TestMergeSchedulerExternal.cs b/src/Lucene.Net.Tests/core/TestMergeSchedulerExternal.cs
index f68fb8a..59a7ffd 100644
--- a/src/Lucene.Net.Tests/core/TestMergeSchedulerExternal.cs
+++ b/src/Lucene.Net.Tests/core/TestMergeSchedulerExternal.cs
@@ -76,9 +76,7 @@
             {
                 MergeThread thread = new MyMergeThread(this, writer, merge);
                 thread.ThreadPriority = MergeThreadPriority;
-#if !FEATURE_TASKMERGESCHEDULER
                 thread.SetDaemon(true);
-#endif
                 thread.Name = "MyMergeThread";
                 return thread;
             }