diff --git a/asterix-app/src/main/resources/asterix-build-configuration.xml b/asterix-app/src/main/resources/asterix-build-configuration.xml
index 6a6332d..9c4d15b 100644
--- a/asterix-app/src/main/resources/asterix-build-configuration.xml
+++ b/asterix-app/src/main/resources/asterix-build-configuration.xml
@@ -1,50 +1,40 @@
-<!--
- ! Copyright 2009-2013 by The Regents of the University of California
- ! Licensed under the Apache License, Version 2.0 (the "License");
- ! you may not use this file except in compliance with the License.
- ! you may obtain a copy of the License from
- ! 
- !     http://www.apache.org/licenses/LICENSE-2.0
- ! 
- ! Unless required by applicable law or agreed to in writing, software
- ! distributed under the License is distributed on an "AS IS" BASIS,
- ! WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- ! See the License for the specific language governing permissions and
- ! limitations under the License.
- !-->
+<!-- ! Copyright 2009-2013 by The Regents of the University of California 
+	! Licensed under the Apache License, Version 2.0 (the "License"); ! you may 
+	not use this file except in compliance with the License. ! you may obtain 
+	a copy of the License from ! ! http://www.apache.org/licenses/LICENSE-2.0 
+	! ! Unless required by applicable law or agreed to in writing, software ! 
+	distributed under the License is distributed on an "AS IS" BASIS, ! WITHOUT 
+	WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ! See the 
+	License for the specific language governing permissions and ! limitations 
+	under the License. ! -->
 <asterixConfiguration xmlns="asterixconf">
-  <metadataNode>nc1</metadataNode>
-  <store>
-     <ncId>nc1</ncId>
-     <storeDirs>nc1data</storeDirs> 
-  </store>
-  <store>
-     <ncId>nc2</ncId>
-     <storeDirs>nc2data</storeDirs> 
-  </store>
-  <transactionLogDir>
-  	 <ncId>nc1</ncId>
-  	 <txnLogDirPath>target/txnLogDir/nc1</txnLogDirPath> 
-  </transactionLogDir>
-  <transactionLogDir>
-  	 <ncId>nc2</ncId>
-  	 <txnLogDirPath>target/txnLogDir/nc2</txnLogDirPath> 
-  </transactionLogDir>
-  <property>
-     <name>log.level</name>
-     <value>WARNING</value>
-     <description>Log level for running tests/build</description>
-  </property>
-  <property>
+	<metadataNode>nc1</metadataNode>
+	<store>
+		<ncId>nc1</ncId>
+		<storeDirs>nc1data</storeDirs>
+	</store>
+	<store>
+		<ncId>nc2</ncId>
+		<storeDirs>nc2data</storeDirs>
+	</store>
+	<transactionLogDir>
+		<ncId>nc1</ncId>
+		<txnLogDirPath>target/txnLogDir/nc1</txnLogDirPath>
+	</transactionLogDir>
+	<transactionLogDir>
+		<ncId>nc2</ncId>
+		<txnLogDirPath>target/txnLogDir/nc2</txnLogDirPath>
+	</transactionLogDir>
+	<property>
+		<name>log.level</name>
+		<value>WARNING</value>
+		<description>Log level for running tests/build</description>
+	</property>
+	<property>
 		<name>storage.memorycomponent.numpages</name>
 		<value>8</value>
 		<description>The number of pages to allocate for a memory component.
 			(Default = 8)
 		</description>
 	</property>
-  <property>
-     <name>txn.log.groupcommitinterval</name>
-     <value>1</value>
-     <description>The group commit wait time in milliseconds.</description>
-  </property>
 </asterixConfiguration>
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixTransactionProperties.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixTransactionProperties.java
index 5a40ece..a1dd52a 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixTransactionProperties.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/AsterixTransactionProperties.java
@@ -25,12 +25,6 @@
     private static final String TXN_LOG_PARTITIONSIZE_KEY = "txn.log.partitionsize";
     private static final long TXN_LOG_PARTITIONSIZE_DEFAULT = ((long)2 << 30); // 2GB
 
-    private static final String TXN_LOG_DISKSECTORSIZE_KEY = "txn.log.disksectorsize";
-    private static final int TXN_LOG_DISKSECTORSIZE_DEFAULT = 4096;
-
-    private static final String TXN_LOG_GROUPCOMMITINTERVAL_KEY = "txn.log.groupcommitinterval";
-    private static int TXN_LOG_GROUPCOMMITINTERVAL_DEFAULT = 10; // 0.1ms
-
     private static final String TXN_LOG_CHECKPOINT_LSNTHRESHOLD_KEY = "txn.log.checkpoint.lsnthreshold";
     private static final int TXN_LOG_CHECKPOINT_LSNTHRESHOLD_DEFAULT = (64 << 20); // 64M
 
@@ -75,16 +69,6 @@
                 PropertyInterpreters.getLongPropertyInterpreter());
     }
 
-    public int getLogDiskSectorSize() {
-        return accessor.getProperty(TXN_LOG_DISKSECTORSIZE_KEY, TXN_LOG_DISKSECTORSIZE_DEFAULT,
-                PropertyInterpreters.getIntegerPropertyInterpreter());
-    }
-
-    public int getGroupCommitInterval() {
-        return accessor.getProperty(TXN_LOG_GROUPCOMMITINTERVAL_KEY, TXN_LOG_GROUPCOMMITINTERVAL_DEFAULT,
-                PropertyInterpreters.getIntegerPropertyInterpreter());
-    }
-
     public int getCheckpointLSNThreshold() {
         return accessor.getProperty(TXN_LOG_CHECKPOINT_LSNTHRESHOLD_KEY, TXN_LOG_CHECKPOINT_LSNTHRESHOLD_DEFAULT,
                 PropertyInterpreters.getIntegerPropertyInterpreter());
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/LogManagerProperties.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/LogManagerProperties.java
index 591d9b1..dd1e7b4 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/LogManagerProperties.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/transactions/LogManagerProperties.java
@@ -36,14 +36,10 @@
     private final int logPageSize;
     // number of log pages in the log buffer.
     private final int numLogPages;
-    // time in milliseconds
-    private final long groupCommitWaitPeriod;
     // logBufferSize = logPageSize * numLogPages;
     private final int logBufferSize;
     // maximum size of each log file
     private final long logPartitionSize;
-    // default disk sector size
-    private final int diskSectorSize;
 
     public LogManagerProperties(AsterixTransactionProperties txnProperties, String nodeId) {
         this.logDirKey = new String(nodeId + LOG_DIR_SUFFIX);
@@ -52,12 +48,9 @@
         long logPartitionSize = txnProperties.getLogPartitionSize();
         this.logDir = txnProperties.getLogDirectory(nodeId);
         this.logFilePrefix = DEFAULT_LOG_FILE_PREFIX;
-        this.groupCommitWaitPeriod = txnProperties.getGroupCommitInterval();
-
         this.logBufferSize = logPageSize * numLogPages;
         //make sure that the log partition size is the multiple of log buffer size.
         this.logPartitionSize = (logPartitionSize / logBufferSize) * logBufferSize;
-        this.diskSectorSize = txnProperties.getLogDiskSectorSize();
     }
 
     public long getLogPartitionSize() {
@@ -84,18 +77,10 @@
         return logBufferSize;
     }
 
-    public long getGroupCommitWaitPeriod() {
-        return groupCommitWaitPeriod;
-    }
-
     public String getLogDirKey() {
         return logDirKey;
     }
 
-    public int getDiskSectorSize() {
-        return diskSectorSize;
-    }
-
     public String toString() {
         StringBuilder builder = new StringBuilder();
         builder.append("log_dir_ : " + logDir + lineSeparator);
@@ -103,7 +88,6 @@
         builder.append("log_page_size : " + logPageSize + lineSeparator);
         builder.append("num_log_pages : " + numLogPages + lineSeparator);
         builder.append("log_partition_size : " + logPartitionSize + lineSeparator);
-        builder.append("group_commit_wait_period : " + groupCommitWaitPeriod + lineSeparator);
         return builder.toString();
     }
 }