diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/AndDescriptor.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/AndDescriptor.java
index b029b68..9fd5dc4 100644
--- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/AndDescriptor.java
+++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/functions/AndDescriptor.java
@@ -87,7 +87,6 @@
                     public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                         resultStorage.reset();
                         int n = args.length;
-                        boolean res = true;
                         boolean metNull = false;
                         boolean metMissing = false;
                         for (int i = 0; i < n; i++) {
@@ -112,13 +111,12 @@
                                         ATypeTag.SERIALIZED_BOOLEAN_TYPE_TAG);
                             }
                             boolean argResult = ABooleanSerializerDeserializer.getBoolean(bytes, offset + 1);
-                            if (argResult == false) {
+                            if (! argResult) {
                                 // anything AND FALSE = FALSE
                                 booleanSerde.serialize(ABoolean.FALSE, out);
                                 result.set(resultStorage);
                                 return;
                             }
-                            res &= argResult;
                         }
                         if (metMissing) {
                             // MISSING AND NULL = MISSING
@@ -128,8 +126,7 @@
                             // NULL AND TRUE = NULL
                             nullSerde.serialize(ANull.NULL, out);
                         } else {
-                            ABoolean aResult = res ? ABoolean.TRUE : ABoolean.FALSE;
-                            booleanSerde.serialize(aResult, out);
+                            booleanSerde.serialize(ABoolean.TRUE, out);
                         }
                         result.set(resultStorage);
                     }
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExecutionTimeProfiler.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExecutionTimeProfiler.java
index 7673f2c..66f7f10 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExecutionTimeProfiler.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/ExecutionTimeProfiler.java
@@ -27,29 +27,24 @@
 public class ExecutionTimeProfiler {
 
     public static final boolean PROFILE_MODE = false;
-    public static final String INIT = "init";
     private FileOutputStream fos;
     private String filePath;
     private StringBuilder sb;
-    private int printInterval;
-    private int addCount;
     private Object lock1 = new Object();
 
 
     // [Key: Job, Value: [Key: Operator, Value: Duration of each operators]]
     private HashMap<String, LinkedHashMap<String, String>> spentTimePerJobMap;
 
-    public ExecutionTimeProfiler(String filePath, int printInterval) {
+    public ExecutionTimeProfiler(String filePath) {
         this.filePath = new String(filePath);
         this.sb = new StringBuilder();
-        this.printInterval = printInterval;
         this.spentTimePerJobMap = new HashMap<String, LinkedHashMap<String, String>>();
     }
 
     public void begin() {
         try {
             fos = ExperimentProfilerUtils.openOutputFile(filePath);
-            addCount = 0;
         } catch (IOException e) {
             e.printStackTrace();
             throw new IllegalStateException(e);
diff --git a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/OperatorExecutionTimeProfiler.java b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/OperatorExecutionTimeProfiler.java
index b5d632b..55c7915 100644
--- a/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/OperatorExecutionTimeProfiler.java
+++ b/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/util/OperatorExecutionTimeProfiler.java
@@ -31,7 +31,7 @@
             //SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss-SSS");
             try {
                 executionTimeProfiler = new ExecutionTimeProfiler(profileHomeDir + "executionTime-"
-                        + Inet4Address.getLocalHost().getHostAddress() + ".txt", 1);
+                        + Inet4Address.getLocalHost().getHostAddress() + ".txt");
             } catch (UnknownHostException e) {
                 e.printStackTrace();
             }