diff --git a/core/src/main/java/com/yahoo/ycsb/StringByteIterator.java b/core/src/main/java/com/yahoo/ycsb/StringByteIterator.java
index 84465cba3ef0482bea716c3daf2cf7ca45463961..4f00e7d11bf30703dc181850e0bbb018b2c558ee 100644
--- a/core/src/main/java/com/yahoo/ycsb/StringByteIterator.java
+++ b/core/src/main/java/com/yahoo/ycsb/StringByteIterator.java
@@ -62,7 +62,7 @@ public class StringByteIterator extends ByteIterator {
 		HashMap<String, String> ret = new HashMap<String,String>();
 
 		for(String s: m.keySet()) {
-			ret.put(s, m.get(s).toString());;
+			ret.put(s, m.get(s).toString());
 		}
 		return ret;
 	}
diff --git a/core/src/main/java/com/yahoo/ycsb/measurements/Measurements.java b/core/src/main/java/com/yahoo/ycsb/measurements/Measurements.java
index 1bcd39387412da3129fe2157dda1f8106e12fd5b..fe1e9cc16707ee8b3dce8855f2a0d4a95995c85c 100644
--- a/core/src/main/java/com/yahoo/ycsb/measurements/Measurements.java
+++ b/core/src/main/java/com/yahoo/ycsb/measurements/Measurements.java
@@ -174,7 +174,7 @@ public class Measurements {
   ThreadLocal<StartTimeHolder> tlIntendedStartTime = new ThreadLocal<Measurements.StartTimeHolder>() {
     protected StartTimeHolder initialValue() {
       return new StartTimeHolder();
-    };
+    }
   };
 
   public void setIntendedStartTimeNs(long time) {
diff --git a/dynamodb/src/main/java/com/yahoo/ycsb/db/DynamoDBClient.java b/dynamodb/src/main/java/com/yahoo/ycsb/db/DynamoDBClient.java
index 8a9a89759f15d8da5b0d997b4aed78f0fe9ff00d..042a8e05774eb6ab5649121958eb89f99888a191 100644
--- a/dynamodb/src/main/java/com/yahoo/ycsb/db/DynamoDBClient.java
+++ b/dynamodb/src/main/java/com/yahoo/ycsb/db/DynamoDBClient.java
@@ -87,8 +87,6 @@ public class DynamoDBClient extends DB {
         "An error occurred on the client.");
     private static final String DEFAULT_HASH_KEY_VALUE = "YCSB_0";
 
-    public DynamoDBClient() {}
-
     /**
      * Initialize any state for this DB. Called once per DB instance; there is
      * one DB instance per client thread.
diff --git a/googledatastore/src/main/java/com/yahoo/ycsb/db/GoogleDatastoreClient.java b/googledatastore/src/main/java/com/yahoo/ycsb/db/GoogleDatastoreClient.java
index fb3a81ecb1d7c1ebf491b148db14b494a2315c30..12fc0fac96ab0b442d4e1710160ab0fadb2d8842 100644
--- a/googledatastore/src/main/java/com/yahoo/ycsb/db/GoogleDatastoreClient.java
+++ b/googledatastore/src/main/java/com/yahoo/ycsb/db/GoogleDatastoreClient.java
@@ -83,8 +83,6 @@ public class GoogleDatastoreClient extends DB {
 
   private Datastore datastore = null;
 
-  public GoogleDatastoreClient() {}
-
   /**
    * Initialize any state for this DB. Called once per DB instance; there is
    * one DB instance per client thread.
diff --git a/infinispan/src/main/java/com/yahoo/ycsb/db/InfinispanRemoteClient.java b/infinispan/src/main/java/com/yahoo/ycsb/db/InfinispanRemoteClient.java
index fb969e4905ba5839bb789b82a552e477ac4c36af..9b09f553aa9b43d2448b6e7f1f64fdf4d11cb707 100644
--- a/infinispan/src/main/java/com/yahoo/ycsb/db/InfinispanRemoteClient.java
+++ b/infinispan/src/main/java/com/yahoo/ycsb/db/InfinispanRemoteClient.java
@@ -47,10 +47,6 @@ public class InfinispanRemoteClient extends DB {
 
    private static final Log logger = LogFactory.getLog(InfinispanRemoteClient.class);
 
-   public InfinispanRemoteClient() {
-      
-   }
-   
    @Override
    public void init() throws DBException {
 	  remoteIspnManager = RemoteCacheManagerHolder.getInstance(getProperties());