diff --git a/java/src/main/java/org/rocksdb/ColumnFamilyOptionsInterface.java b/java/src/main/java/org/rocksdb/ColumnFamilyOptionsInterface.java
index c1be7f294..1fd19874f 100644
--- a/java/src/main/java/org/rocksdb/ColumnFamilyOptionsInterface.java
+++ b/java/src/main/java/org/rocksdb/ColumnFamilyOptionsInterface.java
@@ -124,7 +124,7 @@ public interface ColumnFamilyOptionsInterface {
    * operators are "put", "uint64add", "stringappend" and "stringappendtest".
    * @return the instance of the current Object.
    */
-  public Object setMergeOperatorName(String name);
+  Object setMergeOperatorName(String name);
 
   /**
    * <p>Set the merge operator to be used for merging two different key/value
@@ -135,7 +135,7 @@ public interface ColumnFamilyOptionsInterface {
    * @param mergeOperator {@link MergeOperator} instance.
    * @return the instance of the current Object.
    */
-  public Object setMergeOperator(MergeOperator mergeOperator);
+  Object setMergeOperator(MergeOperator mergeOperator);
 
   /**
    * Amount of data to build up in memory (backed by an unsorted log
diff --git a/java/src/main/java/org/rocksdb/MergeOperator.java b/java/src/main/java/org/rocksdb/MergeOperator.java
index 2655e466f..3abea024d 100644
--- a/java/src/main/java/org/rocksdb/MergeOperator.java
+++ b/java/src/main/java/org/rocksdb/MergeOperator.java
@@ -11,5 +11,5 @@ package org.rocksdb;
  * value.
  */
 public interface MergeOperator {
-    public long newMergeOperatorHandle();
+    long newMergeOperatorHandle();
 }
diff --git a/java/src/main/java/org/rocksdb/RocksIteratorInterface.java b/java/src/main/java/org/rocksdb/RocksIteratorInterface.java
index b5cc90afb..fce8fe314 100644
--- a/java/src/main/java/org/rocksdb/RocksIteratorInterface.java
+++ b/java/src/main/java/org/rocksdb/RocksIteratorInterface.java
@@ -26,19 +26,19 @@ public interface RocksIteratorInterface {
    *
    * @return true if iterator is valid.
    */
-  public boolean isValid();
+  boolean isValid();
 
   /**
    * <p>Position at the first entry in the source.  The iterator is Valid()
    * after this call if the source is not empty.</p>
    */
-  public void seekToFirst();
+  void seekToFirst();
 
   /**
    * <p>Position at the last entry in the source.  The iterator is
    * valid after this call if the source is not empty.</p>
    */
-  public void seekToLast();
+  void seekToLast();
 
   /**
    * <p>Position at the first entry in the source whose key is that or
@@ -50,7 +50,7 @@ public interface RocksIteratorInterface {
    * @param target byte array describing a key or a
    *               key prefix to seek for.
    */
-  public void seek(byte[] target);
+  void seek(byte[] target);
 
   /**
    * <p>Moves to the next entry in the source.  After this call, Valid() is
@@ -58,7 +58,7 @@ public interface RocksIteratorInterface {
    *
    * <p>REQUIRES: {@link #isValid()}</p>
    */
-  public void next();
+  void next();
 
   /**
    * <p>Moves to the previous entry in the source.  After this call, Valid() is
@@ -66,7 +66,7 @@ public interface RocksIteratorInterface {
    *
    * <p>REQUIRES: {@link #isValid()}</p>
    */
-  public void prev();
+  void prev();
 
   /**
    * <p>If an error has occurred, return it.  Else return an ok status.
@@ -76,5 +76,5 @@ public interface RocksIteratorInterface {
    * @throws RocksDBException thrown if error happens in underlying
    *                          native library.
    */
-  public void status() throws RocksDBException;
+  void status() throws RocksDBException;
 }
diff --git a/java/src/main/java/org/rocksdb/WriteBatchInterface.java b/java/src/main/java/org/rocksdb/WriteBatchInterface.java
index 4eaf1ad9d..d5c24ec3a 100644
--- a/java/src/main/java/org/rocksdb/WriteBatchInterface.java
+++ b/java/src/main/java/org/rocksdb/WriteBatchInterface.java
@@ -16,7 +16,7 @@ public interface WriteBatchInterface {
      *
      * @return number of items in WriteBatch
      */
-    public int count();
+    int count();
 
     /**
      * <p>Store the mapping "key-&gt;value" in the database.</p>
@@ -24,7 +24,7 @@ public interface WriteBatchInterface {
      * @param key the specified key to be inserted.
      * @param value the value associated with the specified key.
      */
-    public void put(byte[] key, byte[] value);
+    void put(byte[] key, byte[] value);
 
     /**
      * <p>Store the mapping "key-&gt;value" within given column
@@ -35,7 +35,7 @@ public interface WriteBatchInterface {
      * @param key the specified key to be inserted.
      * @param value the value associated with the specified key.
      */
-    public void put(ColumnFamilyHandle columnFamilyHandle,
+    void put(ColumnFamilyHandle columnFamilyHandle,
                     byte[] key, byte[] value);
 
     /**
@@ -46,7 +46,7 @@ public interface WriteBatchInterface {
      * @param value the value to be merged with the current value for
      * the specified key.
      */
-    public void merge(byte[] key, byte[] value);
+    void merge(byte[] key, byte[] value);
 
     /**
      * <p>Merge "value" with the existing value of "key" in given column family.
@@ -57,7 +57,7 @@ public interface WriteBatchInterface {
      * @param value the value to be merged with the current value for
      * the specified key.
      */
-    public void merge(ColumnFamilyHandle columnFamilyHandle,
+    void merge(ColumnFamilyHandle columnFamilyHandle,
                       byte[] key, byte[] value);
 
     /**
@@ -65,7 +65,7 @@ public interface WriteBatchInterface {
      *
      * @param key Key to delete within database
      */
-    public void remove(byte[] key);
+    void remove(byte[] key);
 
     /**
      * <p>If column family contains a mapping for "key", erase it.  Else do nothing.</p>
@@ -73,7 +73,7 @@ public interface WriteBatchInterface {
      * @param columnFamilyHandle {@link ColumnFamilyHandle} instance
      * @param key Key to delete within database
      */
-    public void remove(ColumnFamilyHandle columnFamilyHandle, byte[] key);
+    void remove(ColumnFamilyHandle columnFamilyHandle, byte[] key);
 
     /**
      * Append a blob of arbitrary size to the records in this batch. The blob will
@@ -89,10 +89,10 @@ public interface WriteBatchInterface {
      *
      * @param blob binary object to be inserted
      */
-    public void putLogData(byte[] blob);
+    void putLogData(byte[] blob);
 
     /**
      * Clear all updates buffered in this batch
      */
-    public void clear();
+    void clear();
 }