diff --git a/data/.gitkeep b/data/.gitkeep
deleted file mode 100644
index e69de29bb..000000000
diff --git a/logstash-core/src/main/java/org/logstash/common/io/InputStreamStreamInput.java b/logstash-core/src/main/java/org/logstash/common/io/InputStreamStreamInput.java
index 712e42b87..002fad88c 100644
--- a/logstash-core/src/main/java/org/logstash/common/io/InputStreamStreamInput.java
+++ b/logstash-core/src/main/java/org/logstash/common/io/InputStreamStreamInput.java
@@ -24,7 +24,7 @@ public class InputStreamStreamInput extends StreamInput {
     public void readBytes(byte[] b, int offset, int len) throws IOException {
         if (len < 0)
             throw new IndexOutOfBoundsException();
-        final int read = Streams.readFully(is, b, offset, len);
+        final int read = readFully(is, b, offset, len);
         if (read != len) {
             throw new EOFException();
         }
@@ -74,4 +74,16 @@ public class InputStreamStreamInput extends StreamInput {
     public long skip(long n) throws IOException {
         return is.skip(n);
     }
+
+    private static int readFully(InputStream reader, byte[] dest, int offset, int len) throws IOException {
+        int read = 0;
+        while (read < len) {
+            final int r = reader.read(dest, offset + read, len - read);
+            if (r == -1) {
+                break;
+            }
+            read += r;
+        }
+        return read;
+    }
 }
diff --git a/logstash-core/src/main/java/org/logstash/common/io/Streams.java b/logstash-core/src/main/java/org/logstash/common/io/Streams.java
deleted file mode 100644
index a156640ab..000000000
--- a/logstash-core/src/main/java/org/logstash/common/io/Streams.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you 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 at
- *
- *    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.
- */
-
-package org.logstash.common.io;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-
-public abstract class Streams {
-
-    public static int readFully(Reader reader, char[] dest) throws IOException {
-        return readFully(reader, dest, 0, dest.length);
-    }
-
-    public static int readFully(Reader reader, char[] dest, int offset, int len) throws IOException {
-        int read = 0;
-        while (read < len) {
-            final int r = reader.read(dest, offset + read, len - read);
-            if (r == -1) {
-                break;
-            }
-            read += r;
-        }
-        return read;
-    }
-
-    public static int readFully(InputStream reader, byte[] dest) throws IOException {
-        return readFully(reader, dest, 0, dest.length);
-    }
-
-    public static int readFully(InputStream reader, byte[] dest, int offset, int len) throws IOException {
-        int read = 0;
-        while (read < len) {
-            final int r = reader.read(dest, offset + read, len - read);
-            if (r == -1) {
-                break;
-            }
-            read += r;
-        }
-        return read;
-    }
-}
-