unused code
diff --git a/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java b/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
index 204debf..28f7164 100644
--- a/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
+++ b/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
@@ -595,7 +595,6 @@
long unsignedSum = 0;
long signedSum = 0;
- int digits = 0;
for (int i = 0; i < header.length; i++) {
byte b = header[i];
if (CHKSUM_OFFSET <= i && i < CHKSUM_OFFSET + CHKSUMLEN) {
diff --git a/src/main/java/org/apache/commons/compress/archivers/zip/X0017_StrongEncryptionHeader.java b/src/main/java/org/apache/commons/compress/archivers/zip/X0017_StrongEncryptionHeader.java
index 11c25ea..c28e88c 100644
--- a/src/main/java/org/apache/commons/compress/archivers/zip/X0017_StrongEncryptionHeader.java
+++ b/src/main/java/org/apache/commons/compress/archivers/zip/X0017_StrongEncryptionHeader.java
@@ -415,7 +415,6 @@
this.ivData = new byte[ivSize];
System.arraycopy(data, offset + 4, this.ivData, 0, ivSize);
- long size = ZipLong.getValue(data, offset + ivSize + 2);
this.format = ZipShort.getValue(data, offset + ivSize + 6);
this.algId = EncryptionAlgorithm.getAlgorithmByCode(ZipShort.getValue(data, offset + ivSize + 8));
this.bitlen = ZipShort.getValue(data, offset + ivSize + 10);
diff --git a/src/main/java/org/apache/commons/compress/archivers/zip/ZipArchiveOutputStream.java b/src/main/java/org/apache/commons/compress/archivers/zip/ZipArchiveOutputStream.java
index 0fe28b1..65d6bad 100644
--- a/src/main/java/org/apache/commons/compress/archivers/zip/ZipArchiveOutputStream.java
+++ b/src/main/java/org/apache/commons/compress/archivers/zip/ZipArchiveOutputStream.java
@@ -111,15 +111,6 @@
/** indicates if this archive is finished. protected for use in Jar implementation */
protected boolean finished = false;
- /*
- * Apparently Deflater.setInput gets slowed down a lot on Sun JVMs
- * when it gets handed a really big buffer. See
- * https://issues.apache.org/bugzilla/show_bug.cgi?id=45396
- *
- * Using a buffer size of 8 kB proved to be a good compromise
- */
- private static final int DEFLATER_BLOCK_SIZE = 8192;
-
/**
* Compression method for deflated entries.
*/