diff --git a/router/java/src/net/i2p/router/transport/udp/SSU2Util.java b/router/java/src/net/i2p/router/transport/udp/SSU2Util.java
index aa4370815196845d1e90c60ce71cde1b00106365..4d8295b70f8b5e058de267d52e4f4b9deb113bc6 100644
--- a/router/java/src/net/i2p/router/transport/udp/SSU2Util.java
+++ b/router/java/src/net/i2p/router/transport/udp/SSU2Util.java
@@ -56,16 +56,16 @@ final class SSU2Util {
 
 
     /** 3 byte block header + 9 byte I2NP header = 12 */
-    public static final int FULL_I2NP_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 9;
+ //   public static final int FULL_I2NP_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 9;
 
     /** 3 byte block header + 9 byte I2NP header = 12 */
-    public static final int FIRST_FRAGMENT_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 9;
+ //   public static final int FIRST_FRAGMENT_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 9;
 
     /** 3 byte block header + 4 byte msg ID + 1 byte fragment info = 8 */
-    public static final int FOLLOWON_FRAGMENT_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 5;
+ //   public static final int FOLLOWON_FRAGMENT_HEADER_SIZE = SSU2Payload.BLOCK_HEADER_SIZE + 5;
 
     /** 16 byte block header + 2 + 12 = 30 */
-    public static final int DATA_HEADER_SIZE = SHORT_HEADER_SIZE + 2 + FULL_I2NP_HEADER_SIZE;
+ //   public static final int DATA_HEADER_SIZE = SHORT_HEADER_SIZE + 2 + FULL_I2NP_HEADER_SIZE;
 
     /**
      *  The message types, 0-10, as bytes