diff --git a/arithmetic_codec.h b/arithmetic_codec.h
index f7e709c..4d6d894 100644
--- a/arithmetic_codec.h
+++ b/arithmetic_codec.h
@@ -4,6 +4,17 @@
 // Ported in C from on FastAC by Amir Said's
 // https://github.com/richgel999/FastAC
 
+// The only purpose of this program is to demonstrate the basic principles   -
+// of arithmetic coding. It is provided as is, without any express or        -
+// implied warranty, without even the warranty of fitness for any particular -
+// purpose, or that the implementations are correct.                         -
+//                                                                           -
+// Permission to copy and redistribute this code is hereby granted, provided -
+// that this warning and copyright notices are not removed or altered.       -
+//                                                                           -
+// Copyright (c) 2004 by Amir Said (said@ieee.org) &                         -
+//                       William A. Pearlman (pearlw@ecse.rpi.edu)   
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/tests/test b/tests/test
deleted file mode 100755
index 37f6418..0000000
Binary files a/tests/test and /dev/null differ