diff --git a/LICENSE.txt b/LICENSE.txt
index 064867c53a..238de7f58e 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -498,29 +498,3 @@ intellectual property laws of the United States of America. No party to this
Agreement will bring a legal action under this Agreement more than one year
after the cause of action arose. Each party waives its rights to a jury trial in
any resulting litigation.
-
-
-For lib/slf4j-api-1.5.8.jar and lib/slf4j-log4j12-1.5.8.jar:
-------------------------------------------------------------
-
-Copyright (c) 2004-2008 QOS.ch
-All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/NOTICE.txt b/NOTICE.txt
index 0696a05785..2dfb2b87cf 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -16,9 +16,6 @@ Copyright 2006-2009 Yidong Fang.
This product makes use of the JUnit test framework (http://junit.org).
-Logging abstraction provided by SLF4J (http://www.slf4j.org).
-Copyright (c) 2004-2008 QOS.ch
-
Some alternate data structures provided by concurrentlinkedhashmap
from http://code.google.com/p/concurrentlinkedhashmap/.
Copyright 2009 Benjamin Manes
diff --git a/ivy.xml b/ivy.xml
index d0aaed8b18..49cbaaff8b 100644
--- a/ivy.xml
+++ b/ivy.xml
@@ -38,6 +38,8 @@
rev="3.2.1"/>
+
+
diff --git a/lib/log4j-1.2.15.jar b/lib/log4j-1.2.15.jar
deleted file mode 100644
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diff --git a/lib/slf4j-api-1.5.8.jar b/lib/slf4j-api-1.5.8.jar
deleted file mode 100644
index 35502caaea..0000000000
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diff --git a/lib/slf4j-log4j12-1.5.8.jar b/lib/slf4j-log4j12-1.5.8.jar
deleted file mode 100644
index b63bcdc746..0000000000
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