diff --git a/pom.xml b/pom.xml
index a0d61f4f4..f19706768 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,13 +21,13 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.aksw</groupId>
 	<artifactId>gerbil.nif.transfer</artifactId>
-	<version>1.2.0-SNAPSHOT</version>
+	<version>1.2.0</version>
 	<name>NIF transfer library for the General Entity Annotator Benchmark</name>
 	<description>This project contains classes for transferring documents using NIF.</description>
 
 	<properties>
 		<java.version>1.7</java.version>
-		<slf4j.version>1.7.5</slf4j.version>
+		<slf4j.version>1.7.6</slf4j.version>
 		<junit.version>4.11</junit.version>
 		<jena.version>2.13.0</jena.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/test/java/org/aksw/gerbil/CorpusGenerationExample.java b/src/test/java/org/aksw/gerbil/CorpusGenerationExample.java
index de90ad5bb..0de7e8a4d 100644
--- a/src/test/java/org/aksw/gerbil/CorpusGenerationExample.java
+++ b/src/test/java/org/aksw/gerbil/CorpusGenerationExample.java
@@ -5,14 +5,12 @@
 import java.util.List;
 import java.util.Set;
 
-import org.aksw.gerbil.io.nif.DocumentListParser;
 import org.aksw.gerbil.io.nif.DocumentListWriter;
 import org.aksw.gerbil.io.nif.NIFParser;
 import org.aksw.gerbil.io.nif.NIFWriter;
 import org.aksw.gerbil.io.nif.impl.TurtleNIFParser;
 import org.aksw.gerbil.io.nif.impl.TurtleNIFWriter;
 import org.aksw.gerbil.transfer.nif.Document;
-import org.aksw.gerbil.transfer.nif.NIFTransferPrefixMapping;
 import org.aksw.gerbil.transfer.nif.data.Annotation;
 import org.aksw.gerbil.transfer.nif.data.DocumentImpl;
 import org.aksw.gerbil.transfer.nif.data.TypedNamedEntity;