diff --git a/vipra-cmd/src/main/java/de/vipra/cmd/lda/Analyzer.java b/vipra-cmd/src/main/java/de/vipra/cmd/lda/Analyzer.java
index 18c40db845e38eae2691809ad0b12acdeea2d5e7..34c7e7837d79cbafd5b910bb3824c2cdf6b7d873 100644
--- a/vipra-cmd/src/main/java/de/vipra/cmd/lda/Analyzer.java
+++ b/vipra-cmd/src/main/java/de/vipra/cmd/lda/Analyzer.java
@@ -117,12 +117,12 @@ public class Analyzer {
 
 			String line;
 			int iteration = 0;
-			int maxIterationsLength = Integer.toString(modelConfig.getDynamicMaxIterations()).length();
+			final int maxIterationsLength = Integer.toString(modelConfig.getDynamicMaxIterations()).length();
 			while ((line = in.readLine()) != null) {
 				if (line.contains("EM iter")) {
 					iteration++;
-					double progress = (double) iteration / modelConfig.getDynamicMaxIterations() * 100.0;
-					int tenthPercent = (int) (progress - progress % 10) / 10;
+					final double progress = (double) iteration / modelConfig.getDynamicMaxIterations() * 100.0;
+					final int tenthPercent = (int) (progress - progress % 10) / 10;
 					ConsoleUtils.infoNOLF(" [" + StringUtils.repeat("#", tenthPercent) + StringUtils.repeat(" ", 10 - tenthPercent) + "] "
 							+ StringUtils.pad(Integer.toString((int) Math.floor(progress)), 3, true) + "% ("
 							+ StringUtils.pad(Integer.toString(iteration), maxIterationsLength, true) + "/" + modelConfig.getDynamicMinIterations()
diff --git a/vipra-cmd/src/main/java/de/vipra/cmd/option/IndexingCommand.java b/vipra-cmd/src/main/java/de/vipra/cmd/option/IndexingCommand.java
index 7d8d0ae2a13039e517b6463404678d155ba5e673..30a62dcb4a99bcb42bb4bbffd9e3d154a78fca79 100644
--- a/vipra-cmd/src/main/java/de/vipra/cmd/option/IndexingCommand.java
+++ b/vipra-cmd/src/main/java/de/vipra/cmd/option/IndexingCommand.java
@@ -15,7 +15,6 @@ import de.vipra.util.ConsoleUtils;
 import de.vipra.util.ESClient;
 import de.vipra.util.ESSerializer;
 import de.vipra.util.MongoUtils;
-import de.vipra.util.StringUtils;
 import de.vipra.util.ex.ConfigException;
 import de.vipra.util.ex.DatabaseException;
 import de.vipra.util.model.ArticleFull;
diff --git a/vipra-cmd/src/main/java/de/vipra/cmd/option/ModelingCommand.java b/vipra-cmd/src/main/java/de/vipra/cmd/option/ModelingCommand.java
index f7fef6eb58d7b1e8d387751fde18689ffd38e97a..da6979effa9a945cff6993b5207d0bcf29da9f97 100644
--- a/vipra-cmd/src/main/java/de/vipra/cmd/option/ModelingCommand.java
+++ b/vipra-cmd/src/main/java/de/vipra/cmd/option/ModelingCommand.java
@@ -26,7 +26,7 @@ public class ModelingCommand implements Command {
 	private void modelForModel(final TopicModelConfig modelConfig)
 			throws AnalyzerException, ConfigException, DatabaseException, ParseException, IOException, InterruptedException {
 		ConsoleUtils.info("generating model: " + modelConfig.getName());
-		
+
 		final Analyzer analyzer = new Analyzer();
 
 		final Timer timer = new Timer();
diff --git a/vipra-util/src/main/java/de/vipra/util/model/Article.java b/vipra-util/src/main/java/de/vipra/util/model/Article.java
index b4d26b9a2549d1622bd813e10ada694e1f2c5462..b2c16747384b43ca7b885f97604be30c5ce7494e 100644
--- a/vipra-util/src/main/java/de/vipra/util/model/Article.java
+++ b/vipra-util/src/main/java/de/vipra/util/model/Article.java
@@ -51,7 +51,7 @@ public class Article implements Model<ObjectId>, Serializable {
 		return topicsCount;
 	}
 
-	public void setTopicsCount(Integer topicsCount) {
+	public void setTopicsCount(final Integer topicsCount) {
 		this.topicsCount = topicsCount;
 	}
 
diff --git a/vipra-util/src/main/java/de/vipra/util/model/Topic.java b/vipra-util/src/main/java/de/vipra/util/model/Topic.java
index f7df00197436434ffada7f5cd2f0cfffaca5e041..c373e009f0ea604ac81300cbe2a493f7b5a7e761 100644
--- a/vipra-util/src/main/java/de/vipra/util/model/Topic.java
+++ b/vipra-util/src/main/java/de/vipra/util/model/Topic.java
@@ -62,7 +62,7 @@ public class Topic implements Model<ObjectId>, Serializable {
 		return articlesCount;
 	}
 
-	public void setArticlesCount(int articlesCount) {
+	public void setArticlesCount(final int articlesCount) {
 		this.articlesCount = articlesCount;
 	}