diff --git a/src/main/java/de/ids_mannheim/korap/KrillCollectionNew.java b/src/main/java/de/ids_mannheim/korap/KrillCollectionNew.java
index f94b407..3409ff5 100644
--- a/src/main/java/de/ids_mannheim/korap/KrillCollectionNew.java
+++ b/src/main/java/de/ids_mannheim/korap/KrillCollectionNew.java
@@ -27,7 +27,7 @@
             .getLogger(KrillCollection.class);
 
     // This advices the java compiler to ignore all loggings
-    public static final boolean DEBUG = true;
+    public static final boolean DEBUG = false;
 
 
     /**
@@ -97,13 +97,17 @@
     };
     */
 
-
+    /**
+     * This will respect deleted documents.
+     */
     public FixedBitSet bits (AtomicReaderContext atomic) throws IOException {
         AtomicReader r = atomic.reader();
         FixedBitSet bitset = new FixedBitSet(r.maxDoc());
         DocIdSet docids = this.getDocIdSet(atomic, (Bits) r.getLiveDocs());
+
         if (docids == null)
             return null;
+
         bitset.or(docids.iterator());
         return bitset;
     };
@@ -144,6 +148,7 @@
         );
     };
 
+
     /**
      * Search for the number of occurrences of different types,
      * e.g. <i>documents</i>, <i>sentences</i> etc. in the virtual
diff --git a/src/main/java/de/ids_mannheim/korap/collection/BooleanGroupFilter.java b/src/main/java/de/ids_mannheim/korap/collection/BooleanGroupFilter.java
index 7efcc60..60c4ebb 100644
--- a/src/main/java/de/ids_mannheim/korap/collection/BooleanGroupFilter.java
+++ b/src/main/java/de/ids_mannheim/korap/collection/BooleanGroupFilter.java
@@ -33,7 +33,7 @@
     private final static Logger log = LoggerFactory.getLogger(KrillCollection.class);
 
     // This advices the java compiler to ignore all loggings
-    public static final boolean DEBUG = true;
+    public static final boolean DEBUG = false;
 
     // Init operands list
     private final List<GroupFilterOperand> operands = new ArrayList<>(3);
diff --git a/src/main/java/de/ids_mannheim/korap/index/TextAnalyzer.java b/src/main/java/de/ids_mannheim/korap/index/TextAnalyzer.java
index bd5181b..bca39b5 100644
--- a/src/main/java/de/ids_mannheim/korap/index/TextAnalyzer.java
+++ b/src/main/java/de/ids_mannheim/korap/index/TextAnalyzer.java
@@ -11,7 +11,7 @@
 public class TextAnalyzer extends Analyzer {
 
   @Override
-  protected TokenStreamComponents createComponents(final String fieldName, final Reader reader) {
+  protected TokenStreamComponents createComponents (final String fieldName, final Reader reader) {
     final Tokenizer source = new StandardTokenizer(reader);
     TokenStream sink = new LowerCaseFilter(source);
     return new TokenStreamComponents(source, sink);
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index eacf929..5fed33b 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -1,4 +1,4 @@
-# log4j.rootLogger = ERROR, stdout
+log4j.rootLogger = ERROR, stdout
 
 # Queries:
 # log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout
@@ -21,7 +21,7 @@
 
 # Collections:
 # log4j.logger.de.ids_mannheim.korap.collection.Filter = TRACE, stdout
-log4j.logger.de.ids_mannheim.korap.KrillCollection = TRACE, stdout
+# log4j.logger.de.ids_mannheim.korap.KrillCollection = TRACE, stdout
 
 # Responses:
 # log4j.logger.de.ids_mannheim.korap.server.Node = TRACE, stdout