diff --git a/brouter-expressions/src/main/java/btools/expressions/IntegrityCheckProfile.java b/brouter-expressions/src/main/java/btools/expressions/IntegrityCheckProfile.java
index 7c77016..6b9c85f 100644
--- a/brouter-expressions/src/main/java/btools/expressions/IntegrityCheckProfile.java
+++ b/brouter-expressions/src/main/java/btools/expressions/IntegrityCheckProfile.java
@@ -4,7 +4,7 @@ import java.io.File;
 
 public class IntegrityCheckProfile {
 
-  public static void main(final java.lang.String[] args) {
+  public static void main(final String[] args) {
     if (args.length != 2) {
       System.out.println("usage: java IntegrityCheckProfile <lookup-file> <profile-folder>");
       return;
diff --git a/brouter-server/src/main/java/btools/server/RouteServer.java b/brouter-server/src/main/java/btools/server/RouteServer.java
index 237a75b..628cf3e 100644
--- a/brouter-server/src/main/java/btools/server/RouteServer.java
+++ b/brouter-server/src/main/java/btools/server/RouteServer.java
@@ -226,7 +226,7 @@ public class RouteServer extends Thread implements Comparable<RouteServer> {
         if (track != null) {
           if (headers != null) // compressed
           {
-            java.io.ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
             Writer w = new OutputStreamWriter(new GZIPOutputStream(baos), "UTF-8");
             w.write(handler.formatTrack(track));
             w.close();
diff --git a/config/pmd/pmd-ruleset.xml b/config/pmd/pmd-ruleset.xml
index 7ee2f27..8b25040 100644
--- a/config/pmd/pmd-ruleset.xml
+++ b/config/pmd/pmd-ruleset.xml
@@ -34,7 +34,6 @@
         <exclude name="SimplifyBooleanReturns" />
         <exclude name="UncommentedEmptyConstructor" />
         <exclude name="UncommentedEmptyMethodBody" />
-        <exclude name="UnnecessaryFullyQualifiedName" />
         <exclude name="UnnecessaryModifier" />
         <exclude name="UnusedFormalParameter" />
         <exclude name="UnusedLocalVariable" />