diff --git a/pmd/test-data/UnusedFormalParam1.java b/pmd/test-data/UnusedFormalParam1.java
index af8c6c88bc..705aaf4920 100644
--- a/pmd/test-data/UnusedFormalParam1.java
+++ b/pmd/test-data/UnusedFormalParam1.java
@@ -10,4 +10,6 @@ class UnusedFormalParam1 {
     private void t2(){
 
     }
+
+
 }
\ No newline at end of file
diff --git a/pmd/test-data/UnusedFormalParam2.java b/pmd/test-data/UnusedFormalParam2.java
new file mode 100644
index 0000000000..b17450168e
--- /dev/null
+++ b/pmd/test-data/UnusedFormalParam2.java
@@ -0,0 +1,11 @@
+class UnusedFormalParam2 {
+    private void readObject (java.io.ObjectInputStream s) throws java.io.IOException
+    {
+        String str = s.readUTF ();
+        String[] args = null;
+        java.util.Properties props = null;
+        org.omg.CORBA.Object obj = org.omg.CORBA.ORB.init (args, props).string_to_object (str);
+        org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl) obj)._get_delegate ();
+        _set_delegate (delegate);
+    }
+}
\ No newline at end of file
diff --git a/pmd/test-data/UnusedFormalParam3.java b/pmd/test-data/UnusedFormalParam3.java
new file mode 100644
index 0000000000..87b12ec2da
--- /dev/null
+++ b/pmd/test-data/UnusedFormalParam3.java
@@ -0,0 +1,5 @@
+class UnusedFormalParam3 {
+    private void t1(String s) {
+        s.toString();
+    }
+}
\ No newline at end of file