Explicit call to super is redundant
diff --git a/src/main/java/org/apache/commons/validator/routines/checkdigit/LuhnCheckDigit.java b/src/main/java/org/apache/commons/validator/routines/checkdigit/LuhnCheckDigit.java
index e23dea8..e94c919 100644
--- a/src/main/java/org/apache/commons/validator/routines/checkdigit/LuhnCheckDigit.java
+++ b/src/main/java/org/apache/commons/validator/routines/checkdigit/LuhnCheckDigit.java
@@ -50,7 +50,6 @@
      * Constructs a modulus 10 Luhn Check Digit routine.
      */
     public LuhnCheckDigit() {
-        super();
     }
 
     /**