diff --git a/src/main/java/org/apache/commons/math3/optim/nonlinear/vector/Weight.java b/src/main/java/org/apache/commons/math3/optim/nonlinear/vector/Weight.java
index aa3299aea..56aac3576 100644
--- a/src/main/java/org/apache/commons/math3/optim/nonlinear/vector/Weight.java
+++ b/src/main/java/org/apache/commons/math3/optim/nonlinear/vector/Weight.java
@@ -39,7 +39,6 @@ public class Weight implements OptimizationData {
      * @param weight List of the values of the diagonal.
      */
     public Weight(double[] weight) {
-        final int dim = weight.length;
         weightMatrix = new DiagonalMatrix(weight);
     }