diff --git a/src/test/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizerTest.java b/src/test/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizerTest.java
index 1ec9c22bf..42e89e7d7 100644
--- a/src/test/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizerTest.java
+++ b/src/test/org/apache/commons/math/optimization/general/LevenbergMarquardtOptimizerTest.java
@@ -29,7 +29,6 @@ import junit.framework.TestSuite;
 import org.apache.commons.math.FunctionEvaluationException;
 import org.apache.commons.math.analysis.DifferentiableMultivariateVectorialFunction;
 import org.apache.commons.math.analysis.MultivariateMatrixFunction;
-import org.apache.commons.math.analysis.MultivariateVectorialFunction;
 import org.apache.commons.math.linear.DenseRealMatrix;
 import org.apache.commons.math.linear.RealMatrix;
 import org.apache.commons.math.optimization.OptimizationException;