diff --git a/src/test/java/org/apache/commons/math4/fitting/SimpleCurveFitterTest.java b/src/test/java/org/apache/commons/math4/fitting/SimpleCurveFitterTest.java
index bd2b5947e..b581d0d84 100644
--- a/src/test/java/org/apache/commons/math4/fitting/SimpleCurveFitterTest.java
+++ b/src/test/java/org/apache/commons/math4/fitting/SimpleCurveFitterTest.java
@@ -23,11 +23,8 @@ import org.apache.commons.math4.analysis.ParametricUnivariateFunction;
 import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
 import org.apache.commons.math4.distribution.RealDistribution;
 import org.apache.commons.math4.distribution.UniformRealDistribution;
-import org.apache.commons.math4.exception.ConvergenceException;
 import org.apache.commons.math4.fitting.SimpleCurveFitter;
 import org.apache.commons.math4.fitting.WeightedObservedPoints;
-import org.apache.commons.math4.util.FastMath;
-import org.junit.Assert;
 import org.junit.Test;
 
 /**