Unused "import".
diff --git a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/CMAESOptimizerTest.java b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/CMAESOptimizerTest.java
index 3c23414..7481adc 100644
--- a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/CMAESOptimizerTest.java
+++ b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/optim/nonlinear/scalar/noderiv/CMAESOptimizerTest.java
@@ -34,7 +34,6 @@
 import org.apache.commons.math4.legacy.core.jdkmath.AccurateMath;
 import org.junit.Assert;
 import org.junit.Test;
-import org.junit.runner.RunWith;
 
 /**
  * Test for {@link CMAESOptimizer}.