diff --git a/src/test/org/apache/commons/math/optimization/general/GaussNewtonOptimizerTest.java b/src/test/org/apache/commons/math/optimization/general/GaussNewtonOptimizerTest.java
index 650d012e4..d2336fb5c 100644
--- a/src/test/org/apache/commons/math/optimization/general/GaussNewtonOptimizerTest.java
+++ b/src/test/org/apache/commons/math/optimization/general/GaussNewtonOptimizerTest.java
@@ -28,7 +28,6 @@ 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;
diff --git a/src/test/org/apache/commons/math/optimization/general/MinpackTest.java b/src/test/org/apache/commons/math/optimization/general/MinpackTest.java
index 17952d1c1..ec2e9dd5e 100644
--- a/src/test/org/apache/commons/math/optimization/general/MinpackTest.java
+++ b/src/test/org/apache/commons/math/optimization/general/MinpackTest.java
@@ -26,7 +26,6 @@ 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.optimization.OptimizationException;
 import org.apache.commons.math.optimization.VectorialPointValuePair;