diff --git a/core/src/main/java/org/orekit/rugged/api/LineSensor.java b/core/src/main/java/org/orekit/rugged/api/LineSensor.java
index 891224fd5ee088220c8f9ba43d65e79493d42aca..2d7a6f7326ebe88e2da7ed0fce39190eef5c8bc0 100644
--- a/core/src/main/java/org/orekit/rugged/api/LineSensor.java
+++ b/core/src/main/java/org/orekit/rugged/api/LineSensor.java
@@ -22,7 +22,6 @@ import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
 import org.apache.commons.math3.linear.MatrixUtils;
 import org.apache.commons.math3.linear.RealMatrix;
 import org.apache.commons.math3.linear.SingularValueDecomposition;
-import org.apache.commons.math3.util.FastMath;
 import org.orekit.time.AbsoluteDate;
 
 /** Line sensor model.