diff --git a/src/main/java/org/orekit/forces/maneuvers/propulsion/ThrustPropulsionModel.java b/src/main/java/org/orekit/forces/maneuvers/propulsion/ThrustPropulsionModel.java
index 983170e8f2790196f6435e5249b4cb7e3a61423e..9a5574df16d27b14922a597ff18b4fdd4f0149e3 100644
--- a/src/main/java/org/orekit/forces/maneuvers/propulsion/ThrustPropulsionModel.java
+++ b/src/main/java/org/orekit/forces/maneuvers/propulsion/ThrustPropulsionModel.java
@@ -108,14 +108,12 @@ public interface ThrustPropulsionModel extends PropulsionModel {
                                     final Attitude maneuverAttitude,
                                     double[] parameters) {
 
+        // Extract thrust & direction from thrust vector
         final Vector3D thrustVector = getThrustVector(s, parameters);
         final double thrust = thrustVector.getNorm();
         final Vector3D direction = thrustVector.normalize();
 
         // Compute thrust acceleration in inertial frame
-        // It seems under-efficient to rotate direction and apply thrust
-        // instead of just rotating the whole thrust vector itself.
-        // However it has to be done that way to avoid numerical discrepancies with legacy tests.
         return new Vector3D(thrust / s.getMass(),
                             maneuverAttitude.getRotation().applyInverseTo(direction));
     }
@@ -133,9 +131,6 @@ public interface ThrustPropulsionModel extends PropulsionModel {
         final FieldVector3D<T> direction = thrustVector.normalize();
 
         // Compute thrust acceleration in inertial frame
-        // It seems under-efficient to rotate direction and apply thrust
-        // instead of just rotating the whole thrust vector itself.
-        // However it has to be done that way to avoid numerical discrepancies with legacy tests.
         return new FieldVector3D<>(s.getMass().reciprocal().multiply(thrust),
                         maneuverAttitude.getRotation().applyInverseTo(direction));
     }