diff --git a/gtsam/navigation/CombinedImuFactor.h b/gtsam/navigation/CombinedImuFactor.h
index 0aeeabc22..0c7ba7547 100644
--- a/gtsam/navigation/CombinedImuFactor.h
+++ b/gtsam/navigation/CombinedImuFactor.h
@@ -212,8 +212,6 @@ public:
    * sensor)
    * @param measuredOmega Measured angular velocity (as given by the sensor)
    * @param deltaT Time interval between two consecutive IMU measurements
-   * @param body_P_sensor Optional sensor frame (pose of the IMU in the body
-   * frame)
    */
   void integrateMeasurement(const Vector3& measuredAcc,
       const Vector3& measuredOmega, const double dt) override;