diff --git a/include/dsp.h b/include/dsp.h
index d943fc581b..763a7777f4 100644
--- a/include/dsp.h
+++ b/include/dsp.h
@@ -237,7 +237,6 @@ struct svm3_state_f32_s
 
 struct openloop_data_f32_s
 {
-  float max;           /* Open-loop max speed */
   float angle;         /* Open-loop current angle normalized to <0.0, 2PI> */
   float per;           /* Open-loop control execution period */
 };
@@ -445,8 +444,7 @@ void motor_sobserver_div(FAR struct motor_observer_f32_s *o,
 
 /* Motor openloop control */
 
-void motor_openloop_init(FAR struct openloop_data_f32_s *op,
-                         float max, float per);
+void motor_openloop_init(FAR struct openloop_data_f32_s *op, float per);
 void motor_openloop(FAR struct openloop_data_f32_s *op, float speed,
                     float dir);
 float motor_openloop_angle_get(FAR struct openloop_data_f32_s *op);
diff --git a/libs/libdsp/lib_motor.c b/libs/libdsp/lib_motor.c
index 63cbe0071e..d691d19843 100644
--- a/libs/libdsp/lib_motor.c
+++ b/libs/libdsp/lib_motor.c
@@ -42,7 +42,6 @@
  *
  * Input Parameters:
  *   op  - (in/out) pointer to the openloop data structure
- *   max - (in) maximum openloop speed
  *   per - (in) period of the open-loop control
  *
  * Returned Value:
@@ -50,11 +49,9 @@
  *
  ****************************************************************************/
 
-void motor_openloop_init(FAR struct openloop_data_f32_s *op, float max,
-                         float per)
+void motor_openloop_init(FAR struct openloop_data_f32_s *op, float per)
 {
   LIBDSP_DEBUGASSERT(op != NULL);
-  LIBDSP_DEBUGASSERT(max > 0.0f);
   LIBDSP_DEBUGASSERT(per > 0.0f);
 
   /* Reset openloop structure */
@@ -63,7 +60,6 @@ void motor_openloop_init(FAR struct openloop_data_f32_s *op, float max,
 
   /* Initialize data */
 
-  op->max = max;
   op->per = per;
 }
 
@@ -92,15 +88,6 @@ void motor_openloop(FAR struct openloop_data_f32_s *op, float speed,
 
   float phase_step = 0.0f;
 
-  /* REVISIT: what should we do if speed is greater than max open-loop speed?
-   *          Saturate speed or stop motor ?
-   */
-
-  if (speed > op->max)
-    {
-      speed = op->max;
-    }
-
   /* Get phase step */
 
   phase_step = dir * speed * op->per;