diff --git a/src/devices/tachomotor.ts b/src/devices/tachomotor.ts
index 5f0aff3..3ae54f6 100644
--- a/src/devices/tachomotor.ts
+++ b/src/devices/tachomotor.ts
@@ -31,16 +31,16 @@ export class TachoMotor extends BasicMotor {
      * Rotate a motor by a given angle.
      * @method TachoMotor#rotateByAngle
      * @param {number} angle How much the motor should be rotated (in degrees).
-     * @param {number} [power=100] For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100.
+     * @param {number} [speed=100] For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100.
      * @returns {Promise} Resolved upon successful completion of command (ie. once the motor is finished).
      */
-    public rotateByAngle (angle: number, power: number = 100) {
+    public rotateByAngle (angle: number, speed: number = 100) {
         if (this.isWeDo2SmartHub) {
             throw new Error("Angle rotation is not available on the WeDo 2.0 Smart Hub");
         }
         return new Promise((resolve) => {
             this._busy = true;
-            const message = Buffer.from([0x81, this.portId, 0x11, 0x0b, 0x00, 0x00, 0x00, 0x00, mapSpeed(power), 0x64, 0x7f, 0x03]);
+            const message = Buffer.from([0x81, this.portId, 0x11, 0x0b, 0x00, 0x00, 0x00, 0x00, mapSpeed(speed), 0x64, 0x7f, 0x03]);
             message.writeUInt32LE(angle, 4);
             this.send(message);
             this._finished = () => {
diff --git a/src/hubs/lpf2hub.ts b/src/hubs/lpf2hub.ts
index 200fcc4..70bcdc1 100644
--- a/src/hubs/lpf2hub.ts
+++ b/src/hubs/lpf2hub.ts
@@ -401,20 +401,6 @@ export class LPF2Hub extends Hub {
             }
         }
 
-        // const port = this._getPortForPortNumber(data[3]);
-
-        // if (!port) {
-        //     return;
-        // }
-
-        // if (data[4] === 0x0a) {
-        //     port.busy = false;
-        //     if (port.finished) {
-        //         port.finished();
-        //         port.finished = null;
-        //     }
-        // }
-
     }