diff --git a/driver-ds3231/src/main/java/com/leinardi/android/things/driver/ds3231/Ds3231.java b/driver-ds3231/src/main/java/com/leinardi/android/things/driver/ds3231/Ds3231.java
index ac657fe..64d89f4 100644
--- a/driver-ds3231/src/main/java/com/leinardi/android/things/driver/ds3231/Ds3231.java
+++ b/driver-ds3231/src/main/java/com/leinardi/android/things/driver/ds3231/Ds3231.java
@@ -435,8 +435,9 @@ public boolean isSquareWaveEnabled() throws IOException {
      * <p>
      * It is set to false when power is first applied.
      *
-     * @param enabled When set to true with {@link #isInterruptControlEnable()} equals false and V CC < V PF , it
-     *                enables the square wave. When false, the INT/SQW pin goes high impedance when V CC < V PF.
+     * @param enabled When set to true with {@link #isInterruptControlEnable()} equals false and V CC lower than V
+     *                PFm, it enables the square wave. When false, the INT/SQW pin goes high impedance when V CC is
+     *                lower than V PF.
      * @throws IOException
      */
     public void setSquareWave(boolean enabled) throws IOException {
diff --git a/driver-hcsr04/src/main/java/com/leinardi/android/things/driver/hcsr04/Hcsr04.java b/driver-hcsr04/src/main/java/com/leinardi/android/things/driver/hcsr04/Hcsr04.java
index 8309096..fb00ccc 100644
--- a/driver-hcsr04/src/main/java/com/leinardi/android/things/driver/hcsr04/Hcsr04.java
+++ b/driver-hcsr04/src/main/java/com/leinardi/android/things/driver/hcsr04/Hcsr04.java
@@ -145,8 +145,6 @@ public float readDistance() {
 
     /**
      * Close the driver and the underlying device.
-     *
-     * @throws IOException
      */
     @Override
     public void close() {
diff --git a/driver-sh1106/src/main/java/com/leinardi/android/things/driver/sh1106/BitmapHelper.java b/driver-sh1106/src/main/java/com/leinardi/android/things/driver/sh1106/BitmapHelper.java
index 9e2c78e..48fb507 100644
--- a/driver-sh1106/src/main/java/com/leinardi/android/things/driver/sh1106/BitmapHelper.java
+++ b/driver-sh1106/src/main/java/com/leinardi/android/things/driver/sh1106/BitmapHelper.java
@@ -74,7 +74,6 @@ public static void setBmpData(Sh1106 mScreen, int xOffset, int yOffset, Bitmap b
      * @param offset    The byte offset to start writing screen bitmap data at.
      * @param bmp       The bitmap image that you want to convert to screen data.
      * @param drawWhite Set to true to draw white pixels, false to draw pixels based on gradient.
-     * @return A byte array with pixel data for the SH1106.
      */
     public static void bmpToBytes(byte[][] buffer, int offset, Bitmap bmp, boolean drawWhite) {
         int width = bmp.getWidth();