diff --git a/core/res/res/drawable-nodpi/default_wallpaper.jpg b/core/res/res/drawable-nodpi/default_wallpaper.jpg deleted file mode 100644 index d7475b4c66dba..0000000000000 Binary files a/core/res/res/drawable-nodpi/default_wallpaper.jpg and /dev/null differ diff --git a/core/res/res/drawable-nodpi/default_wallpaper.png b/core/res/res/drawable-nodpi/default_wallpaper.png new file mode 100644 index 0000000000000..91ad252507e5b Binary files /dev/null and b/core/res/res/drawable-nodpi/default_wallpaper.png differ diff --git a/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.jpg b/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.jpg deleted file mode 100644 index 03a14c09c720c..0000000000000 Binary files a/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.jpg and /dev/null differ diff --git a/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.png b/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.png new file mode 100644 index 0000000000000..af8e2512385a5 Binary files /dev/null and b/core/res/res/drawable-sw600dp-nodpi/default_wallpaper.png differ diff --git a/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.jpg b/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.jpg deleted file mode 100644 index 543d118f21a5d..0000000000000 Binary files a/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.jpg and /dev/null differ diff --git a/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.png b/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.png new file mode 100644 index 0000000000000..cb00d82a826fa Binary files /dev/null and b/core/res/res/drawable-sw720dp-nodpi/default_wallpaper.png differ diff --git a/tests/HwAccelerationTest/res/drawable/default_wallpaper.jpg b/tests/HwAccelerationTest/res/drawable/default_wallpaper.jpg deleted file mode 100644 index 5acad947cc834..0000000000000 Binary files a/tests/HwAccelerationTest/res/drawable/default_wallpaper.jpg and /dev/null differ diff --git a/tests/HwAccelerationTest/res/drawable/default_wallpaper.png b/tests/HwAccelerationTest/res/drawable/default_wallpaper.png new file mode 100644 index 0000000000000..91ad252507e5b Binary files /dev/null and b/tests/HwAccelerationTest/res/drawable/default_wallpaper.png differ