diff -aur mutter-3.20.0/src/backends/native/meta-input-settings-native.c mutter-3.20.0-accelprofile/src/backends/native/meta-input-settings-native.c
--- mutter-3.20.0/src/backends/native/meta-input-settings-native.c	2016-03-03 18:45:02.000000000 +0300
+++ mutter-3.20.0-accelprofile/src/backends/native/meta-input-settings-native.c	2016-03-31 03:20:40.920333156 +0300
@@ -78,6 +78,10 @@
   struct libinput_device *libinput_device;
 
   libinput_device = clutter_evdev_input_device_get_libinput_device (device);
+
+  libinput_device_config_accel_set_profile (libinput_device,
+                                            LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT);
+
   libinput_device_config_accel_set_speed (libinput_device,
                                           CLAMP (speed, -1, 1));
 }
