diff --git a/lib/sysfs.c b/lib/sysfs.c
index ea518560..63950d37 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -161,9 +161,6 @@ int get_type_scaling(sensors_subfeature_type type)
 	case SENSORS_SUBFEATURE_CURR_INPUT:
 	case SENSORS_SUBFEATURE_HUMIDITY_INPUT:
 		return 1000;
-	case SENSORS_SUBFEATURE_FAN_INPUT:
-	case SENSORS_SUBFEATURE_PWM_IO:
-		return 1;
 	case SENSORS_SUBFEATURE_POWER_AVERAGE:
 	case SENSORS_SUBFEATURE_ENERGY_INPUT:
 	case SENSORS_SUBFEATURE_FREQ_INPUT: