diff --git a/include/hardware_legacy/link_layer_stats.h b/include/hardware_legacy/link_layer_stats.h
index a75804d..eb042d7 100644
--- a/include/hardware_legacy/link_layer_stats.h
+++ b/include/hardware_legacy/link_layer_stats.h
@@ -83,7 +83,7 @@ typedef struct {
 } wifi_channel_stat;
 
 // Max number of tx power levels. The actual number vary per device and is specified by |num_tx_levels|
-#define RADIO_STAT_MAX_TX_LEVELS 64
+#define RADIO_STAT_MAX_TX_LEVELS 256
 
 /* radio statistics */
 typedef struct {
diff --git a/include/hardware_legacy/wifi_hal.h b/include/hardware_legacy/wifi_hal.h
index e843379..293b5f7 100644
--- a/include/hardware_legacy/wifi_hal.h
+++ b/include/hardware_legacy/wifi_hal.h
@@ -117,12 +117,6 @@ void wifi_get_error_info(wifi_error err, const char **msg); // return a pointer
 
 typedef int feature_set;
 
-#define IS_MASK_SET(mask, flags)        ((flags & mask) == mask)
-#define IS_MASK_RESET(mask, flags)      ((flags & mask) == 0)
-
-#define IS_SUPPORTED_FEATURE(feature, featureSet)       IS_MASK_SET(feature, fetureSet)
-#define IS_UNSUPPORTED_FEATURE(feature, featureSet)     IS_MASK_RESET(feature, fetureSet)
-
 /* Feature set */
 wifi_error wifi_get_supported_feature_set(wifi_interface_handle handle, feature_set *set);