diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index d1a5a10c2a8e..410be694e36b 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -57,9 +57,6 @@ struct tx_packet_hdr {
 #define GET_FW_DEFAULT_BANDS(adapter)  \
 	((adapter->fw_cap_info >> 8) & ALL_802_11_BANDS)
 
-#define SHORT_SLOT_TIME_DISABLED(CapInfo) (CapInfo &= ~BIT(10))
-#define SHORT_SLOT_TIME_ENABLED(CapInfo)  (CapInfo |= BIT(10))
-
 extern u8 supported_rates_b[B_SUPPORTED_RATES];
 extern u8 supported_rates_g[G_SUPPORTED_RATES];
 extern u8 supported_rates_bg[BG_SUPPORTED_RATES];
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 98d76d8c2656..8ffb6a8d1036 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -517,7 +517,7 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 	tmp_cap = bss_desc->cap_info_bitmap;
 
 	if (priv->adapter->config_bands == BAND_B)
-		SHORT_SLOT_TIME_DISABLED(tmp_cap);
+		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
 
 	tmp_cap &= CAPINFO_MASK;
 	dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
@@ -1015,9 +1015,9 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 			     + S_DS_GEN + cmd_append_size));
 
 	if (adapter->adhoc_start_band == BAND_B)
-		SHORT_SLOT_TIME_DISABLED(tmp_cap);
+		tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
 	else
-		SHORT_SLOT_TIME_ENABLED(tmp_cap);
+		tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
 
 	adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap);