diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 638b8aa5214d..f147bc019e7b 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -8050,25 +8050,6 @@ void
 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
 				      u64 color_bitmap, u8 link_id);
 
-/**
- * ieee80211_is_tx_data - check if frame is a data frame
- *
- * The function is used to check if a frame is a data frame. Frames with
- * hardware encapsulation enabled are data frames.
- *
- * @skb: the frame to be transmitted.
- *
- * Return: %true if @skb is a data frame, %false otherwise
- */
-static inline bool ieee80211_is_tx_data(struct sk_buff *skb)
-{
-	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-	struct ieee80211_hdr *hdr = (void *) skb->data;
-
-	return info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP ||
-	       ieee80211_is_data(hdr->frame_control);
-}
-
 /**
  * ieee80211_set_active_links - set active links in client mode
  * @vif: interface to set active links on
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d06cb8e7dfb3..04954a963742 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -191,6 +191,15 @@ struct ieee80211_tx_data {
 	unsigned int flags;
 };
 
+static inline bool ieee80211_is_tx_data(struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hdr *hdr = (void *)skb->data;
+
+	return info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP ||
+	       ieee80211_is_data(hdr->frame_control);
+}
+
 /**
  * enum ieee80211_packet_rx_flags - packet RX flags
  * @IEEE80211_RX_AMSDU: a-MSDU packet