diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
index 7b17fcd0a56d7d9aa7784967324c895d672241c3..331ca2b0f8a4ab855245e4872aa1be5023b3a6c0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
@@ -215,16 +215,3 @@ int mlx5e_xsk_setup_umem(struct net_device *dev, struct xdp_umem *umem, u16 qid)
 	return umem ? mlx5e_xsk_enable_umem(priv, umem, ix) :
 		      mlx5e_xsk_disable_umem(priv, ix);
 }
-
-u16 mlx5e_xsk_first_unused_channel(struct mlx5e_params *params, struct mlx5e_xsk *xsk)
-{
-	u16 res = xsk->refcnt ? params->num_channels : 0;
-
-	while (res) {
-		if (mlx5e_xsk_get_umem(params, xsk, res - 1))
-			break;
-		--res;
-	}
-
-	return res;
-}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.h
index 25b4cbe58b5406e1ed40a8d2b27adcbf290a7a52..bada94973586753b7880a9b945f489c561b4d452 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.h
@@ -26,6 +26,4 @@ int mlx5e_xsk_setup_umem(struct net_device *dev, struct xdp_umem *umem, u16 qid)
 
 int mlx5e_xsk_resize_reuseq(struct xdp_umem *umem, u32 nentries);
 
-u16 mlx5e_xsk_first_unused_channel(struct mlx5e_params *params, struct mlx5e_xsk *xsk);
-
 #endif /* __MLX5_EN_XSK_UMEM_H__ */