diff --git a/sys/dev/mlx5/driver.h b/sys/dev/mlx5/driver.h
index 2bf0031d9b4..e159079fcaf 100644
--- a/sys/dev/mlx5/driver.h
+++ b/sys/dev/mlx5/driver.h
@@ -207,36 +207,6 @@ enum mlx5_port_status {
 	MLX5_PORT_DOWN      = 1 << 1,
 };
 
-enum mlx5_link_mode {
-	MLX5_1000BASE_CX_SGMII	= 0,
-	MLX5_1000BASE_KX	= 1,
-	MLX5_10GBASE_CX4	= 2,
-	MLX5_10GBASE_KX4	= 3,
-	MLX5_10GBASE_KR		= 4,
-	MLX5_20GBASE_KR2	= 5,
-	MLX5_40GBASE_CR4	= 6,
-	MLX5_40GBASE_KR4	= 7,
-	MLX5_56GBASE_R4		= 8,
-	MLX5_10GBASE_CR		= 12,
-	MLX5_10GBASE_SR		= 13,
-	MLX5_10GBASE_ER		= 14,
-	MLX5_40GBASE_SR4	= 15,
-	MLX5_40GBASE_LR4	= 16,
-	MLX5_100GBASE_CR4	= 20,
-	MLX5_100GBASE_SR4	= 21,
-	MLX5_100GBASE_KR4	= 22,
-	MLX5_100GBASE_LR4	= 23,
-	MLX5_100BASE_TX		= 24,
-	MLX5_1000BASE_T		= 25,
-	MLX5_10GBASE_T		= 26,
-	MLX5_25GBASE_CR		= 27,
-	MLX5_25GBASE_KR		= 28,
-	MLX5_25GBASE_SR		= 29,
-	MLX5_50GBASE_CR2	= 30,
-	MLX5_50GBASE_KR2	= 31,
-	MLX5_LINK_MODES_NUMBER,
-};
-
 enum {
 	MLX5_VSC_SPACE_SUPPORTED = 0x1,
 	MLX5_VSC_SPACE_OFFSET	 = 0x4,