diff --git a/include/usb/usb_common.h b/include/usb/usb_common.h
index af1b1c57546..e723b2bd41a 100644
--- a/include/usb/usb_common.h
+++ b/include/usb/usb_common.h
@@ -104,7 +104,6 @@
 
 /* Sub-classes */
 #define ACM_SUBCLASS			0x02
-#define CDC_ECM_SUBCLASS		0x06
 #define CDC_NCM_SUBCLASS		0x0d
 #define BOOT_INTERFACE_SUBCLASS		0x01
 #define SCSI_TRANSPARENT_SUBCLASS	0x06
diff --git a/subsys/usb/usb_descriptor.c b/subsys/usb/usb_descriptor.c
index 2588d16b264..8b32638a16e 100644
--- a/subsys/usb/usb_descriptor.c
+++ b/subsys/usb/usb_descriptor.c
@@ -411,7 +411,7 @@ static struct dev_common_descriptor common_desc = {
 			.bFirstInterface = FIRST_IFACE_CDC_ECM,
 			.bInterfaceCount = 0x02,
 			.bFunctionClass = COMMUNICATION_DEVICE_CLASS,
-			.bFunctionSubClass = CDC_ECM_SUBCLASS,
+			.bFunctionSubClass = ECM_SUBCLASS,
 			.bFunctionProtocol = 0,
 			.iFunction = 0,
 		},
@@ -426,7 +426,7 @@ static struct dev_common_descriptor common_desc = {
 			.bAlternateSetting = 0,
 			.bNumEndpoints = 1,
 			.bInterfaceClass = COMMUNICATION_DEVICE_CLASS,
-			.bInterfaceSubClass = CDC_ECM_SUBCLASS,
+			.bInterfaceSubClass = ECM_SUBCLASS,
 			.bInterfaceProtocol = 0,
 			.iInterface = 0,
 		},
@@ -491,7 +491,7 @@ static struct dev_common_descriptor common_desc = {
 			.bAlternateSetting = 1,
 			.bNumEndpoints = 2,
 			.bInterfaceClass = COMMUNICATION_DEVICE_CLASS_DATA,
-			.bInterfaceSubClass = CDC_ECM_SUBCLASS,
+			.bInterfaceSubClass = ECM_SUBCLASS,
 			.bInterfaceProtocol = 0,
 			.iInterface = 0,
 		},