diff --git a/examples/device/hid_composite_freertos/src/usb_descriptors.c b/examples/device/hid_composite_freertos/src/usb_descriptors.c
index 6bde2ff7..02cbc17f 100644
--- a/examples/device/hid_composite_freertos/src/usb_descriptors.c
+++ b/examples/device/hid_composite_freertos/src/usb_descriptors.c
@@ -73,8 +73,8 @@ uint8_t const * tud_descriptor_device_cb(void)
 
 uint8_t const desc_hid_report[] =
 {
-  TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(REPORT_ID_KEYBOARD), ),
-  TUD_HID_REPORT_DESC_MOUSE   ( HID_REPORT_ID(REPORT_ID_MOUSE), )
+  TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(REPORT_ID_KEYBOARD) ),
+  TUD_HID_REPORT_DESC_MOUSE   ( HID_REPORT_ID(REPORT_ID_MOUSE) )
 };
 
 // Invoked when received GET HID REPORT DESCRIPTOR
diff --git a/examples/device/usbtmc/src/usb_descriptors.c b/examples/device/usbtmc/src/usb_descriptors.c
index 4dd91ae3..86d78e1c 100644
--- a/examples/device/usbtmc/src/usb_descriptors.c
+++ b/examples/device/usbtmc/src/usb_descriptors.c
@@ -45,18 +45,9 @@ tusb_desc_device_t const desc_device =
     .bLength            = sizeof(tusb_desc_device_t),
     .bDescriptorType    = TUSB_DESC_DEVICE,
     .bcdUSB             = 0x0200,
-
-  #if CFG_TUD_CDC
-    // Use Interface Association Descriptor (IAD) for CDC
-    // As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
-    .bDeviceClass       = TUSB_CLASS_MISC,
-    .bDeviceSubClass    = MISC_SUBCLASS_COMMON,
-    .bDeviceProtocol    = MISC_PROTOCOL_IAD,
-  #else
     .bDeviceClass       = 0x00,
     .bDeviceSubClass    = 0x00,
     .bDeviceProtocol    = 0x00,
-  #endif
 
     .bMaxPacketSize0    = CFG_TUD_ENDPOINT0_SIZE,
 
@@ -78,27 +69,6 @@ uint8_t const * tud_descriptor_device_cb(void)
   return (uint8_t const *) &desc_device;
 }
 
-//--------------------------------------------------------------------+
-// HID Report Descriptor
-//--------------------------------------------------------------------+
-#if CFG_TUD_HID
-
-uint8_t const desc_hid_report[] =
-{
-  TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(REPORT_ID_KEYBOARD), ),
-  TUD_HID_REPORT_DESC_MOUSE   ( HID_REPORT_ID(REPORT_ID_MOUSE), )
-};
-
-// Invoked when received GET HID REPORT DESCRIPTOR
-// Application return pointer to descriptor
-// Descriptor contents must exist long enough for transfer to complete
-uint8_t const * tud_hid_descriptor_report_cb(void)
-{
-  return desc_hid_report;
-}
-
-#endif
-
 //--------------------------------------------------------------------+
 // Configuration Descriptor
 //--------------------------------------------------------------------+
@@ -130,27 +100,12 @@ uint8_t const * tud_hid_descriptor_report_cb(void)
 
 enum
 {
-#if CFG_TUD_CDC
-  ITF_NUM_CDC = 0,
-  ITF_NUM_CDC_DATA,
-#endif
-
-#if CFG_TUD_MSC
-  ITF_NUM_MSC,
-#endif
-
-#if CFG_TUD_HID
-  ITF_NUM_HID,
-#endif
-#if CFG_TUD_USBTMC
   ITF_NUM_USBTMC,
-#endif
   ITF_NUM_TOTAL
 };
 
 
-#define CONFIG_TOTAL_LEN    (TUD_CONFIG_DESC_LEN + CFG_TUD_CDC*TUD_CDC_DESC_LEN + CFG_TUD_MSC*TUD_MSC_DESC_LEN +  \
-    CFG_TUD_HID*TUD_HID_DESC_LEN  + (CFG_TUD_USBTMC)*TUD_USBTMC_DESC_LEN)
+#define CONFIG_TOTAL_LEN    (TUD_CONFIG_DESC_LEN + TUD_USBTMC_DESC_LEN)
 
 #if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
   // LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
@@ -168,27 +123,9 @@ uint8_t const desc_configuration[] =
   // Config number, interface count, string index, total length, attribute, power in mA
   TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
 
-#if CFG_TUD_CDC
-  // Interface number, string index, EP notification address and size, EP data address (out, in) and size.
-  TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 1, 0x81, 8, 0x02, 0x82, 64),
-#endif
-
-#if CFG_TUD_USBTMC
   TUD_USBTMC_DESC(ITF_NUM_USBTMC),
-#endif
-
-#if CFG_TUD_MSC
-  // Interface number, string index, EP Out & EP In address, EP size
-  TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC, 0x80 | EPNUM_MSC, (CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 512 : 64),
-#endif
-
-#if CFG_TUD_HID
-  // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
-  TUD_HID_DESCRIPTOR(ITF_NUM_HID, 6, HID_PROTOCOL_NONE, sizeof(desc_hid_report), 0x84, 16, 10)
-#endif
 };
 
-
 // Invoked when received GET CONFIGURATION DESCRIPTOR
 // Application return pointer to descriptor
 // Descriptor contents must exist long enough for transfer to complete