diff --git a/module_usb_audio/devicedefines.h b/module_usb_audio/devicedefines.h
index a0163b47..e4c8fe29 100644
--- a/module_usb_audio/devicedefines.h
+++ b/module_usb_audio/devicedefines.h
@@ -325,6 +325,7 @@
     #define NATIVE_DSD_FORMAT_NUM   (OUTPUT_FORMAT_COUNT)
 #endif
 
+
 /* Default resolutions */
 /* Note, 24 on the lowests in case OUTPUT_FORMAT_COUNT = 1 */
 #ifndef STREAM_FORMAT_OUTPUT_1_RESOLUTION_BITS
@@ -727,9 +728,6 @@
 
 #define ID_MIXER_1               60
 
-#define MANUFACTURER_STR_INDEX	 0x01
-#define PRODUCT_STR_INDEX_A2     0x03
-
 /* Mixer defines */
 #ifndef MIX_INPUTS
 #define MIX_INPUTS                  18