diff --git a/src/calibre/devices/kobo/driver.py b/src/calibre/devices/kobo/driver.py
index e16689f7c9..614a368ac1 100644
--- a/src/calibre/devices/kobo/driver.py
+++ b/src/calibre/devices/kobo/driver.py
@@ -1376,12 +1376,9 @@ class KOBOTOUCH(KOBO):
     FORMA_PRODUCT_ID    = [0x4229]
     GLO_PRODUCT_ID      = [0x4173]
     GLO_HD_PRODUCT_ID   = [0x4223]
-    GLO_HD_PRODUCT_ID   = [0x4223]
     MINI_PRODUCT_ID     = [0x4183]
     TOUCH_PRODUCT_ID    = [0x4163]
     TOUCH2_PRODUCT_ID   = [0x4224]
-    FORMA_PRODUCT_ID    = [0x4223]
-    GLO_HD_PRODUCT_ID   = [0x4229]
     PRODUCT_ID          = AURA_PRODUCT_ID + AURA_EDITION2_PRODUCT_ID + \
                           AURA_HD_PRODUCT_ID + AURA_H2O_PRODUCT_ID + AURA_H2O_EDITION2_PRODUCT_ID + \
                           GLO_PRODUCT_ID + GLO_HD_PRODUCT_ID + \