diff --git a/backend/library.c b/backend/library.c
index 17e24d57..cbfef357 100644
--- a/backend/library.c
+++ b/backend/library.c
@@ -340,7 +340,6 @@ int ZBarcode_ValidID(int symbol_id)
 		case BARCODE_RM4SCC:
 		case BARCODE_DATAMATRIX:
 		case BARCODE_EAN14:
-		case BARCODE_CODABLOCKF:
 		case BARCODE_NVE18:
 		case BARCODE_JAPANPOST:
 		case BARCODE_KOREAPOST: