diff --git a/TODO.md b/TODO.md
index caed74359..6989b4493 100644
--- a/TODO.md
+++ b/TODO.md
@@ -6,8 +6,7 @@
 
 ### Torrentzip
 
-- Handle data sources with unknown uncompressed size.
-- Handle when uncompressed size < 4GB but compressed size > 4GB.
+- Handle data sources with unknown uncompressed size: if we forced ZIP64 and don't need it, return specific error (so calling code can decide what to do (e. g. clear torrentzip flag and call `zip_close()` again)).
 
 ## Other
 
diff --git a/lib/zip_extra_field_api.c b/lib/zip_extra_field_api.c
index 560c71bb2..ff52afd1b 100644
--- a/lib/zip_extra_field_api.c
+++ b/lib/zip_extra_field_api.c
@@ -56,10 +56,6 @@ zip_file_extra_field_delete(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_idx, zi
         zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
         return -1;
     }
-    if (ZIP_WANT_TORRENTZIP(za)) {
-        zip_error_set(&za->error, ZIP_ER_NOT_ALLOWED, 0);
-        return -1;
-    }
 
     if (_zip_file_extra_field_prepare_for_change(za, idx) < 0)
         return -1;