diff --git a/rust-bins/duniter-dbex/src/export_bc.rs b/rust-bins/duniter-dbex/src/export_bc.rs
index 3e5a5891f31cc469b6c26a07676b961368eb1a43..ca653a5cefecbe046c119645c09fede07e3c61cc 100644
--- a/rust-bins/duniter-dbex/src/export_bc.rs
+++ b/rust-bins/duniter-dbex/src/export_bc.rs
@@ -69,6 +69,10 @@ pub(crate) fn export_bc<B: Backend>(
                         Ok(serde_json::Value::Object(mut block_json)) => {
                             block_json.remove("UDTime");
                             block_json.remove("fork");
+                            block_json.remove("wrong");
+                            block_json.remove("written_on");
+                            block_json.remove("writtenOn");
+
                             // Remove field `transactions.hash`
                             if let Some(serde_json::Value::Array(txs_json)) =
                                 block_json.get_mut("transactions")