diff --git a/rustfmt_excluded_files b/rustfmt_excluded_files
index 4bb7fe0f3..cdc1f5d25 100644
--- a/rustfmt_excluded_files
+++ b/rustfmt_excluded_files
@@ -1,5 +1,4 @@
 lightning-invoice/fuzz/fuzz_targets/serde_data_part.rs
-lightning-invoice/src/de.rs
 lightning-invoice/src/lib.rs
 lightning-invoice/src/payment.rs
 lightning-invoice/src/ser.rs