diff --git a/central_backend/src/crypto/pki.rs b/central_backend/src/crypto/pki.rs
index 4f9cd5a..d986b0c 100644
--- a/central_backend/src/crypto/pki.rs
+++ b/central_backend/src/crypto/pki.rs
@@ -120,7 +120,7 @@ enum GenCertificatSubjectReq<'a> {
     CSR { csr: &'a X509Req },
 }
 
-impl<'a> Default for GenCertificatSubjectReq<'a> {
+impl Default for GenCertificatSubjectReq<'_> {
     fn default() -> Self {
         Self::Subject { cn: "" }
     }