diff --git a/doc/apps/x509v3_config.pod b/doc/apps/x509v3_config.pod
index a9368db0..3b610a48 100644
--- a/doc/apps/x509v3_config.pod
+++ b/doc/apps/x509v3_config.pod
@@ -2,8 +2,6 @@
 
 =encoding utf8 
 
-=encoding utf8 
-
 =for comment gmssl_manual_section:5
 
 =head1 NAME