Documentation/lei-config.pod | 6 ------
 lib/PublicInbox/NetReader.pm | 2 +-

diff --git a/Documentation/lei-config.pod b/Documentation/lei-config.pod
index c91f36eed4ed9de6477e8293282737bf1ff5dc9f..154295cee56dfaa0b846fe32d621f6ea4fd72729 100644
--- a/Documentation/lei-config.pod
+++ b/Documentation/lei-config.pod
@@ -84,12 +84,6 @@ Small responses for IMAP flags are fetched at 10000 times this value.
 
 Default: 1
 
-=item imap.ignoreSizeErrors
-
-Ignore size mismatches from broken IMAP server implementations.
-
-Default: false
-
 =item color.SLOT
 
 C<quoted>, C<hdrdefault>, C<status>, C<attachment> color slots
diff --git a/lib/PublicInbox/NetReader.pm b/lib/PublicInbox/NetReader.pm
index eab7320e913aefc9441c63cb4b0b1bf441f30996..2b74af4142155a76a632369ebfed81b240c50f4b 100644
--- a/lib/PublicInbox/NetReader.pm
+++ b/lib/PublicInbox/NetReader.pm
@@ -328,7 +328,7 @@ 	for my $uri (@{$self->{imap_order}}) {
 		my $sec = uri_section($uri);
 
 		# knobs directly for Mail::IMAPClient->new
-		for my $k (qw(Starttls Debug Compress Ignoresizeerrors)) {
+		for my $k (qw(Starttls Debug Compress)) {
 			my $bool = cfg_bool($cfg, "imap.$k", $$uri) // next;
 			$mic_common->{$sec}->{$k} = $bool;
 		}