diff --git a/backend/sftp/sftp.go b/backend/sftp/sftp.go
index ea003cda5..3167a8c65 100644
--- a/backend/sftp/sftp.go
+++ b/backend/sftp/sftp.go
@@ -429,10 +429,6 @@ func (f *Fs) newSftpClient(conn *ssh.Client, opts ...sftp.ClientOption) (*sftp.C
 		sftp.UseConcurrentReads(!f.opt.DisableConcurrentReads),
 		sftp.UseConcurrentWrites(!f.opt.DisableConcurrentWrites),
 	)
-	if f.opt.DisableConcurrentReads { // FIXME
-		fs.Errorf(f, "Ignoring disable_concurrent_reads after library reversion - see #5197")
-	}
-
 	return sftp.NewClientPipe(pr, pw, opts...)
 }