diff --git a/lib/KorAP/XML/Batch/File.pm b/lib/KorAP/XML/Batch/File.pm
index 6dc5d7b..5c1bea9 100644
--- a/lib/KorAP/XML/Batch/File.pm
+++ b/lib/KorAP/XML/Batch/File.pm
@@ -22,7 +22,6 @@
     koral           => $param{koral},
     non_word_tokens => $param{non_word_tokens},
     non_verbal_tokens => $param{non_verbal_tokens},
-    pretty          => $param{pretty},
     gzip            => $param{gzip}      // 0
   }, $class;
 };
@@ -73,11 +72,7 @@
   };
 
   my $file;
-  my $print_text = (
-    $self->{pretty} ?
-      $tokens->to_pretty_json($self->{koral}) :
-      $tokens->to_json($self->{koral})
-    );
+  my $print_text = $tokens->to_json($self->{koral});
 
   # There is an output file given
   if ($output) {
@@ -200,11 +195,6 @@
 
 A L<Mojo::Log> compatible log object.
 
-=item pretty
-
-Pretty print the output JSON.
-Defaults to C<false>.
-
 =item gzip
 
 Compress the output using Gzip.
diff --git a/lib/KorAP/XML/Tokenizer.pm b/lib/KorAP/XML/Tokenizer.pm
index ffd9f80..7e72968 100644
--- a/lib/KorAP/XML/Tokenizer.pm
+++ b/lib/KorAP/XML/Tokenizer.pm
@@ -608,13 +608,6 @@
   encode_json($self->to_data($version));
 };
 
-
-sub to_pretty_json {
-  my ($self, $version) = @_;
-  JSON::XS->new->pretty->encode($self->to_data($version));
-};
-
-
 # Remove diacritics from a unicode string
 sub remove_diacritics {
   use utf8;