diff --git a/telethon_generator/tl_generator.py b/telethon_generator/tl_generator.py
index ecdbd5fe..6faedc8d 100644
--- a/telethon_generator/tl_generator.py
+++ b/telethon_generator/tl_generator.py
@@ -5,6 +5,8 @@ from zlib import crc32
 from collections import defaultdict
 
 from .parser import SourceBuilder, TLParser
+AUTO_GEN_NOTICE = \
+    '"""File generated by TLObjects\' generator. All changes will be ERASED"""'
 
 
 class TLGenerator:
@@ -75,8 +77,7 @@ class TLGenerator:
         filename = os.path.join(self._get_file('all_tlobjects.py'))
         with open(filename, 'w', encoding='utf-8') as file:
             with SourceBuilder(file) as builder:
-                builder.writeln(
-                    '"""File generated by TLObjects\' generator. All changes will be ERASED"""')
+                builder.writeln(AUTO_GEN_NOTICE)
                 builder.writeln()
 
                 builder.writeln('from . import types, functions')
@@ -119,6 +120,7 @@ class TLGenerator:
             file = os.path.join(out_dir, ns + '.py' if ns else '__init__.py')
             with open(file, 'w', encoding='utf-8') as f, \
                     SourceBuilder(f) as builder:
+                builder.writeln(AUTO_GEN_NOTICE)
                 # Add the relative imports to the namespaces,
                 # unless we already are in a namespace.
                 if not ns:
@@ -179,15 +181,6 @@ class TLGenerator:
         builder.writeln('class {}(TLObject):'.format(
             TLGenerator.get_class_name(tlobject)))
 
-        # Write the original .tl definition,
-        # along with a "generated automatically" message
-        builder.writeln(
-            '"""Class generated by TLObjects\' generator. '
-            'All changes will be ERASED. TL definition below.'
-        )
-        builder.writeln('{}"""'.format(repr(tlobject)))
-        builder.writeln()
-
         # Class-level variable to store its constructor ID
         builder.writeln("# Telegram's constructor (U)ID for this class")
         builder.writeln('constructor_id = {}'.format(hex(tlobject.id)))