diff --git a/hgext/convert/monotone.py b/hgext/convert/monotone.py
--- a/hgext/convert/monotone.py
+++ b/hgext/convert/monotone.py
@@ -150,7 +150,7 @@
                 raise error.Abort(_(b'bad mtn packet - no end of packet size'))
             lengthstr += read
         try:
-            length = pycompat.long(lengthstr[:-1])
+            length = int(lengthstr[:-1])
         except TypeError:
             raise error.Abort(
                 _(b'bad mtn packet - bad packet size %s') % lengthstr
diff --git a/hgext/remotefilelog/shallowutil.py b/hgext/remotefilelog/shallowutil.py
--- a/hgext/remotefilelog/shallowutil.py
+++ b/hgext/remotefilelog/shallowutil.py
@@ -175,8 +175,8 @@
 
 
 _metaitemtypes = {
-    constants.METAKEYFLAG: (int, pycompat.long),
-    constants.METAKEYSIZE: (int, pycompat.long),
+    constants.METAKEYFLAG: (int, int),
+    constants.METAKEYSIZE: (int, int),
 }
 
 
diff --git a/mercurial/formatter.py b/mercurial/formatter.py
--- a/mercurial/formatter.py
+++ b/mercurial/formatter.py
@@ -141,7 +141,7 @@
     Returns False if the object is unsupported or must be pre-processed by
     formatdate(), formatdict(), or formatlist().
     """
-    return isinstance(obj, (type(None), bool, int, pycompat.long, float, bytes))
+    return isinstance(obj, (type(None), bool, int, int, float, bytes))
 
 
 class _nullconverter(object):
diff --git a/mercurial/templatefilters.py b/mercurial/templatefilters.py
--- a/mercurial/templatefilters.py
+++ b/mercurial/templatefilters.py
@@ -334,7 +334,7 @@
         return b'false'
     elif obj is True:
         return b'true'
-    elif isinstance(obj, (int, pycompat.long, float)):
+    elif isinstance(obj, (int, int, float)):
         return pycompat.bytestr(obj)
     elif isinstance(obj, bytes):
         return b'"%s"' % encoding.jsonescape(obj, paranoid=paranoid)
diff --git a/mercurial/utils/cborutil.py b/mercurial/utils/cborutil.py
--- a/mercurial/utils/cborutil.py
+++ b/mercurial/utils/cborutil.py
@@ -9,7 +9,6 @@
 import struct
 import sys
 
-from .. import pycompat
 
 # Very short very of RFC 7049...
 #
@@ -207,7 +206,7 @@
 STREAM_ENCODERS = {
     bytes: streamencodebytestring,
     int: streamencodeint,
-    pycompat.long: streamencodeint,
+    int: streamencodeint,
     list: streamencodearray,
     tuple: streamencodearray,
     dict: streamencodemap,