diff --git a/mercurial/httppeer.py b/mercurial/httppeer.py
--- a/mercurial/httppeer.py
+++ b/mercurial/httppeer.py
@@ -33,7 +33,6 @@
     url as urlmod,
     util,
     wireprotoframing,
-    wireprototypes,
     wireprotov1peer,
     wireprotov2peer,
     wireprotov2server,
@@ -815,7 +814,7 @@
 #    Integer priority for the service. If we could choose from multiple
 #    services, we choose the one with the highest priority.
 API_PEERS = {
-    wireprototypes.HTTP_WIREPROTO_V2: {
+    wireprotov2server.HTTP_WIREPROTO_V2: {
         'init': httpv2peer,
         'priority': 50,
     },
diff --git a/mercurial/wireprototypes.py b/mercurial/wireprototypes.py
--- a/mercurial/wireprototypes.py
+++ b/mercurial/wireprototypes.py
@@ -22,7 +22,6 @@
 # These are advertised over the wire. Increment the counters at the end
 # to reflect BC breakages.
 SSHV2 = 'exp-ssh-v2-0001'
-HTTP_WIREPROTO_V2 = 'exp-http-v2-0001'
 
 # All available wire protocol transports.
 TRANSPORTS = {
@@ -39,7 +38,7 @@
         'transport': 'http',
         'version': 1,
     },
-    HTTP_WIREPROTO_V2: {
+    'http-v2': {
         'transport': 'http',
         'version': 2,
     }
diff --git a/mercurial/wireprotov2server.py b/mercurial/wireprotov2server.py
--- a/mercurial/wireprotov2server.py
+++ b/mercurial/wireprotov2server.py
@@ -27,7 +27,7 @@
 
 FRAMINGTYPE = b'application/mercurial-exp-framing-0005'
 
-HTTP_WIREPROTO_V2 = wireprototypes.HTTP_WIREPROTO_V2
+HTTP_WIREPROTO_V2 = b'exp-http-v2-0001'
 
 COMMANDS = wireprototypes.commanddict()