Remove polylith/API mode (#2967)

This removes most of the code used for polylith/API mode.

This removes the `/api` internal endpoints entirely. 

Binary size change roughly 5%: 
```
51437560 Feb 13 10:15 dendrite-monolith-server # old
48759008 Feb 13 10:15 dendrite-monolith-server # new
```

9 files changed, 3 insertions, 1057 deletions

diff --git a/userapi/api/api_trace.go b/userapi/api/api_trace.go
deleted file mode 100644
index d10b5767..00000000
--- a/userapi/api/api_trace.go
+++ /dev/null
@@ -1,219 +0,0 @@
-// Copyright 2021 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package api
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-
-	"github.com/matrix-org/util"
-)
-
-// UserInternalAPITrace wraps a RoomserverInternalAPI and logs the
-// complete request/response/error
-type UserInternalAPITrace struct {
-	Impl UserInternalAPI
-}
-
-func (t *UserInternalAPITrace) InputAccountData(ctx context.Context, req *InputAccountDataRequest, res *InputAccountDataResponse) error {
-	err := t.Impl.InputAccountData(ctx, req, res)
-	util.GetLogger(ctx).Infof("InputAccountData req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformAccountCreation(ctx context.Context, req *PerformAccountCreationRequest, res *PerformAccountCreationResponse) error {
-	err := t.Impl.PerformAccountCreation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformAccountCreation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformPasswordUpdate(ctx context.Context, req *PerformPasswordUpdateRequest, res *PerformPasswordUpdateResponse) error {
-	err := t.Impl.PerformPasswordUpdate(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformPasswordUpdate req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) PerformDeviceCreation(ctx context.Context, req *PerformDeviceCreationRequest, res *PerformDeviceCreationResponse) error {
-	err := t.Impl.PerformDeviceCreation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformDeviceCreation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformDeviceDeletion(ctx context.Context, req *PerformDeviceDeletionRequest, res *PerformDeviceDeletionResponse) error {
-	err := t.Impl.PerformDeviceDeletion(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformDeviceDeletion req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformLastSeenUpdate(ctx context.Context, req *PerformLastSeenUpdateRequest, res *PerformLastSeenUpdateResponse) error {
-	err := t.Impl.PerformLastSeenUpdate(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformLastSeenUpdate req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformDeviceUpdate(ctx context.Context, req *PerformDeviceUpdateRequest, res *PerformDeviceUpdateResponse) error {
-	err := t.Impl.PerformDeviceUpdate(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformDeviceUpdate req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformAccountDeactivation(ctx context.Context, req *PerformAccountDeactivationRequest, res *PerformAccountDeactivationResponse) error {
-	err := t.Impl.PerformAccountDeactivation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformAccountDeactivation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformOpenIDTokenCreation(ctx context.Context, req *PerformOpenIDTokenCreationRequest, res *PerformOpenIDTokenCreationResponse) error {
-	err := t.Impl.PerformOpenIDTokenCreation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformOpenIDTokenCreation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformKeyBackup(ctx context.Context, req *PerformKeyBackupRequest, res *PerformKeyBackupResponse) error {
-	err := t.Impl.PerformKeyBackup(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformKeyBackup req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformPusherSet(ctx context.Context, req *PerformPusherSetRequest, res *struct{}) error {
-	err := t.Impl.PerformPusherSet(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformPusherSet req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformPusherDeletion(ctx context.Context, req *PerformPusherDeletionRequest, res *struct{}) error {
-	err := t.Impl.PerformPusherDeletion(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformPusherDeletion req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) PerformPushRulesPut(ctx context.Context, req *PerformPushRulesPutRequest, res *struct{}) error {
-	err := t.Impl.PerformPushRulesPut(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformPushRulesPut req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryKeyBackup(ctx context.Context, req *QueryKeyBackupRequest, res *QueryKeyBackupResponse) error {
-	err := t.Impl.QueryKeyBackup(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryKeyBackup req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryProfile(ctx context.Context, req *QueryProfileRequest, res *QueryProfileResponse) error {
-	err := t.Impl.QueryProfile(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryProfile req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryAccessToken(ctx context.Context, req *QueryAccessTokenRequest, res *QueryAccessTokenResponse) error {
-	err := t.Impl.QueryAccessToken(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryAccessToken req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryDevices(ctx context.Context, req *QueryDevicesRequest, res *QueryDevicesResponse) error {
-	err := t.Impl.QueryDevices(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryDevices req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryAccountData(ctx context.Context, req *QueryAccountDataRequest, res *QueryAccountDataResponse) error {
-	err := t.Impl.QueryAccountData(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryAccountData req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryDeviceInfos(ctx context.Context, req *QueryDeviceInfosRequest, res *QueryDeviceInfosResponse) error {
-	err := t.Impl.QueryDeviceInfos(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryDeviceInfos req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QuerySearchProfiles(ctx context.Context, req *QuerySearchProfilesRequest, res *QuerySearchProfilesResponse) error {
-	err := t.Impl.QuerySearchProfiles(ctx, req, res)
-	util.GetLogger(ctx).Infof("QuerySearchProfiles req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryOpenIDToken(ctx context.Context, req *QueryOpenIDTokenRequest, res *QueryOpenIDTokenResponse) error {
-	err := t.Impl.QueryOpenIDToken(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryOpenIDToken req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryPushers(ctx context.Context, req *QueryPushersRequest, res *QueryPushersResponse) error {
-	err := t.Impl.QueryPushers(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryPushers req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryPushRules(ctx context.Context, req *QueryPushRulesRequest, res *QueryPushRulesResponse) error {
-	err := t.Impl.QueryPushRules(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryPushRules req=%+v res=%+v", js(req), js(res))
-	return err
-}
-func (t *UserInternalAPITrace) QueryNotifications(ctx context.Context, req *QueryNotificationsRequest, res *QueryNotificationsResponse) error {
-	err := t.Impl.QueryNotifications(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryNotifications req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) SetAvatarURL(ctx context.Context, req *PerformSetAvatarURLRequest, res *PerformSetAvatarURLResponse) error {
-	err := t.Impl.SetAvatarURL(ctx, req, res)
-	util.GetLogger(ctx).Infof("SetAvatarURL req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryNumericLocalpart(ctx context.Context, req *QueryNumericLocalpartRequest, res *QueryNumericLocalpartResponse) error {
-	err := t.Impl.QueryNumericLocalpart(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryNumericLocalpart req= res=%+v", js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryAccountAvailability(ctx context.Context, req *QueryAccountAvailabilityRequest, res *QueryAccountAvailabilityResponse) error {
-	err := t.Impl.QueryAccountAvailability(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryAccountAvailability req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) SetDisplayName(ctx context.Context, req *PerformUpdateDisplayNameRequest, res *PerformUpdateDisplayNameResponse) error {
-	err := t.Impl.SetDisplayName(ctx, req, res)
-	util.GetLogger(ctx).Infof("SetDisplayName req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryAccountByPassword(ctx context.Context, req *QueryAccountByPasswordRequest, res *QueryAccountByPasswordResponse) error {
-	err := t.Impl.QueryAccountByPassword(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryAccountByPassword req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryLocalpartForThreePID(ctx context.Context, req *QueryLocalpartForThreePIDRequest, res *QueryLocalpartForThreePIDResponse) error {
-	err := t.Impl.QueryLocalpartForThreePID(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryLocalpartForThreePID req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryThreePIDsForLocalpart(ctx context.Context, req *QueryThreePIDsForLocalpartRequest, res *QueryThreePIDsForLocalpartResponse) error {
-	err := t.Impl.QueryThreePIDsForLocalpart(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryThreePIDsForLocalpart req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) PerformForgetThreePID(ctx context.Context, req *PerformForgetThreePIDRequest, res *struct{}) error {
-	err := t.Impl.PerformForgetThreePID(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformForgetThreePID req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) PerformSaveThreePIDAssociation(ctx context.Context, req *PerformSaveThreePIDAssociationRequest, res *struct{}) error {
-	err := t.Impl.PerformSaveThreePIDAssociation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformSaveThreePIDAssociation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryAccountByLocalpart(ctx context.Context, req *QueryAccountByLocalpartRequest, res *QueryAccountByLocalpartResponse) error {
-	err := t.Impl.QueryAccountByLocalpart(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryAccountByLocalpart req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func js(thing interface{}) string {
-	b, err := json.Marshal(thing)
-	if err != nil {
-		return fmt.Sprintf("Marshal error:%s", err)
-	}
-	return string(b)
-}
diff --git a/userapi/api/api_trace_logintoken.go b/userapi/api/api_trace_logintoken.go
deleted file mode 100644
index e60dae59..00000000
--- a/userapi/api/api_trace_logintoken.go
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright 2021 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package api
-
-import (
-	"context"
-
-	"github.com/matrix-org/util"
-)
-
-func (t *UserInternalAPITrace) PerformLoginTokenCreation(ctx context.Context, req *PerformLoginTokenCreationRequest, res *PerformLoginTokenCreationResponse) error {
-	err := t.Impl.PerformLoginTokenCreation(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformLoginTokenCreation req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) PerformLoginTokenDeletion(ctx context.Context, req *PerformLoginTokenDeletionRequest, res *PerformLoginTokenDeletionResponse) error {
-	err := t.Impl.PerformLoginTokenDeletion(ctx, req, res)
-	util.GetLogger(ctx).Infof("PerformLoginTokenDeletion req=%+v res=%+v", js(req), js(res))
-	return err
-}
-
-func (t *UserInternalAPITrace) QueryLoginToken(ctx context.Context, req *QueryLoginTokenRequest, res *QueryLoginTokenResponse) error {
-	err := t.Impl.QueryLoginToken(ctx, req, res)
-	util.GetLogger(ctx).Infof("QueryLoginToken req=%+v res=%+v", js(req), js(res))
-	return err
-}
diff --git a/userapi/inthttp/client.go b/userapi/inthttp/client.go
deleted file mode 100644
index 51b0fe3e..00000000
--- a/userapi/inthttp/client.go
+++ /dev/null
@@ -1,454 +0,0 @@
-// Copyright 2020 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package inthttp
-
-import (
-	"context"
-	"errors"
-	"net/http"
-
-	"github.com/matrix-org/dendrite/internal/httputil"
-	"github.com/matrix-org/dendrite/userapi/api"
-)
-
-// HTTP paths for the internal HTTP APIs
-const (
-	InputAccountDataPath = "/userapi/inputAccountData"
-
-	PerformDeviceCreationPath          = "/userapi/performDeviceCreation"
-	PerformAccountCreationPath         = "/userapi/performAccountCreation"
-	PerformPasswordUpdatePath          = "/userapi/performPasswordUpdate"
-	PerformDeviceDeletionPath          = "/userapi/performDeviceDeletion"
-	PerformLastSeenUpdatePath          = "/userapi/performLastSeenUpdate"
-	PerformDeviceUpdatePath            = "/userapi/performDeviceUpdate"
-	PerformAccountDeactivationPath     = "/userapi/performAccountDeactivation"
-	PerformOpenIDTokenCreationPath     = "/userapi/performOpenIDTokenCreation"
-	PerformKeyBackupPath               = "/userapi/performKeyBackup"
-	PerformPusherSetPath               = "/pushserver/performPusherSet"
-	PerformPusherDeletionPath          = "/pushserver/performPusherDeletion"
-	PerformPushRulesPutPath            = "/pushserver/performPushRulesPut"
-	PerformSetAvatarURLPath            = "/userapi/performSetAvatarURL"
-	PerformSetDisplayNamePath          = "/userapi/performSetDisplayName"
-	PerformForgetThreePIDPath          = "/userapi/performForgetThreePID"
-	PerformSaveThreePIDAssociationPath = "/userapi/performSaveThreePIDAssociation"
-
-	QueryKeyBackupPath             = "/userapi/queryKeyBackup"
-	QueryProfilePath               = "/userapi/queryProfile"
-	QueryAccessTokenPath           = "/userapi/queryAccessToken"
-	QueryDevicesPath               = "/userapi/queryDevices"
-	QueryAccountDataPath           = "/userapi/queryAccountData"
-	QueryDeviceInfosPath           = "/userapi/queryDeviceInfos"
-	QuerySearchProfilesPath        = "/userapi/querySearchProfiles"
-	QueryOpenIDTokenPath           = "/userapi/queryOpenIDToken"
-	QueryPushersPath               = "/pushserver/queryPushers"
-	QueryPushRulesPath             = "/pushserver/queryPushRules"
-	QueryNotificationsPath         = "/pushserver/queryNotifications"
-	QueryNumericLocalpartPath      = "/userapi/queryNumericLocalpart"
-	QueryAccountAvailabilityPath   = "/userapi/queryAccountAvailability"
-	QueryAccountByPasswordPath     = "/userapi/queryAccountByPassword"
-	QueryLocalpartForThreePIDPath  = "/userapi/queryLocalpartForThreePID"
-	QueryThreePIDsForLocalpartPath = "/userapi/queryThreePIDsForLocalpart"
-	QueryAccountByLocalpartPath    = "/userapi/queryAccountType"
-)
-
-// NewUserAPIClient creates a UserInternalAPI implemented by talking to a HTTP POST API.
-// If httpClient is nil an error is returned
-func NewUserAPIClient(
-	apiURL string,
-	httpClient *http.Client,
-) (api.UserInternalAPI, error) {
-	if httpClient == nil {
-		return nil, errors.New("NewUserAPIClient: httpClient is <nil>")
-	}
-	return &httpUserInternalAPI{
-		apiURL:     apiURL,
-		httpClient: httpClient,
-	}, nil
-}
-
-type httpUserInternalAPI struct {
-	apiURL     string
-	httpClient *http.Client
-}
-
-func (h *httpUserInternalAPI) InputAccountData(ctx context.Context, req *api.InputAccountDataRequest, res *api.InputAccountDataResponse) error {
-	return httputil.CallInternalRPCAPI(
-		"InputAccountData", h.apiURL+InputAccountDataPath,
-		h.httpClient, ctx, req, res,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformAccountCreation(
-	ctx context.Context,
-	request *api.PerformAccountCreationRequest,
-	response *api.PerformAccountCreationResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformAccountCreation", h.apiURL+PerformAccountCreationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformPasswordUpdate(
-	ctx context.Context,
-	request *api.PerformPasswordUpdateRequest,
-	response *api.PerformPasswordUpdateResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformPasswordUpdate", h.apiURL+PerformPasswordUpdatePath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformDeviceCreation(
-	ctx context.Context,
-	request *api.PerformDeviceCreationRequest,
-	response *api.PerformDeviceCreationResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformDeviceCreation", h.apiURL+PerformDeviceCreationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformDeviceDeletion(
-	ctx context.Context,
-	request *api.PerformDeviceDeletionRequest,
-	response *api.PerformDeviceDeletionResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformDeviceDeletion", h.apiURL+PerformDeviceDeletionPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformLastSeenUpdate(
-	ctx context.Context,
-	request *api.PerformLastSeenUpdateRequest,
-	response *api.PerformLastSeenUpdateResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformLastSeen", h.apiURL+PerformLastSeenUpdatePath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformDeviceUpdate(
-	ctx context.Context,
-	request *api.PerformDeviceUpdateRequest,
-	response *api.PerformDeviceUpdateResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformDeviceUpdate", h.apiURL+PerformDeviceUpdatePath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformAccountDeactivation(
-	ctx context.Context,
-	request *api.PerformAccountDeactivationRequest,
-	response *api.PerformAccountDeactivationResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformAccountDeactivation", h.apiURL+PerformAccountDeactivationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformOpenIDTokenCreation(
-	ctx context.Context,
-	request *api.PerformOpenIDTokenCreationRequest,
-	response *api.PerformOpenIDTokenCreationResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformOpenIDTokenCreation", h.apiURL+PerformOpenIDTokenCreationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryProfile(
-	ctx context.Context,
-	request *api.QueryProfileRequest,
-	response *api.QueryProfileResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryProfile", h.apiURL+QueryProfilePath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryDeviceInfos(
-	ctx context.Context,
-	request *api.QueryDeviceInfosRequest,
-	response *api.QueryDeviceInfosResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryDeviceInfos", h.apiURL+QueryDeviceInfosPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryAccessToken(
-	ctx context.Context,
-	request *api.QueryAccessTokenRequest,
-	response *api.QueryAccessTokenResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryAccessToken", h.apiURL+QueryAccessTokenPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryDevices(
-	ctx context.Context,
-	request *api.QueryDevicesRequest,
-	response *api.QueryDevicesResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryDevices", h.apiURL+QueryDevicesPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryAccountData(
-	ctx context.Context,
-	request *api.QueryAccountDataRequest,
-	response *api.QueryAccountDataResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryAccountData", h.apiURL+QueryAccountDataPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QuerySearchProfiles(
-	ctx context.Context,
-	request *api.QuerySearchProfilesRequest,
-	response *api.QuerySearchProfilesResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QuerySearchProfiles", h.apiURL+QuerySearchProfilesPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryOpenIDToken(
-	ctx context.Context,
-	request *api.QueryOpenIDTokenRequest,
-	response *api.QueryOpenIDTokenResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryOpenIDToken", h.apiURL+QueryOpenIDTokenPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformKeyBackup(
-	ctx context.Context,
-	request *api.PerformKeyBackupRequest,
-	response *api.PerformKeyBackupResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformKeyBackup", h.apiURL+PerformKeyBackupPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryKeyBackup(
-	ctx context.Context,
-	request *api.QueryKeyBackupRequest,
-	response *api.QueryKeyBackupResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryKeyBackup", h.apiURL+QueryKeyBackupPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryNotifications(
-	ctx context.Context,
-	request *api.QueryNotificationsRequest,
-	response *api.QueryNotificationsResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryNotifications", h.apiURL+QueryNotificationsPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformPusherSet(
-	ctx context.Context,
-	request *api.PerformPusherSetRequest,
-	response *struct{},
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformPusherSet", h.apiURL+PerformPusherSetPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformPusherDeletion(
-	ctx context.Context,
-	request *api.PerformPusherDeletionRequest,
-	response *struct{},
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformPusherDeletion", h.apiURL+PerformPusherDeletionPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryPushers(
-	ctx context.Context,
-	request *api.QueryPushersRequest,
-	response *api.QueryPushersResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryPushers", h.apiURL+QueryPushersPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformPushRulesPut(
-	ctx context.Context,
-	request *api.PerformPushRulesPutRequest,
-	response *struct{},
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformPushRulesPut", h.apiURL+PerformPushRulesPutPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryPushRules(
-	ctx context.Context,
-	request *api.QueryPushRulesRequest,
-	response *api.QueryPushRulesResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryPushRules", h.apiURL+QueryPushRulesPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) SetAvatarURL(
-	ctx context.Context,
-	request *api.PerformSetAvatarURLRequest,
-	response *api.PerformSetAvatarURLResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"SetAvatarURL", h.apiURL+PerformSetAvatarURLPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryNumericLocalpart(
-	ctx context.Context,
-	request *api.QueryNumericLocalpartRequest,
-	response *api.QueryNumericLocalpartResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryNumericLocalpart", h.apiURL+QueryNumericLocalpartPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryAccountAvailability(
-	ctx context.Context,
-	request *api.QueryAccountAvailabilityRequest,
-	response *api.QueryAccountAvailabilityResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryAccountAvailability", h.apiURL+QueryAccountAvailabilityPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryAccountByPassword(
-	ctx context.Context,
-	request *api.QueryAccountByPasswordRequest,
-	response *api.QueryAccountByPasswordResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryAccountByPassword", h.apiURL+QueryAccountByPasswordPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) SetDisplayName(
-	ctx context.Context,
-	request *api.PerformUpdateDisplayNameRequest,
-	response *api.PerformUpdateDisplayNameResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"SetDisplayName", h.apiURL+PerformSetDisplayNamePath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryLocalpartForThreePID(
-	ctx context.Context,
-	request *api.QueryLocalpartForThreePIDRequest,
-	response *api.QueryLocalpartForThreePIDResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryLocalpartForThreePID", h.apiURL+QueryLocalpartForThreePIDPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryThreePIDsForLocalpart(
-	ctx context.Context,
-	request *api.QueryThreePIDsForLocalpartRequest,
-	response *api.QueryThreePIDsForLocalpartResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryThreePIDsForLocalpart", h.apiURL+QueryThreePIDsForLocalpartPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformForgetThreePID(
-	ctx context.Context,
-	request *api.PerformForgetThreePIDRequest,
-	response *struct{},
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformForgetThreePID", h.apiURL+PerformForgetThreePIDPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformSaveThreePIDAssociation(
-	ctx context.Context,
-	request *api.PerformSaveThreePIDAssociationRequest,
-	response *struct{},
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformSaveThreePIDAssociation", h.apiURL+PerformSaveThreePIDAssociationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryAccountByLocalpart(
-	ctx context.Context,
-	req *api.QueryAccountByLocalpartRequest,
-	res *api.QueryAccountByLocalpartResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryAccountByLocalpart", h.apiURL+QueryAccountByLocalpartPath,
-		h.httpClient, ctx, req, res,
-	)
-}
diff --git a/userapi/inthttp/client_logintoken.go b/userapi/inthttp/client_logintoken.go
deleted file mode 100644
index 211b1b7a..00000000
--- a/userapi/inthttp/client_logintoken.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2021 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package inthttp
-
-import (
-	"context"
-
-	"github.com/matrix-org/dendrite/internal/httputil"
-	"github.com/matrix-org/dendrite/userapi/api"
-)
-
-const (
-	PerformLoginTokenCreationPath = "/userapi/performLoginTokenCreation"
-	PerformLoginTokenDeletionPath = "/userapi/performLoginTokenDeletion"
-	QueryLoginTokenPath           = "/userapi/queryLoginToken"
-)
-
-func (h *httpUserInternalAPI) PerformLoginTokenCreation(
-	ctx context.Context,
-	request *api.PerformLoginTokenCreationRequest,
-	response *api.PerformLoginTokenCreationResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformLoginTokenCreation", h.apiURL+PerformLoginTokenCreationPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) PerformLoginTokenDeletion(
-	ctx context.Context,
-	request *api.PerformLoginTokenDeletionRequest,
-	response *api.PerformLoginTokenDeletionResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"PerformLoginTokenDeletion", h.apiURL+PerformLoginTokenDeletionPath,
-		h.httpClient, ctx, request, response,
-	)
-}
-
-func (h *httpUserInternalAPI) QueryLoginToken(
-	ctx context.Context,
-	request *api.QueryLoginTokenRequest,
-	response *api.QueryLoginTokenResponse,
-) error {
-	return httputil.CallInternalRPCAPI(
-		"QueryLoginToken", h.apiURL+QueryLoginTokenPath,
-		h.httpClient, ctx, request, response,
-	)
-}
diff --git a/userapi/inthttp/server.go b/userapi/inthttp/server.go
deleted file mode 100644
index b40b507c..00000000
--- a/userapi/inthttp/server.go
+++ /dev/null
@@ -1,197 +0,0 @@
-// Copyright 2020 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package inthttp
-
-import (
-	"github.com/gorilla/mux"
-
-	"github.com/matrix-org/dendrite/internal/httputil"
-	"github.com/matrix-org/dendrite/userapi/api"
-)
-
-// nolint: gocyclo
-func AddRoutes(internalAPIMux *mux.Router, s api.UserInternalAPI, enableMetrics bool) {
-	addRoutesLoginToken(internalAPIMux, s, enableMetrics)
-
-	internalAPIMux.Handle(
-		PerformAccountCreationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformAccountCreation", enableMetrics, s.PerformAccountCreation),
-	)
-
-	internalAPIMux.Handle(
-		PerformPasswordUpdatePath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformPasswordUpdate", enableMetrics, s.PerformPasswordUpdate),
-	)
-
-	internalAPIMux.Handle(
-		PerformDeviceCreationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformDeviceCreation", enableMetrics, s.PerformDeviceCreation),
-	)
-
-	internalAPIMux.Handle(
-		PerformLastSeenUpdatePath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformLastSeenUpdate", enableMetrics, s.PerformLastSeenUpdate),
-	)
-
-	internalAPIMux.Handle(
-		PerformDeviceUpdatePath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformDeviceUpdate", enableMetrics, s.PerformDeviceUpdate),
-	)
-
-	internalAPIMux.Handle(
-		PerformDeviceDeletionPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformDeviceDeletion", enableMetrics, s.PerformDeviceDeletion),
-	)
-
-	internalAPIMux.Handle(
-		PerformAccountDeactivationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformAccountDeactivation", enableMetrics, s.PerformAccountDeactivation),
-	)
-
-	internalAPIMux.Handle(
-		PerformOpenIDTokenCreationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformOpenIDTokenCreation", enableMetrics, s.PerformOpenIDTokenCreation),
-	)
-
-	internalAPIMux.Handle(
-		QueryProfilePath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryProfile", enableMetrics, s.QueryProfile),
-	)
-
-	internalAPIMux.Handle(
-		QueryAccessTokenPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryAccessToken", enableMetrics, s.QueryAccessToken),
-	)
-
-	internalAPIMux.Handle(
-		QueryDevicesPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryDevices", enableMetrics, s.QueryDevices),
-	)
-
-	internalAPIMux.Handle(
-		QueryAccountDataPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryAccountData", enableMetrics, s.QueryAccountData),
-	)
-
-	internalAPIMux.Handle(
-		QueryDeviceInfosPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryDeviceInfos", enableMetrics, s.QueryDeviceInfos),
-	)
-
-	internalAPIMux.Handle(
-		QuerySearchProfilesPath,
-		httputil.MakeInternalRPCAPI("UserAPIQuerySearchProfiles", enableMetrics, s.QuerySearchProfiles),
-	)
-
-	internalAPIMux.Handle(
-		QueryOpenIDTokenPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryOpenIDToken", enableMetrics, s.QueryOpenIDToken),
-	)
-
-	internalAPIMux.Handle(
-		InputAccountDataPath,
-		httputil.MakeInternalRPCAPI("UserAPIInputAccountData", enableMetrics, s.InputAccountData),
-	)
-
-	internalAPIMux.Handle(
-		QueryKeyBackupPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryKeyBackup", enableMetrics, s.QueryKeyBackup),
-	)
-
-	internalAPIMux.Handle(
-		PerformKeyBackupPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformKeyBackup", enableMetrics, s.PerformKeyBackup),
-	)
-
-	internalAPIMux.Handle(
-		QueryNotificationsPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryNotifications", enableMetrics, s.QueryNotifications),
-	)
-
-	internalAPIMux.Handle(
-		PerformPusherSetPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformPusherSet", enableMetrics, s.PerformPusherSet),
-	)
-
-	internalAPIMux.Handle(
-		PerformPusherDeletionPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformPusherDeletion", enableMetrics, s.PerformPusherDeletion),
-	)
-
-	internalAPIMux.Handle(
-		QueryPushersPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryPushers", enableMetrics, s.QueryPushers),
-	)
-
-	internalAPIMux.Handle(
-		PerformPushRulesPutPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformPushRulesPut", enableMetrics, s.PerformPushRulesPut),
-	)
-
-	internalAPIMux.Handle(
-		QueryPushRulesPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryPushRules", enableMetrics, s.QueryPushRules),
-	)
-
-	internalAPIMux.Handle(
-		PerformSetAvatarURLPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformSetAvatarURL", enableMetrics, s.SetAvatarURL),
-	)
-
-	internalAPIMux.Handle(
-		QueryNumericLocalpartPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryNumericLocalpart", enableMetrics, s.QueryNumericLocalpart),
-	)
-
-	internalAPIMux.Handle(
-		QueryAccountAvailabilityPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryAccountAvailability", enableMetrics, s.QueryAccountAvailability),
-	)
-
-	internalAPIMux.Handle(
-		QueryAccountByPasswordPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryAccountByPassword", enableMetrics, s.QueryAccountByPassword),
-	)
-
-	internalAPIMux.Handle(
-		PerformSetDisplayNamePath,
-		httputil.MakeInternalRPCAPI("UserAPISetDisplayName", enableMetrics, s.SetDisplayName),
-	)
-
-	internalAPIMux.Handle(
-		QueryLocalpartForThreePIDPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryLocalpartForThreePID", enableMetrics, s.QueryLocalpartForThreePID),
-	)
-
-	internalAPIMux.Handle(
-		QueryThreePIDsForLocalpartPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryThreePIDsForLocalpart", enableMetrics, s.QueryThreePIDsForLocalpart),
-	)
-
-	internalAPIMux.Handle(
-		PerformForgetThreePIDPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformForgetThreePID", enableMetrics, s.PerformForgetThreePID),
-	)
-
-	internalAPIMux.Handle(
-		PerformSaveThreePIDAssociationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformSaveThreePIDAssociation", enableMetrics, s.PerformSaveThreePIDAssociation),
-	)
-
-	internalAPIMux.Handle(
-		QueryAccountByLocalpartPath,
-		httputil.MakeInternalRPCAPI("AccountByLocalpart", enableMetrics, s.QueryAccountByLocalpart),
-	)
-}
diff --git a/userapi/inthttp/server_logintoken.go b/userapi/inthttp/server_logintoken.go
deleted file mode 100644
index dc116428..00000000
--- a/userapi/inthttp/server_logintoken.go
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2021 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package inthttp
-
-import (
-	"github.com/gorilla/mux"
-
-	"github.com/matrix-org/dendrite/internal/httputil"
-	"github.com/matrix-org/dendrite/userapi/api"
-)
-
-// addRoutesLoginToken adds routes for all login token API calls.
-func addRoutesLoginToken(internalAPIMux *mux.Router, s api.UserInternalAPI, enableMetrics bool) {
-	internalAPIMux.Handle(
-		PerformLoginTokenCreationPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformLoginTokenCreation", enableMetrics, s.PerformLoginTokenCreation),
-	)
-
-	internalAPIMux.Handle(
-		PerformLoginTokenDeletionPath,
-		httputil.MakeInternalRPCAPI("UserAPIPerformLoginTokenDeletion", enableMetrics, s.PerformLoginTokenDeletion),
-	)
-
-	internalAPIMux.Handle(
-		QueryLoginTokenPath,
-		httputil.MakeInternalRPCAPI("UserAPIQueryLoginToken", enableMetrics, s.QueryLoginToken),
-	)
-}
diff --git a/userapi/userapi.go b/userapi/userapi.go
index 183ca312..2dd81d75 100644
--- a/userapi/userapi.go
+++ b/userapi/userapi.go
@@ -17,7 +17,6 @@ package userapi
 import (
 	"time"
 
-	"github.com/gorilla/mux"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/internal/pushgateway"
@@ -29,18 +28,11 @@ import (
 	"github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/dendrite/userapi/consumers"
 	"github.com/matrix-org/dendrite/userapi/internal"
-	"github.com/matrix-org/dendrite/userapi/inthttp"
 	"github.com/matrix-org/dendrite/userapi/producers"
 	"github.com/matrix-org/dendrite/userapi/storage"
 	"github.com/matrix-org/dendrite/userapi/util"
 )
 
-// AddInternalRoutes registers HTTP handlers for the internal API. Invokes functions
-// on the given input API.
-func AddInternalRoutes(router *mux.Router, intAPI api.UserInternalAPI, enableMetrics bool) {
-	inthttp.AddRoutes(router, intAPI, enableMetrics)
-}
-
 // NewInternalAPI returns a concerete implementation of the internal API. Callers
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
diff --git a/userapi/userapi_test.go b/userapi/userapi_test.go
index dada56de..68d08c2f 100644
--- a/userapi/userapi_test.go
+++ b/userapi/userapi_test.go
@@ -17,23 +17,18 @@ package userapi_test
 import (
 	"context"
 	"fmt"
-	"net/http"
 	"reflect"
 	"testing"
 	"time"
 
-	"github.com/gorilla/mux"
 	"github.com/matrix-org/gomatrixserverlib"
 	"golang.org/x/crypto/bcrypt"
 
-	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
-	"github.com/matrix-org/dendrite/userapi"
 	"github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/dendrite/userapi/internal"
-	"github.com/matrix-org/dendrite/userapi/inthttp"
 	"github.com/matrix-org/dendrite/userapi/storage"
 )
 
@@ -142,20 +137,7 @@ func TestQueryProfile(t *testing.T) {
 			t.Fatalf("failed to set display name: %s", err)
 		}
 
-		t.Run("HTTP API", func(t *testing.T) {
-			router := mux.NewRouter().PathPrefix(httputil.InternalPathPrefix).Subrouter()
-			userapi.AddInternalRoutes(router, userAPI, false)
-			apiURL, cancel := test.ListenAndServe(t, router, false)
-			defer cancel()
-			httpAPI, err := inthttp.NewUserAPIClient(apiURL, &http.Client{})
-			if err != nil {
-				t.Fatalf("failed to create HTTP client")
-			}
-			runCases(httpAPI, true)
-		})
-		t.Run("Monolith", func(t *testing.T) {
-			runCases(userAPI, false)
-		})
+		runCases(userAPI, false)
 	})
 }
 
@@ -347,24 +329,6 @@ func TestQueryAccountByLocalpart(t *testing.T) {
 			}
 		}
 
-		t.Run("Monolith", func(t *testing.T) {
-			testCases(t, intAPI)
-			// also test tracing
-			testCases(t, &api.UserInternalAPITrace{Impl: intAPI})
-		})
-
-		t.Run("HTTP API", func(t *testing.T) {
-			router := mux.NewRouter().PathPrefix(httputil.InternalPathPrefix).Subrouter()
-			userapi.AddInternalRoutes(router, intAPI, false)
-			apiURL, cancel := test.ListenAndServe(t, router, false)
-			defer cancel()
-
-			userHTTPApi, err := inthttp.NewUserAPIClient(apiURL, &http.Client{Timeout: time.Second * 5})
-			if err != nil {
-				t.Fatalf("failed to create HTTP client: %s", err)
-			}
-			testCases(t, userHTTPApi)
-
-		})
+		testCases(t, intAPI)
 	})
 }
diff --git a/userapi/util/phonehomestats.go b/userapi/util/phonehomestats.go
index 42c8f5d7..21035e04 100644
--- a/userapi/util/phonehomestats.go
+++ b/userapi/util/phonehomestats.go
@@ -55,7 +55,7 @@ func StartPhoneHomeCollector(startTime time.Time, cfg *config.Dendrite, statsDB
 		serverName: cfg.Global.ServerName,
 		cfg:        cfg,
 		db:         statsDB,
-		isMonolith: cfg.IsMonolith,
+		isMonolith: true,
 		client: &http.Client{
 			Timeout:   time.Second * 30,
 			Transport: http.DefaultTransport,