diff --git a/appservice/routing/routing.go b/appservice/routing/routing.go
index f0b8461dc..3c19c8401 100644
--- a/appservice/routing/routing.go
+++ b/appservice/routing/routing.go
@@ -31,6 +31,10 @@ const pathPrefixApp = "/_matrix/app/r0"
 
 // Setup registers HTTP handlers with the given ServeMux. It also supplies the given http.Client
 // to clients which need to make outbound HTTP requests.
+//
+// Due to Setup being used to call many other functions, a gocyclo nolint is
+// applied:
+// nolint: gocyclo
 func Setup(
 	apiMux *mux.Router, cfg config.Dendrite, // nolint: unparam
 	queryAPI api.RoomserverQueryAPI, aliasAPI api.RoomserverAliasAPI, // nolint: unparam
diff --git a/mediaapi/routing/routing.go b/mediaapi/routing/routing.go
index 323834efd..5324dcba4 100644
--- a/mediaapi/routing/routing.go
+++ b/mediaapi/routing/routing.go
@@ -34,6 +34,10 @@ import (
 const pathPrefixR0 = "/_matrix/media/r0"
 
 // Setup registers the media API HTTP handlers
+//
+// Due to Setup being used to call many other functions, a gocyclo nolint is
+// applied:
+// nolint: gocyclo
 func Setup(
 	apiMux *mux.Router,
 	cfg *config.Dendrite,
diff --git a/publicroomsapi/routing/routing.go b/publicroomsapi/routing/routing.go
index 279a1b059..66aac8f0a 100644
--- a/publicroomsapi/routing/routing.go
+++ b/publicroomsapi/routing/routing.go
@@ -30,6 +30,10 @@ import (
 const pathPrefixR0 = "/_matrix/client/r0"
 
 // Setup configures the given mux with publicroomsapi server listeners
+//
+// Due to Setup being used to call many other functions, a gocyclo nolint is
+// applied:
+// nolint: gocyclo
 func Setup(apiMux *mux.Router, deviceDB *devices.Database, publicRoomsDB *storage.PublicRoomsServerDatabase) {
 	r0mux := apiMux.PathPrefix(pathPrefixR0).Subrouter()
 
diff --git a/syncapi/routing/routing.go b/syncapi/routing/routing.go
index fcc96512f..66aa022e9 100644
--- a/syncapi/routing/routing.go
+++ b/syncapi/routing/routing.go
@@ -30,6 +30,10 @@ import (
 const pathPrefixR0 = "/_matrix/client/r0"
 
 // Setup configures the given mux with sync-server listeners
+//
+// Due to Setup being used to call many other functions, a gocyclo nolint is
+// applied:
+// nolint: gocyclo
 func Setup(apiMux *mux.Router, srp *sync.RequestPool, syncDB *storage.SyncServerDatabase, deviceDB *devices.Database) {
 	r0mux := apiMux.PathPrefix(pathPrefixR0).Subrouter()