Actually, we don't use it much

We use only one metric from this package and this metric is not really
important to us.

go.mod

@@ -12,10 +12,8 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.18.0
 	github.com/purini-to/zapmw v1.1.0
-	github.com/slok/go-http-metrics v0.11.0
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/zap v1.26.0
-	golang.org/x/sync v0.6.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 

go.sum

@@ -71,10 +71,6 @@ github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjR
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
 github.com/shirou/gopsutil v3.21.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
-github.com/slok/go-http-metrics v0.11.0 h1:ABJUpekCZSkQT1wQrFvS4kGbhea/w6ndFJaWJeh3zL0=
-github.com/slok/go-http-metrics v0.11.0/go.mod h1:ZGKeYG1ET6TEJpQx18BqAJAvxw9jBAZXCHU7bWQqqAc=
-github.com/stretchr/objx v0.5.1 h1:4VhoImhV/Bm0ToFkXFi8hXNXwpDRZ/ynw3amt82mzq0=
-github.com/stretchr/objx v0.5.1/go.mod h1:/iHQpkQwBD6DLUmQ4pE+s1TXdob1mORJ4/UFdrifcy0=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/supranational/blst v0.3.11 h1:LyU6FolezeWAhvQk0k6O/d49jqgO52MSDDfYgbeoEm4=

internal/rpcgateway/rpcgateway.go

@@ -13,9 +13,6 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/pkg/errors"
 	"github.com/purini-to/zapmw"
-	prometheusMetrics "github.com/slok/go-http-metrics/metrics/prometheus"
-	"github.com/slok/go-http-metrics/middleware"
-	"github.com/slok/go-http-metrics/middleware/std"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 	"gopkg.in/yaml.v2"
@@ -78,12 +75,6 @@ func NewRPCGateway(config RPCGatewayConfig) *RPCGateway {
 
 	r := mux.NewRouter()
 
-	r.Use(std.HandlerProvider("",
-		middleware.New(middleware.Config{
-			Recorder: prometheusMetrics.NewRecorder(prometheusMetrics.Config{}),
-		})),
-	)
-
 	r.Use(
 		zapmw.WithZap(zap.L()),
 		zapmw.Request(zapcore.InfoLevel, "request"),