diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 0c2eb369d4..2a0cd0aced 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -369,8 +369,6 @@ func geth(ctx *cli.Context) error {
 // it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
 // miner.
 func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isConsole bool) {
-	debug.Memsize.Add("node", stack)
-
 	// Start up the node itself
 	utils.StartNode(ctx, stack, isConsole)
 
diff --git a/go.mod b/go.mod
index 585243ce1c..aef076b567 100644
--- a/go.mod
+++ b/go.mod
@@ -25,7 +25,6 @@ require (
 	github.com/ethereum/c-kzg-4844 v0.2.0
 	github.com/fatih/color v1.15.0
 	github.com/fjl/gencodec v0.0.0-20230517082657-f9840df7b83e
-	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5
 	github.com/flashbots/go-boost-utils v1.7.0
 	github.com/flashbots/go-utils v0.4.13-0.20230919094729-c049be707f79
 	github.com/fsnotify/fsnotify v1.6.0
diff --git a/go.sum b/go.sum
index 06fb244af2..3cb588f6a0 100644
--- a/go.sum
+++ b/go.sum
@@ -152,8 +152,6 @@ github.com/ferranbt/fastssz v0.1.3 h1:ZI+z3JH05h4kgmFXdHuR1aWYsgrg7o+Fw7/NCzM16M
 github.com/ferranbt/fastssz v0.1.3/go.mod h1:0Y9TEd/9XuFlh7mskMPfXiI2Dkw4Ddg9EyXt1W7MRvE=
 github.com/fjl/gencodec v0.0.0-20230517082657-f9840df7b83e h1:bBLctRc7kr01YGvaDfgLbTwjFNW5jdp5y5rj8XXBHfY=
 github.com/fjl/gencodec v0.0.0-20230517082657-f9840df7b83e/go.mod h1:AzA8Lj6YtixmJWL+wkKoBGsLWy9gFrAzi4g+5bCKwpY=
-github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
-github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
 github.com/flashbots/go-boost-utils v1.7.0 h1:BaLeGl71nD/ro0aUzCYqHc8PiqIIaErLwcgMOQWoBZY=
 github.com/flashbots/go-boost-utils v1.7.0/go.mod h1:1Y0rD/e57KZZIRgkCcXRvvztW+v+eZHnWu25wxtGstU=
 github.com/flashbots/go-utils v0.4.13-0.20230919094729-c049be707f79 h1:y2obQCUIvqKISLxWxC0Tz8Oc618vA3q1xmn9GwElvfI=
diff --git a/internal/debug/flags.go b/internal/debug/flags.go
index d425a17db4..c434e7d702 100644
--- a/internal/debug/flags.go
+++ b/internal/debug/flags.go
@@ -29,15 +29,12 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/metrics/exp"
-	"github.com/fjl/memsize/memsizeui"
 	"github.com/mattn/go-colorable"
 	"github.com/mattn/go-isatty"
 	"github.com/urfave/cli/v2"
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
-var Memsize memsizeui.Handler
-
 var (
 	verbosityFlag = &cli.IntFlag{
 		Name:     "verbosity",
@@ -325,7 +322,6 @@ func StartPProf(address string, withMetrics bool) {
 	if withMetrics {
 		exp.Exp(metrics.DefaultRegistry)
 	}
-	http.Handle("/memsize/", http.StripPrefix("/memsize", &Memsize))
 	log.Info("Starting pprof server", "addr", fmt.Sprintf("http://%s/debug/pprof", address))
 	go func() {
 		if err := http.ListenAndServe(address, nil); err != nil {