diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
deleted file mode 100644
index 0c8800006816..000000000000
--- a/.devcontainer/devcontainer.json
+++ /dev/null
@@ -1,27 +0,0 @@
-// For format details, see https://aka.ms/devcontainer.json.
-{
-    "name": "Knative Serving",
-    "image": "gcr.io/knative-tests/test-infra/prow-tests:latest",
-    "privileged": true,
-    "onCreateCommand": "echo 'source ${HOME}/.gvm/scripts/gvm' >> ~/.bashrc",
-
-    // Creates a local container registry, a Kind cluster, and deploys Knative Serving and Knative Ingress
-    // To explore the setup logs, use the "Codespaces: View Creation Log" command in the Command Palette (Cmd/Ctrl + Shift + P or F1)
-    "postCreateCommand": "bash .devcontainer/setup.sh",
-    "postStartCommand": "bash .devcontainer/docker-start.sh",
-
-    "forwardPorts": [
-        5001
-    ],
-    "containerEnv": {
-        "KO_DOCKER_REPO": "kind.local"
-    },
-
-    "mounts": [
-        {
-            "source": "dind-var-lib-docker",
-            "target": "/docker-graph",
-            "type": "volume"
-        }
-    ]
-}
diff --git a/.devcontainer/docker-start.sh b/.devcontainer/docker-start.sh
deleted file mode 100755
index f4357955c1b7..000000000000
--- a/.devcontainer/docker-start.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2023 The Knative Authors
-#
-# 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.
-
-set -eux
-
-if ! docker info > /dev/null 2>&1; then
-    echo "Starting docker..."
-    service docker start
-fi
diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
deleted file mode 100755
index 9a35e2fad315..000000000000
--- a/.devcontainer/setup.sh
+++ /dev/null
@@ -1,117 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2023 The Knative Authors
-#
-# 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.
-
-set -eux
-
-.devcontainer/docker-start.sh
-
-until docker info > /dev/null 2>&1 ; do
-  echo "Waiting for docker to start..."
-  sleep 0.1
-done
-
-echo "Setting up local container registry..."
-REGISTRY_NAME='registry.local'
-REGISTRY_PORT='5001'
-
-if [ "$(docker inspect -f '{{.State.Running}}' "${REGISTRY_NAME}" 2>/dev/null || true)" != 'true' ]; then
-  docker run \
-    -d --restart=always -p "127.0.0.1:${REGISTRY_PORT}:5000" --name "${REGISTRY_NAME}" \
-    registry:2
-fi
-
-if kind get clusters | grep kind ; then
-  echo "KinD cluster already exists, skipping..."
-  exit 0
-fi
-
-echo "Creating KinD cluster..."
-cat <<EOF | kind create cluster --config=-
-
-kind: Cluster
-apiVersion: kind.x-k8s.io/v1alpha4
-containerdConfigPatches:
-- |-
-  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${REGISTRY_PORT}"]
-    endpoint = ["http://${REGISTRY_NAME}:5000"]
-EOF
-
-echo "Connecting registry to KinD cluster..."
-if [ "$(docker inspect -f='{{json .NetworkSettings.Networks.kind}}' "${REGISTRY_NAME}")" = 'null' ]; then
-  docker network connect "kind" "${REGISTRY_NAME}"
-fi
-
-# Document the local registry
-# https://github.com/kubernetes/enhancements/tree/master/keps/sig-cluster-lifecycle/generic/1755-communicating-a-local-registry
-cat <<EOF | kubectl apply -f -
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: local-registry-hosting
-  namespace: kube-public
-data:
-  localRegistryHosting.v1: |
-    host: "localhost:${REGISTRY_PORT}"
-    help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
-EOF
-
-echo "Installs metal-lb..."
-curl https://raw.githubusercontent.com/metallb/metallb/v0.13.5/config/manifests/metallb-native.yaml -k |
-  sed '0,/args:/s//args:\n        - --webhook-mode=disabled/' |
-  sed '/apiVersion: admissionregistration/,$d' |
-  kubectl apply -f -
-
-# Add Layer 2 config
-network=$(docker network inspect kind -f "{{(index .IPAM.Config 0).Subnet}}" | cut -d '.' -f1,2)
-echo $network
-
-cat <<EOF | kubectl apply -f -
-apiVersion: metallb.io/v1beta1
-kind: IPAddressPool
-metadata:
-  name: first-pool
-  namespace: metallb-system
-spec:
-  addresses:
-  - $network.255.1-$network.255.250
----
-apiVersion: metallb.io/v1beta1
-kind: L2Advertisement
-metadata:
-  name: example
-  namespace: metallb-system
-EOF
-
-echo "Deploying cert-manager..."
-kubectl apply -f ./third_party/cert-manager-latest/cert-manager.yaml
-kubectl wait --for=condition=Established --all crd
-kubectl wait --for=condition=Available -n cert-manager --all deployments
-
-echo "Deploying Knative Serving..."
-ko apply --selector knative.dev/crd-install=true -Rf config/core/
-kubectl wait --for=condition=Established --all crd
-ko apply -Rf config/core/
-
-echo "Setting up sslip.io domain name"
-ko delete -f config/post-install/default-domain.yaml --ignore-not-found
-ko apply -f config/post-install/default-domain.yaml
-
-echo "Deploying Knative ingress with Kourier..."
-kubectl apply -f ./third_party/kourier-latest/kourier.yaml
-kubectl patch configmap/config-network \
-  -n knative-serving \
-  --type merge \
-  -p '{"data":{"ingress.class":"kourier.ingress.networking.knative.dev"}}'
diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index dd4f13347239..5e16a7c9ffab 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -23,18 +23,6 @@ Start by creating [a GitHub account](https://github.com/join), then set up
 
 ### Install requirements
 
-#### Getting started with GitHub Codespaces
-
-To get started, create a codespace for this repository by clicking this 👇
-
-[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://github.com/codespaces/new?hide_repo_select=true&ref=main&repo=118828329)
-
-A codespace will open in a web-based version of Visual Studio Code. The [dev container](.devcontainer/devcontainer.json) is fully configured with software needed for this project. It creates a local container registry, a Kind cluster and deploys Knative Serving and Knative Ingress. If you use a codespace, then you can directly skip to the [Iterating](#Iterating) section of this document.
-
-**Note**: Dev containers is an open spec which is supported by [GitHub Codespaces](https://github.com/codespaces) and [other tools](https://containers.dev/supporting).
-
-#### Local Setup
-
 You must install these tools:
 
 1. [`go`](https://golang.org/doc/install): The language `Knative Serving` is