diff --git a/charmcraft/application/commands/init.py b/charmcraft/application/commands/init.py
index c6c39650c..dcce13e21 100644
--- a/charmcraft/application/commands/init.py
+++ b/charmcraft/application/commands/init.py
@@ -83,15 +83,8 @@
     ├── tests
     │   ├── integration
     │   │   └── test_charm.py      - Integration tests
-    │   ├── spread
-    │   │   ├── lib
-    │   │   │   └── test-helpers.sh
-    │   │   └── general
-    │   │       └── integration
-    │   │           └── task.yaml  - Run integration tests in spread back-end
     │   └── unit
     │       └── test_charm.py      - Unit tests
-    ├── spread.yaml                - Spread testing configuration file
     └── tox.ini                    - Configuration for tox, the tool to run all tests
 
 You will need to edit at least charmcraft.yaml and README.md.
diff --git a/charmcraft/templates/init-kubernetes/spread.yaml.j2 b/charmcraft/templates/init-kubernetes/spread.yaml.j2
deleted file mode 100644
index a92e0e55b..000000000
--- a/charmcraft/templates/init-kubernetes/spread.yaml.j2
+++ /dev/null
@@ -1,158 +0,0 @@
-project: {{ name }}-k8s-tests
-
-environment:
-  PROVIDER: microk8s
-  CHARMCRAFT_CHANNEL: latest/stable
-  JUJU_CHANNEL: 3/stable
-  LXD_CHANNEL: latest/stable
-  MICROK8S_CHANNEL: 1.28-strict/stable
-  MICROK8S_ADDONS: hostpath-storage
-
-  JUJU_BOOTSTRAP_OPTIONS: --model-default test-mode=true --model-default automatically-retry-hooks=false --model-default
-  JUJU_EXTRA_BOOTSTRAP_OPTIONS: ""
-  JUJU_BOOTSTRAP_CONSTRAINTS: ""
-
-  # important to ensure adhoc and linode/qemu behave the same
-  SUDO_USER: ""
-  SUDO_UID: ""
-
-  LANG: "C.UTF-8"
-  LANGUAGE: "en"
-
-  PROJECT_PATH: /home/spread/proj
-  CRAFT_TEST_LIB_PATH: /home/spread/proj/tests/spread/lib
-
-backends:
-  multipass:
-    type: adhoc
-    allocate: |
-      # Mitigate issues found when launching multiple mutipass instances
-      # concurrently. See https://github.com/canonical/multipass/issues/3336
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-
-      mkdir -p "$HOME/.spread"
-      export counter_file="$HOME/.spread/multipass-count"
-
-      # Sequential variable for unique instance names
-      instance_num=$(flock -x $counter_file bash -c '
-        [ -s $counter_file ] || echo 0 > $counter_file
-        num=$(< $counter_file)
-        echo $num
-        echo $(( $num + 1 )) > $counter_file')
-
-      multipass_image=$(echo "${SPREAD_SYSTEM}" | sed -e s/ubuntu-// -e s/-64//)
-
-      system=$(echo "${SPREAD_SYSTEM}" | tr . -)
-      instance_name="spread-${SPREAD_BACKEND}-${instance_num}-${system}"
-
-      multipass launch -vv --cpus 2 --disk 20G --memory 4G --name "${instance_name}" \
-        --cloud-init tests/spread/lib/cloud-config.yaml "${multipass_image}"
-
-      # Get the IP from the instance
-      ip=$(multipass info --format csv "$instance_name" | tail -1 | cut -d\, -f3)
-      ADDRESS "$ip"
-
-    discard: |
-      instance_name=$(multipass list --format csv | grep $SPREAD_SYSTEM_ADDRESS | cut -f1 -d\,)
-      multipass delete --purge "${instance_name}"
-
-    systems:
-      - ubuntu-24.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-22.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-20.04:
-          username: spread
-          password: spread
-          workers: 1
-
-  github-ci:
-    type: adhoc
-
-    allocate: |
-      echo "Allocating ad-hoc $SPREAD_SYSTEM"
-      if [ -z "${GITHUB_RUN_ID:-}" ]; then
-        FATAL "this back-end only works inside GitHub CI"
-        exit 1
-      fi
-      echo 'ubuntu ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/99-spread-users
-      ADDRESS localhost:22
-
-    discard: |
-      echo "Discarding ad-hoc $SPREAD_SYSTEM"
-
-    systems:
-      - ubuntu-22.04-amd64:
-          username: ubuntu
-          password: ubuntu
-          workers: 1
-
-
-suites:
-  tests/spread/general/:
-    summary: Charm functionality tests
-
-    systems:
-      - ubuntu-22.04*
-      - ubuntu-24.04*
-
-    environment:
-      CHARMCRAFT_CHANNEL/charmcraft_current: latest/stable
-      # CHARMCRAFT_CHANNEL/charmcraft_next: latest/candidate
-
-    prepare: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      apt update -y
-      apt install -y python3-pip
-      pip3 install tox
-
-      install_lxd
-      install_charmcraft
-      install_juju
-      install_microk8s
-
-      bootstrap_juju
-
-      juju add-model testing
-
-    restore: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      rm -f "$PROJECT_PATH"/*.charm
-      charmcraft clean -p "$PROJECT_PATH"
-
-      restore_juju
-      restore_charmcraft
-      restore_microk8s
-      restore_lxd
-
-exclude:
-  - .git
-  - .tox
-
-path: /home/spread/proj
-
-prepare: |
-  snap refresh --hold
-
-  if systemctl is-enabled unattended-upgrades.service; then
-    systemctl stop unattended-upgrades.service
-    systemctl mask unattended-upgrades.service
-  fi
-
-restore: |
-  apt autoremove -y --purge
-  rm -Rf "$PROJECT_PATH"
-  mkdir -p "$PROJECT_PATH"
-
-
-kill-timeout: 1h
diff --git a/charmcraft/templates/init-kubernetes/tests/spread/general/integration/task.yaml.j2 b/charmcraft/templates/init-kubernetes/tests/spread/general/integration/task.yaml.j2
deleted file mode 100644
index 8440186b5..000000000
--- a/charmcraft/templates/init-kubernetes/tests/spread/general/integration/task.yaml.j2
+++ /dev/null
@@ -1,4 +0,0 @@
-summary: Run the charm integration test
-
-execute: |
-  tox -e integration
diff --git a/charmcraft/templates/init-kubernetes/tests/spread/lib/cloud-config.yaml.j2 b/charmcraft/templates/init-kubernetes/tests/spread/lib/cloud-config.yaml.j2
deleted file mode 100644
index 29618c66b..000000000
--- a/charmcraft/templates/init-kubernetes/tests/spread/lib/cloud-config.yaml.j2
+++ /dev/null
@@ -1,10 +0,0 @@
-#cloud-config
-
-ssh_pwauth: true
-
-users:
-  - default
-  - name: spread
-    plain_text_passwd: spread
-    lock_passwd: false
-    sudo: ALL=(ALL) NOPASSWD:ALL
diff --git a/charmcraft/templates/init-kubernetes/tests/spread/lib/test-helpers.sh.j2 b/charmcraft/templates/init-kubernetes/tests/spread/lib/test-helpers.sh.j2
deleted file mode 100644
index 544ac30c7..000000000
--- a/charmcraft/templates/init-kubernetes/tests/spread/lib/test-helpers.sh.j2
+++ /dev/null
@@ -1,86 +0,0 @@
-
-export PATH=/snap/bin:$PROJECT_PATH/tests/spread/lib/tools:$PATH
-export CONTROLLER_NAME="craft-test-$PROVIDER"
-
-
-install_lxd() {
-    snap install lxd --channel "$LXD_CHANNEL"
-    snap refresh lxd --channel "$LXD_CHANNEL"
-    lxd waitready
-    lxd init --auto
-    chmod a+wr /var/snap/lxd/common/lxd/unix.socket
-    lxc network set lxdbr0 ipv6.address none
-    usermod -a -G lxd "$USER"
-
-    # Work-around clash between docker and lxd on jammy
-    # https://github.com/docker/for-linux/issues/1034
-    iptables -F FORWARD
-    iptables -P FORWARD ACCEPT
-}
-
-
-install_microk8s() {
-    snap install microk8s --channel "$MICROK8S_CHANNEL"
-    snap refresh microk8s --channel "$MICROK8S_CHANNEL"
-    microk8s status --wait-ready
-
-    if [ ! -z "$MICROK8S_ADDONS" ]; then
-        microk8s enable $MICROK8S_ADDONS
-    fi
-
-    local version=$(snap list microk8s | grep microk8s | awk '{ print $2 }')
-
-    # workarounds for https://bugs.launchpad.net/juju/+bug/1937282
-    retry microk8s kubectl -n kube-system rollout status deployment/coredns
-    retry microk8s kubectl -n kube-system rollout status deployment/hostpath-provisioner
-
-    retry microk8s kubectl auth can-i create pods
-}
-
-
-install_charmcraft() {
-    snap install charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-    snap refresh charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-}
-
-
-install_juju() {
-    snap install juju --classic --channel "$JUJU_CHANNEL"
-    snap refresh juju --classic --channel "$JUJU_CHANNEL"
-    mkdir -p "$HOME"/.local/share/juju
-    snap install juju-crashdump --classic
-}
-
-
-bootstrap_juju() {
-    juju bootstrap --verbose "$PROVIDER" "$CONTROLLER_NAME" \
-      $JUJU_BOOTSTRAP_OPTIONS $JUJU_EXTRA_BOOTSTRAP_OPTIONS \
-      --bootstrap-constraints=$JUJU_BOOTSTRAP_CONSTRAINTS
-}
-
-
-restore_charmcraft() {
-    snap remove --purge charmcraft
-}
-
-
-restore_lxd() {
-    snap stop lxd
-    snap remove --purge lxd
-}
-
-
-restore_microk8s() {
-    snap stop microk8s
-    snap remove --purge microk8s
-}
-
-
-restore_juju() {
-    juju controllers --refresh ||:
-    juju destroy-controller -v --no-prompt --show-log \
-       --destroy-storage --destroy-all-models "$CONTROLLER_NAME"
-    snap stop juju
-    snap remove --purge juju
-    snap remove --purge juju-crashdump
-}
diff --git a/charmcraft/templates/init-kubernetes/tests/spread/lib/tools/retry.j2 b/charmcraft/templates/init-kubernetes/tests/spread/lib/tools/retry.j2
deleted file mode 100755
index 233ad372a..000000000
--- a/charmcraft/templates/init-kubernetes/tests/spread/lib/tools/retry.j2
+++ /dev/null
@@ -1,158 +0,0 @@
-#!/usr/bin/env python3
-
-from __future__ import annotations
-
-import argparse
-import itertools
-import os
-import subprocess
-import sys
-import time
-
-
-def envpair(s: str) -> str:
-    if not "=" in s:
-        raise argparse.ArgumentTypeError(
-            "environment variables expected format is 'KEY=VAL' got '{}'".format(s)
-        )
-    return s
-
-
-def _make_parser() -> argparse.ArgumentParser:
-    parser = argparse.ArgumentParser(
-        description="""
-Retry executes COMMAND at most N times, waiting for SECONDS between each
-attempt. On failure the exit code from the final attempt is returned.
-"""
-    )
-    parser.add_argument(
-        "-n",
-        "--attempts",
-        metavar="N",
-        type=int,
-        default=10,
-        help="number of attempts (default %(default)s)",
-    )
-    parser.add_argument(
-        "--wait",
-        metavar="SECONDS",
-        type=float,
-        default=5,
-        help="grace period between attempts (default %(default)ss)",
-    )
-    parser.add_argument(
-        "--env",
-        type=envpair,
-        metavar="KEY=VAL",
-        action="append",
-        default=[],
-        help="environment variable to use with format KEY=VALUE (no default)",
-    )
-    parser.add_argument(
-        "--maxmins",
-        metavar="MINUTES",
-        type=float,
-        default=0,
-        help="number of minutes after which to give up (no default, if set attempts is ignored)",
-    )
-    parser.add_argument(
-        "--expect-rc",
-        metavar="RETCODE",
-        type=int,
-        default=0,
-        help="the expected return code to consider the command execution successful (default 0)",
-    )
-    parser.add_argument(
-        "--quiet",
-        dest="verbose",
-        action="store_false",
-        default=True,
-        help="refrain from printing any output",
-    )
-    parser.add_argument("cmd", metavar="COMMAND", nargs="...", help="command to execute")
-    return parser
-
-
-def get_env(env: list[str]) -> dict[str, str]:
-    new_env = os.environ.copy()
-    maxsplit = 1  # no keyword support for str.split() in py2
-    for key, val in [s.split("=", maxsplit) for s in env]:
-        new_env[key] = val
-    return new_env
-
-
-def run_cmd(
-    cmd: list[str],
-    n: int,
-    wait: float,
-    maxmins: float,
-    verbose: bool,
-    env: list[str],
-    expect_rc: bool,
-) -> int:
-    if maxmins != 0:
-        attempts = itertools.count(1)
-        t0 = time.time()
-        after = "{} minutes".format(maxmins)
-        of_attempts_suffix = ""
-    else:
-        attempts = range(1, n + 1)
-        after = "{} attempts".format(n)
-        of_attempts_suffix = " of {}".format(n)
-    retcode = 0
-    i = 0
-    new_env = get_env(env)
-    for i in attempts:
-        retcode = subprocess.call(cmd, env=new_env)
-        if retcode == expect_rc:
-            return 0
-        if verbose:
-            print(
-                f"retry: command {' '.join(cmd)} unexpected code {retcode}",
-                file=sys.stderr,
-            )
-        if maxmins != 0:
-            elapsed = (time.time() - t0) / 60
-            if elapsed > maxmins:
-                break
-        if i < n or maxmins != 0:
-            if verbose:
-                print(
-                    f"retry: next attempt in {wait} second(s) (attempt {i}{of_attempts_suffix})",
-                    file=sys.stderr,
-                )
-            time.sleep(wait)
-
-    if verbose and i > 1:
-        print(
-            f"retry: command {' '.join(cmd)} keeps failing after {after}",
-            file=sys.stderr,
-        )
-    return retcode
-
-
-def main() -> None:
-    parser = _make_parser()
-    ns = parser.parse_args()
-    # The command cannot be empty but it is difficult to express in argparse itself.
-    if len(ns.cmd) == 0:
-        parser.print_usage()
-        parser.exit(0)
-    # Return the last exit code as the exit code of this process.
-    try:
-        retcode = run_cmd(
-            ns.cmd, ns.attempts, ns.wait, ns.maxmins, ns.verbose, ns.env, ns.expect_rc
-        )
-    except OSError as exc:
-        if ns.verbose:
-            print(
-                "retry: cannot execute command {}: {}".format(" ".join(ns.cmd), exc),
-                file=sys.stderr,
-            )
-        raise SystemExit(1)
-    else:
-        raise SystemExit(retcode)
-
-
-if __name__ == "__main__":
-    main()
diff --git a/charmcraft/templates/init-machine/spread.yaml.j2 b/charmcraft/templates/init-machine/spread.yaml.j2
deleted file mode 100644
index 0f6f91651..000000000
--- a/charmcraft/templates/init-machine/spread.yaml.j2
+++ /dev/null
@@ -1,153 +0,0 @@
-project: {{ name }}-tests
-
-environment:
-  PROVIDER: lxd
-  CHARMCRAFT_CHANNEL: latest/stable
-  JUJU_CHANNEL: 3/stable
-  LXD_CHANNEL: latest/stable
-
-  JUJU_BOOTSTRAP_OPTIONS: --model-default test-mode=true --model-default automatically-retry-hooks=false --model-default
-  JUJU_EXTRA_BOOTSTRAP_OPTIONS: ""
-  JUJU_BOOTSTRAP_CONSTRAINTS: ""
-
-  # important to ensure adhoc and linode/qemu behave the same
-  SUDO_USER: ""
-  SUDO_UID: ""
-
-  LANG: "C.UTF-8"
-  LANGUAGE: "en"
-
-  PROJECT_PATH: /home/spread/proj
-  CRAFT_TEST_LIB_PATH: /home/spread/proj/tests/spread/lib
-
-backends:
-  multipass:
-    type: adhoc
-    allocate: |
-      # Mitigate issues found when launching multiple mutipass instances
-      # concurrently. See https://github.com/canonical/multipass/issues/3336
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-
-      mkdir -p "$HOME/.spread"
-      export counter_file="$HOME/.spread/multipass-count"
-
-      # Sequential variable for unique instance names
-      instance_num=$(flock -x $counter_file bash -c '
-        [ -s $counter_file ] || echo 0 > $counter_file
-        num=$(< $counter_file)
-        echo $num
-        echo $(( $num + 1 )) > $counter_file')
-
-      multipass_image=$(echo "${SPREAD_SYSTEM}" | sed -e s/ubuntu-// -e s/-64//)
-
-      system=$(echo "${SPREAD_SYSTEM}" | tr . -)
-      instance_name="spread-${SPREAD_BACKEND}-${instance_num}-${system}"
-
-      multipass launch -vv --cpus 2 --disk 20G --memory 4G --name "${instance_name}" \
-        --cloud-init tests/spread/lib/cloud-config.yaml "${multipass_image}"
-
-      # Get the IP from the instance
-      ip=$(multipass info --format csv "$instance_name" | tail -1 | cut -d\, -f3)
-      ADDRESS "$ip"
-
-    discard: |
-      instance_name=$(multipass list --format csv | grep $SPREAD_SYSTEM_ADDRESS | cut -f1 -d\,)
-      multipass delete --purge "${instance_name}"
-
-    systems:
-      - ubuntu-24.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-22.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-20.04:
-          username: spread
-          password: spread
-          workers: 1
-
-  github-ci:
-    type: adhoc
-
-    allocate: |
-      echo "Allocating ad-hoc $SPREAD_SYSTEM"
-      if [ -z "${GITHUB_RUN_ID:-}" ]; then
-        FATAL "this back-end only works inside GitHub CI"
-        exit 1
-      fi
-      echo 'ubuntu ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/99-spread-users
-      ADDRESS localhost:22
-
-    discard: |
-      echo "Discarding ad-hoc $SPREAD_SYSTEM"
-
-    systems:
-      - ubuntu-22.04-amd64:
-          username: ubuntu
-          password: ubuntu
-          workers: 1
-
-
-suites:
-  tests/spread/general/:
-    summary: Charm functionality tests
-
-    systems:
-      - ubuntu-22.04*
-      - ubuntu-24.04*
-
-    environment:
-      CHARMCRAFT_CHANNEL/charmcraft_current: latest/stable
-      # CHARMCRAFT_CHANNEL/charmcraft_next: latest/candidate
-
-    prepare: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      apt update -y
-      apt install -y python3-pip
-      pip3 install tox
-
-      install_lxd
-      install_charmcraft
-      install_juju
-      bootstrap_juju
-
-      juju add-model testing
-
-    restore: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      rm -f "$PROJECT_PATH"/*.charm
-      charmcraft clean -p "$PROJECT_PATH"
-
-      restore_juju
-      restore_charmcraft
-      restore_lxd
-
-exclude:
-  - .git
-  - .tox
-
-path: /home/spread/proj
-
-prepare: |
-  snap refresh --hold
-
-  if systemctl is-enabled unattended-upgrades.service; then
-    systemctl stop unattended-upgrades.service
-    systemctl mask unattended-upgrades.service
-  fi
-
-restore: |
-  apt autoremove -y --purge
-  rm -Rf "$PROJECT_PATH"
-  mkdir -p "$PROJECT_PATH"
-
-
-kill-timeout: 1h
diff --git a/charmcraft/templates/init-machine/tests/spread/general/integration/task.yaml.j2 b/charmcraft/templates/init-machine/tests/spread/general/integration/task.yaml.j2
deleted file mode 100644
index 8440186b5..000000000
--- a/charmcraft/templates/init-machine/tests/spread/general/integration/task.yaml.j2
+++ /dev/null
@@ -1,4 +0,0 @@
-summary: Run the charm integration test
-
-execute: |
-  tox -e integration
diff --git a/charmcraft/templates/init-machine/tests/spread/lib/cloud-config.yaml.j2 b/charmcraft/templates/init-machine/tests/spread/lib/cloud-config.yaml.j2
deleted file mode 100644
index 29618c66b..000000000
--- a/charmcraft/templates/init-machine/tests/spread/lib/cloud-config.yaml.j2
+++ /dev/null
@@ -1,10 +0,0 @@
-#cloud-config
-
-ssh_pwauth: true
-
-users:
-  - default
-  - name: spread
-    plain_text_passwd: spread
-    lock_passwd: false
-    sudo: ALL=(ALL) NOPASSWD:ALL
diff --git a/charmcraft/templates/init-machine/tests/spread/lib/test-helpers.sh.j2 b/charmcraft/templates/init-machine/tests/spread/lib/test-helpers.sh.j2
deleted file mode 100644
index 7999346cd..000000000
--- a/charmcraft/templates/init-machine/tests/spread/lib/test-helpers.sh.j2
+++ /dev/null
@@ -1,61 +0,0 @@
-
-export PATH=/snap/bin:$PROJECT_PATH/tests/spread/lib/tools:$PATH
-export CONTROLLER_NAME="craft-test-$PROVIDER"
-
-
-install_lxd() {
-    snap install lxd --channel "$LXD_CHANNEL"
-    snap refresh lxd --channel "$LXD_CHANNEL"
-    lxd waitready
-    lxd init --auto
-    chmod a+wr /var/snap/lxd/common/lxd/unix.socket
-    lxc network set lxdbr0 ipv6.address none
-    usermod -a -G lxd "$USER"
-
-    # Work-around clash between docker and lxd on jammy
-    # https://github.com/docker/for-linux/issues/1034
-    iptables -F FORWARD
-    iptables -P FORWARD ACCEPT
-}
-
-
-install_charmcraft() {
-    snap install charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-    snap refresh charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-}
-
-
-install_juju() {
-    snap install juju --classic --channel "$JUJU_CHANNEL"
-    snap refresh juju --classic --channel "$JUJU_CHANNEL"
-    mkdir -p "$HOME"/.local/share/juju
-    snap install juju-crashdump --classic
-}
-
-
-bootstrap_juju() {
-    juju bootstrap --verbose "$PROVIDER" "$CONTROLLER_NAME" \
-      $JUJU_BOOTSTRAP_OPTIONS $JUJU_EXTRA_BOOTSTRAP_OPTIONS \
-      --bootstrap-constraints=$JUJU_BOOTSTRAP_CONSTRAINTS
-}
-
-
-restore_charmcraft() {
-    snap remove --purge charmcraft
-}
-
-
-restore_lxd() {
-    snap stop lxd
-    snap remove --purge lxd
-}
-
-
-restore_juju() {
-    juju controllers --refresh ||:
-    juju destroy-controller -v --no-prompt --show-log \
-       --destroy-storage --destroy-all-models "$CONTROLLER_NAME"
-    snap stop juju
-    snap remove --purge juju
-    snap remove --purge juju-crashdump
-}
diff --git a/charmcraft/templates/init-simple/spread.yaml.j2 b/charmcraft/templates/init-simple/spread.yaml.j2
deleted file mode 100644
index 4e94625b8..000000000
--- a/charmcraft/templates/init-simple/spread.yaml.j2
+++ /dev/null
@@ -1,158 +0,0 @@
-project: {{ name }}-k8s-tests
-
-environment:
-  PROVIDER: microk8s
-  CHARMCRAFT_CHANNEL: latest/stable
-  JUJU_CHANNEL: 3/stable
-  LXD_CHANNEL: latest/stable
-  MICROK8S_CHANNEL: 1.28-strict/stable
-  MICROK8S_ADDONS: hostpath-storage
-
-  JUJU_BOOTSTRAP_OPTIONS: --model-default test-mode=true --model-default automatically-retry-hooks=false --model-default
-  JUJU_EXTRA_BOOTSTRAP_OPTIONS: ""
-  JUJU_BOOTSTRAP_CONSTRAINTS: ""
-
-  # important to ensure adhoc and linode/qemu behave the same
-  SUDO_USER: ""
-  SUDO_UID: ""
-
-  LANG: "C.UTF-8"
-  LANGUAGE: "en"
-
-  PROJECT_PATH: /home/spread/proj
-  CRAFT_TEST_LIB_PATH: /home/spread/proj/tests/spread/lib
-
-backends:
-  multipass:
-    type: adhoc
-    allocate: |
-      # Mitigate issues found when launching multiple mutipass instances
-      # concurrently. See https://github.com/canonical/multipass/issues/3336
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-      sleep 0.$RANDOM
-
-      mkdir -p "$HOME/.spread"
-      export counter_file="$HOME/.spread/multipass-count"
-
-      # Sequential variable for unique instance names
-      instance_num=$(flock -x $counter_file bash -c '
-        [ -s $counter_file ] || echo 0 > $counter_file
-        num=$(< $counter_file)
-        echo $num
-        echo $(( $num + 1 )) > $counter_file')
-
-      multipass_image=$(echo "${SPREAD_SYSTEM}" | sed -e s/ubuntu-// -e s/-64//)
-
-      system=$(echo "${SPREAD_SYSTEM}" | tr . -)
-      instance_name="spread-${SPREAD_BACKEND}-${instance_num}-${system}"
-
-      multipass launch -vv --cpus 2 --disk 20G --memory 4G --name "${instance_name}" \
-        --cloud-init tests/spread/lib/cloud-config.yaml "${multipass_image}"
-
-      # Get the IP from the instance
-      ip=$(multipass info --format csv "$instance_name" | tail -1 | cut -d\, -f3)
-      ADDRESS "$ip"
-
-    discard: |
-      instance_name=$(multipass list --format csv | grep $SPREAD_SYSTEM_ADDRESS | cut -f1 -d\,)
-      multipass delete --purge "${instance_name}"
-
-    systems:
-      - ubuntu-24.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-22.04:
-          username: spread
-          password: spread
-          workers: 1
-
-      - ubuntu-20.04:
-          username: spread
-          password: spread
-          workers: 1
-
-  github-ci:
-    type: adhoc
-
-    allocate: |
-      echo "Allocating ad-hoc $SPREAD_SYSTEM"
-      if [ -z "${GITHUB_RUN_ID:-}" ]; then
-        FATAL "this back-end only works inside GitHub CI"
-        exit 1
-      fi
-      echo 'ubuntu ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/99-spread-users
-      ADDRESS localhost:22
-
-    discard: |
-      echo "Discarding ad-hoc $SPREAD_SYSTEM"
-
-    systems:
-      - ubuntu-22.04-amd64:
-          username: ubuntu
-          password: ubuntu
-          workers: 1
-
-
-suites:
-  tests/spread/general/:
-    summary: Charm functionality tests
-
-    systems:
-      - ubuntu-24.04*
-      - ubuntu-22.04*
-
-    environment:
-      CHARMCRAFT_CHANNEL/charmcraft_current: latest/stable
-      # CHARMCRAFT_CHANNEL/charmcraft_next: latest/candidate
-
-    prepare: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      apt update -y
-      apt install -y python3-pip
-      pip3 install tox
-
-      install_lxd
-      install_charmcraft
-      install_juju
-      install_microk8s
-
-      bootstrap_juju
-
-      juju add-model testing
-
-    restore: |
-      set -e
-      . "$CRAFT_TEST_LIB_PATH"/test-helpers.sh
-      rm -f "$PROJECT_PATH"/*.charm
-      charmcraft clean -p "$PROJECT_PATH"
-
-      restore_juju
-      restore_charmcraft
-      restore_microk8s
-      restore_lxd
-
-exclude:
-  - .git
-  - .tox
-
-path: /home/spread/proj
-
-prepare: |
-  snap refresh --hold
-
-  if systemctl is-enabled unattended-upgrades.service; then
-    systemctl stop unattended-upgrades.service
-    systemctl mask unattended-upgrades.service
-  fi
-
-restore: |
-  apt autoremove -y --purge
-  rm -Rf "$PROJECT_PATH"
-  mkdir -p "$PROJECT_PATH"
-
-
-kill-timeout: 1h
diff --git a/charmcraft/templates/init-simple/tests/spread/general/integration/task.yaml.j2 b/charmcraft/templates/init-simple/tests/spread/general/integration/task.yaml.j2
deleted file mode 100644
index 8440186b5..000000000
--- a/charmcraft/templates/init-simple/tests/spread/general/integration/task.yaml.j2
+++ /dev/null
@@ -1,4 +0,0 @@
-summary: Run the charm integration test
-
-execute: |
-  tox -e integration
diff --git a/charmcraft/templates/init-simple/tests/spread/lib/cloud-config.yaml.j2 b/charmcraft/templates/init-simple/tests/spread/lib/cloud-config.yaml.j2
deleted file mode 100644
index 29618c66b..000000000
--- a/charmcraft/templates/init-simple/tests/spread/lib/cloud-config.yaml.j2
+++ /dev/null
@@ -1,10 +0,0 @@
-#cloud-config
-
-ssh_pwauth: true
-
-users:
-  - default
-  - name: spread
-    plain_text_passwd: spread
-    lock_passwd: false
-    sudo: ALL=(ALL) NOPASSWD:ALL
diff --git a/charmcraft/templates/init-simple/tests/spread/lib/test-helpers.sh.j2 b/charmcraft/templates/init-simple/tests/spread/lib/test-helpers.sh.j2
deleted file mode 100644
index 544ac30c7..000000000
--- a/charmcraft/templates/init-simple/tests/spread/lib/test-helpers.sh.j2
+++ /dev/null
@@ -1,86 +0,0 @@
-
-export PATH=/snap/bin:$PROJECT_PATH/tests/spread/lib/tools:$PATH
-export CONTROLLER_NAME="craft-test-$PROVIDER"
-
-
-install_lxd() {
-    snap install lxd --channel "$LXD_CHANNEL"
-    snap refresh lxd --channel "$LXD_CHANNEL"
-    lxd waitready
-    lxd init --auto
-    chmod a+wr /var/snap/lxd/common/lxd/unix.socket
-    lxc network set lxdbr0 ipv6.address none
-    usermod -a -G lxd "$USER"
-
-    # Work-around clash between docker and lxd on jammy
-    # https://github.com/docker/for-linux/issues/1034
-    iptables -F FORWARD
-    iptables -P FORWARD ACCEPT
-}
-
-
-install_microk8s() {
-    snap install microk8s --channel "$MICROK8S_CHANNEL"
-    snap refresh microk8s --channel "$MICROK8S_CHANNEL"
-    microk8s status --wait-ready
-
-    if [ ! -z "$MICROK8S_ADDONS" ]; then
-        microk8s enable $MICROK8S_ADDONS
-    fi
-
-    local version=$(snap list microk8s | grep microk8s | awk '{ print $2 }')
-
-    # workarounds for https://bugs.launchpad.net/juju/+bug/1937282
-    retry microk8s kubectl -n kube-system rollout status deployment/coredns
-    retry microk8s kubectl -n kube-system rollout status deployment/hostpath-provisioner
-
-    retry microk8s kubectl auth can-i create pods
-}
-
-
-install_charmcraft() {
-    snap install charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-    snap refresh charmcraft --classic --channel "$CHARMCRAFT_CHANNEL"
-}
-
-
-install_juju() {
-    snap install juju --classic --channel "$JUJU_CHANNEL"
-    snap refresh juju --classic --channel "$JUJU_CHANNEL"
-    mkdir -p "$HOME"/.local/share/juju
-    snap install juju-crashdump --classic
-}
-
-
-bootstrap_juju() {
-    juju bootstrap --verbose "$PROVIDER" "$CONTROLLER_NAME" \
-      $JUJU_BOOTSTRAP_OPTIONS $JUJU_EXTRA_BOOTSTRAP_OPTIONS \
-      --bootstrap-constraints=$JUJU_BOOTSTRAP_CONSTRAINTS
-}
-
-
-restore_charmcraft() {
-    snap remove --purge charmcraft
-}
-
-
-restore_lxd() {
-    snap stop lxd
-    snap remove --purge lxd
-}
-
-
-restore_microk8s() {
-    snap stop microk8s
-    snap remove --purge microk8s
-}
-
-
-restore_juju() {
-    juju controllers --refresh ||:
-    juju destroy-controller -v --no-prompt --show-log \
-       --destroy-storage --destroy-all-models "$CONTROLLER_NAME"
-    snap stop juju
-    snap remove --purge juju
-    snap remove --purge juju-crashdump
-}
diff --git a/charmcraft/templates/init-simple/tests/spread/lib/tools/retry.j2 b/charmcraft/templates/init-simple/tests/spread/lib/tools/retry.j2
deleted file mode 120000
index 7777b7ab7..000000000
--- a/charmcraft/templates/init-simple/tests/spread/lib/tools/retry.j2
+++ /dev/null
@@ -1 +0,0 @@
-../../../../../init-kubernetes/tests/spread/lib/tools/retry.j2
\ No newline at end of file
diff --git a/docs/reference/changelog.rst b/docs/reference/changelog.rst
index 6089bbcce..a5cb79654 100644
--- a/docs/reference/changelog.rst
+++ b/docs/reference/changelog.rst
@@ -77,6 +77,17 @@ Changelog
 
   For a complete list of commits, see the `X.Y.Z`_ release on GitHub.
 
+3.3.2 (2025-01027)
+------------------
+
+This release contains some bug fixes for the 3.3 branch.
+
+Command line
+============
+
+This release removes experimental test templates added to the project when
+running ``charmcraft init``. Existing projects will not be affected.
+
 3.3.1 (2025-01-23)
 ------------------
 
diff --git a/tests/integration/commands/test_init.py b/tests/integration/commands/test_init.py
index 3248e5358..776dcb03a 100644
--- a/tests/integration/commands/test_init.py
+++ b/tests/integration/commands/test_init.py
@@ -56,33 +56,6 @@
         "tox.ini",
     )
 )
-BASIC_INIT_FILES_WITH_SPREAD = frozenset(
-    list(BASIC_INIT_FILES)
-    + [
-        pathlib.Path(p)
-        for p in (
-            "spread.yaml",
-            "tests/spread",
-            "tests/spread/lib",
-            "tests/spread/lib/cloud-config.yaml",
-            "tests/spread/lib/test-helpers.sh",
-            "tests/spread/general",
-            "tests/spread/general/integration",
-            "tests/spread/general/integration/task.yaml",
-        )
-    ]
-)
-BASIC_INIT_FILES_WITH_TOOLS = frozenset(
-    list(BASIC_INIT_FILES_WITH_SPREAD)
-    + [
-        pathlib.Path(p)
-        for p in (
-            "tests/spread/lib",
-            "tests/spread/lib/tools",
-            "tests/spread/lib/tools/retry",
-        )
-    ]
-)
 UNKNOWN_AUTHOR_REGEX = re.compile(
     r"^Unable to automatically determine author's name, specify it with --author$"
 )
@@ -125,9 +98,9 @@ def create_namespace(
 @pytest.mark.parametrize(
     ("profile", "expected_files"),
     [
-        pytest.param("simple", BASIC_INIT_FILES_WITH_TOOLS, id="simple"),
-        pytest.param("machine", BASIC_INIT_FILES_WITH_SPREAD, id="machine"),
-        pytest.param("kubernetes", BASIC_INIT_FILES_WITH_TOOLS, id="kubernetes"),
+        pytest.param("simple", BASIC_INIT_FILES, id="simple"),
+        pytest.param("machine", BASIC_INIT_FILES, id="machine"),
+        pytest.param("kubernetes", BASIC_INIT_FILES, id="kubernetes"),
     ],
 )
 @pytest.mark.parametrize("charm_name", ["my-charm", "charm123"])
@@ -240,7 +213,7 @@ def test_gecos_user_has_no_name(monkeypatch, new_path, init_command):
         ),
     ],
 )
-@pytest.mark.parametrize("expected_files", [BASIC_INIT_FILES_WITH_TOOLS])
+@pytest.mark.parametrize("expected_files", [BASIC_INIT_FILES])
 def test_create_directory(new_path, init_command, subdir, expected_files):
     init_dir = new_path / subdir