diff --git a/.envrc b/.envrc
index 05461775..d30a4028 100644
--- a/.envrc
+++ b/.envrc
@@ -4,15 +4,13 @@ if [[ -f .env ]]; then
     dotenv .env
 fi
 
-PATH_add "${HOME}/.local/share/sentry-devenv/bin"
-
-if ! command -v devenv >/dev/null; then
-    echo "install devenv: https://github.com/getsentry/devenv#install"
-    return 1
+if [ ! -d .venv ]; then
+    echo "warning: creating virtualenv for the first time"
+    python3 -m venv .venv
+    source .venv/bin/activate
+    pip install -r requirements.txt
+    pip install -r requirements-dev.txt
+else
+    source .venv/bin/activate
+    unset PS1
 fi
-
-PATH_add "${PWD}/.devenv/bin"
-
-export VIRTUAL_ENV="${PWD}/.venv"
-
-PATH_add "${PWD}/.venv/bin"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a96f713b..be5ae585 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,7 +31,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements-dev-frozen.txt
+          pip install -r requirements.txt
+          pip install -r requirements-dev.txt
           pip install -e .
       - name: Run tests
         run: pytest --cov --junitxml=junit.xml -o junit_family=legacy
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 7c3e2fb9..00000000
--- a/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-all: requirements-frozen.txt requirements-dev-frozen.txt
-
-requirements-frozen.txt: requirements.txt
-	.venv/bin/pip-compile --allow-unsafe --no-annotate --quiet --strip-extras requirements.txt -o requirements-frozen.txt
-
-requirements-dev-frozen.txt: requirements.txt requirements-dev.txt
-	.venv/bin/pip-compile --allow-unsafe --no-annotate --quiet --strip-extras requirements.txt requirements-dev.txt -o requirements-dev-frozen.txt
diff --git a/devenv/config.ini b/devenv/config.ini
deleted file mode 100644
index e754b8e9..00000000
--- a/devenv/config.ini
+++ /dev/null
@@ -1,19 +0,0 @@
-[devenv]
-minimum_version = 1.15.0
-
-[venv.venv]
-python = 3.12.6
-path = .venv
-requirements = requirements-dev-frozen.txt
-editable =
-  .
-
-[python3.12.6]
-darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-apple-darwin-install_only.tar.gz
-darwin_x86_64_sha256 = 8c56da91436bee158b0d592aed3393c1fe3da3694ca35950ee1c52935ba8bfd5
-darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-apple-darwin-install_only.tar.gz
-darwin_arm64_sha256 = 899f46eb592fcac4e834c064e4c901e8a4a6b5864e80b18efd2f0b7c3c050584
-linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-unknown-linux-gnu-install_only.tar.gz
-linux_x86_64_sha256 = 68ff386c923c59a33a272bd984b8a33fe8117c56ad7f7552e0c2b21937ee3c0b
-linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-unknown-linux-gnu-install_only.tar.gz
-linux_arm64_sha256 = caac1033f68f69d8978dc8c6b6964cfb9d8a111abc55c03403bd4ece63f331f3
diff --git a/devenv/sync.py b/devenv/sync.py
deleted file mode 100644
index 00b27020..00000000
--- a/devenv/sync.py
+++ /dev/null
@@ -1,24 +0,0 @@
-from __future__ import annotations
-
-from devenv.lib import config
-from devenv.lib import proc
-from devenv.lib import venv
-
-
-def main(context: dict[str, str]) -> int:
-    reporoot = context["reporoot"]
-
-    venv_dir, python_version, requirements, editable_paths, bins = venv.get(
-        reporoot,
-        "venv",
-    )
-    url, sha256 = config.get_python(reporoot, python_version)
-    print(f"ensuring venv at {venv_dir}...")
-    venv.ensure(venv_dir, python_version, url, sha256)
-
-    print(f"syncing venv with {requirements}...")
-    venv.sync(reporoot, venv_dir, requirements, editable_paths, bins)
-
-    proc.run(("pre-commit", "install", "--install-hooks", "-f"))
-
-    return 0
diff --git a/pyoxidizer.bzl b/pyoxidizer.bzl
index d12c396b..81718fde 100644
--- a/pyoxidizer.bzl
+++ b/pyoxidizer.bzl
@@ -64,7 +64,7 @@ def make_exe():
 
     # Invoke `pip install` using a requirements file and add the collected resources
     # to our binary.
-    exe.add_python_resources(exe.pip_install(["-r", "requirements-frozen.txt"]))
+    exe.add_python_resources(exe.pip_install(["-r", "requirements.txt"]))
 
     # Read Python files from a local directory and add them to our embedded
     # context, taking just the resources belonging to the `foo` and `bar`
diff --git a/requirements-dev-frozen.txt b/requirements-dev-frozen.txt
deleted file mode 100644
index c491dae8..00000000
--- a/requirements-dev-frozen.txt
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# This file is autogenerated by pip-compile with Python 3.12
-# by the following command:
-#
-#    pip-compile --allow-unsafe --no-annotate --output-file=requirements-dev-frozen.txt --strip-extras requirements-dev.txt requirements.txt
-#
---index-url https://pypi.devinfra.sentry.io/simple
-
-black==24.4.2
-build==0.8.0
-certifi==2025.1.31
-cfgv==3.4.0
-click==8.1.8
-coverage==7.6.4
-distlib==0.3.9
-filelock==3.18.0
-freezegun==1.2.2
-identify==2.6.9
-iniconfig==2.0.0
-mypy==1.11.2
-mypy-extensions==1.0.0
-nodeenv==1.9.1
-packaging==24.0
-pathspec==0.12.1
-pep517==0.13.0
-pip-tools==7.3.0
-platformdirs==4.3.6
-pluggy==1.5.0
-pre-commit==3.6.0
-pytest==8.1.1
-pytest-cov==4.1.0
-python-dateutil==2.9.0.post0
-pyyaml==6.0.1
-sentry-devenv==1.8.0
-sentry-sdk==2.20.0
-six==1.17.0
-supervisor==4.2.5
-types-pyyaml==6.0.11
-typing-extensions==4.13.0
-urllib3==2.3.0
-virtualenv==20.29.3
-wheel==0.42.0
-
-# The following packages are considered to be unsafe in a requirements file:
-pip==23.3.2
-setuptools==70.0.0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 54530687..4160a077 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,4 +9,3 @@ setuptools==70.0.0
 build==0.8.0
 wheel==0.42.0
 freezegun==1.2.2
-pip-tools
diff --git a/requirements-frozen.txt b/requirements-frozen.txt
deleted file mode 100644
index d73afc46..00000000
--- a/requirements-frozen.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-#
-# This file is autogenerated by pip-compile with Python 3.12
-# by the following command:
-#
-#    pip-compile --allow-unsafe --no-annotate --output-file=requirements-frozen.txt --strip-extras requirements.txt
-#
---index-url https://pypi.devinfra.sentry.io/simple
-
-certifi==2025.1.31
-packaging==24.0
-pyyaml==6.0.1
-sentry-devenv==1.8.0
-sentry-sdk==2.20.0
-supervisor==4.2.5
-typing-extensions==4.13.0
-urllib3==2.3.0
-
-# The following packages are considered to be unsafe in a requirements file:
-setuptools==78.1.0