diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index d772c65..1ca469c 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -32,10 +32,11 @@ testr arguments that are needed to nox. For example, you can run:
 It is also possible to run the tests inside of a virtual environment
 you have created, or it is possible that you have all of the dependencies
 installed locally already. If you'd like to go this route, the requirements
-are listed in requirements.txt and the requirements for testing are in
+are listed in pyproject.toml and the requirements for testing are in
 test-requirements.txt. Installing them via pip, for instance, is simply::
 
-  pip install -r requirements.txt -r test-requirements.txt
+  pip install -r test-requirements.txt
+  pip install -e .
 
 In you go this route, you can interact with the testr command directly.
 Running `testr run` will run the entire test suite. `testr run --parallel`
diff --git a/noxfile.py b/noxfile.py
index 24f82c0..75c5214 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -17,7 +17,6 @@ def linters(session):
 
 @nox.session(python="3")
 def docs(session):
-    session.install("-r", "requirements.txt")
     session.install("-r", "doc/requirements.txt")
     session.install(".")
     session.run(
@@ -30,7 +29,6 @@ def docs(session):
 
 @nox.session(python="3")
 def venv(session):
-    session.install("-r", "requirements.txt")
     session.install("-r", "test-requirements.txt")
     session.install("-e", ".")
     session.run(*session.posargs)
@@ -39,7 +37,6 @@ def venv(session):
 # This will attempt to run python3 tests by default.
 @nox.session(python=["3"])
 def tests(session):
-    session.install("-r", "requirements.txt")
     session.install("-r", "test-requirements.txt")
     session.install("-e", ".")
     session.run("stestr", "run", *session.posargs)
@@ -48,7 +45,6 @@ def tests(session):
 
 @nox.session(python="3")
 def cover(session):
-    session.install("-r", "requirements.txt")
     session.install("-r", "test-requirements.txt")
     session.install("-e", ".")
     session.env["PYTHON"] = "coverage run --source bindep --parallel-mode"
diff --git a/playbooks/bindep/run.yaml b/playbooks/bindep/run.yaml
index c296894..b0ca1e1 100644
--- a/playbooks/bindep/run.yaml
+++ b/playbooks/bindep/run.yaml
@@ -4,13 +4,6 @@
   vars:
     bindep_profile: test
   tasks:
-    - name: Install requirements
-      pip:
-        chdir: "{{ zuul_work_dir }}"
-        virtualenv: "{{ zuul_work_virtualenv }}"
-        virtualenv_command: "{{ ensure_pip_virtualenv_command }}"
-        requirements: requirements.txt
-
     - name: Install the project from source
       pip:
         chdir: "{{ zuul_work_dir }}"
diff --git a/pyproject.toml b/pyproject.toml
index ad63864..0b0bbf3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,8 +29,14 @@ classifiers = [
     "Topic :: System :: Archiving :: Packaging",
     "Topic :: Utilities",
 ]
+dependencies = [
+    "distro>=1.7",
+    "packaging",
+    "Parsley",
+    "pbr>=2",
+]
 description = "Binary dependency utility"
-dynamic = ["dependencies", "version"]
+dynamic = ["version"]
 keywords = [
     "binary",
     "commandline",
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 0b71a6b..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-distro>=1.7.0
-pbr>=2.0.0  # Apache-2.0
-Parsley
-packaging