diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 6eb69c5..8c60245 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools
-          python -m pip install -r requires/lint.txt
+          python -m pip install '.[ci]'
       - name: Flake8
         run: |
           flake8 sprockets tests.py
@@ -37,7 +37,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools
-          python -m pip install -r requires/testing.txt
+          python -m pip install '.[ci]'
           python -m pip install -e '.[msgpack]'
       - name: Dump packages
         run: python -m pip freeze
@@ -48,7 +48,7 @@ jobs:
           coverage xml -o ./coverage.xml
       - name: Send coverage data to codecov.io
         uses: codecov/codecov-action@v1.3.2
-        if: github.event_name == 'push'
+        if: github.event_name == 'push' && github.repository == 'sprockets/sprockets.mixins.media_type'
         with:
           file: ./coverage.xml
           flags: unittests
diff --git a/CONTRIBUTING b/CONTRIBUTING
index 4ad338a..c937ef9 100644
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -18,7 +18,7 @@ you you don't have a choice.  That is why we run our tests using tox.
 The next step is to install the development tools that this project uses.
 These are listed in *requires/development.txt*::
 
-   $ env/bin/pip install -qr requires/development.txt
+   $ env/bin/pip install '.[dev]'
 
 At this point, you will have everything that you need to develop at your
 disposal.  Use the unittest runner to run the test suite or the coverage
@@ -45,7 +45,7 @@ tool chest.  It provides the following commands:
 **./setup.py build_sphinx**
    Generate the documentation using sphinx.
 
-**./setup.py flake8**
+**flake8 sprockets tests.py**
    Run flake8 over the code and report style violations.
 
 If any of the preceding commands give you problems, then you will have to
diff --git a/requires/development.txt b/requires/development.txt
deleted file mode 100644
index f6ea5a6..0000000
--- a/requires/development.txt
+++ /dev/null
@@ -1,4 +0,0 @@
--e .[msgpack]
--r docs.txt
--r lint.txt
--r testing.txt
diff --git a/requires/docs.txt b/requires/docs.txt
deleted file mode 100644
index 3c555e5..0000000
--- a/requires/docs.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-sphinx==4.2.0
-sphinxcontrib-httpdomain==1.7.0
diff --git a/requires/installation.txt b/requires/installation.txt
deleted file mode 100644
index 0fbae78..0000000
--- a/requires/installation.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-ietfparse>=1.5.1,<2
-tornado>=5,<7
diff --git a/requires/lint.txt b/requires/lint.txt
deleted file mode 100644
index 694f7a4..0000000
--- a/requires/lint.txt
+++ /dev/null
@@ -1 +0,0 @@
-flake8==3.9.2
diff --git a/requires/testing.txt b/requires/testing.txt
deleted file mode 100644
index 1500af8..0000000
--- a/requires/testing.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-coverage==5.5
-tox==3.24.3
diff --git a/setup.cfg b/setup.cfg
index 6638b6a..fa30768 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,7 +36,7 @@ install_requires =
 [options.extras_require]
 msgpack =
 	u-msgpack-python>=2.5.0,<3
-testing =
+ci =
 	coverage==5.5
 	flake8==3.9.2
 dev =