diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index d31c862..ae77c80 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -40,6 +40,9 @@ jobs:
     - name: Check typing annotations with mypy
       run: |
         poetry run mypy .
+    - name: Verify unused imports
+      run: |
+        poetry run flake8 --select F401 slowapi
     - name: Test with pytest
       # Wrapped by coverage to generate coverage data
       run: |
diff --git a/poetry.lock b/poetry.lock
index 1914695..dcb2f86 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -111,6 +111,20 @@ dev = ["python-jose[cryptography] (>=3.1.0,<4.0.0)", "passlib[bcrypt] (>=1.7.2,<
 doc = ["mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=5.5.0,<6.0.0)", "markdown-include (>=0.5.1,<0.6.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.2.0)", "typer (>=0.3.0,<0.4.0)", "typer-cli (>=0.0.9,<0.0.10)", "pyyaml (>=5.3.1,<6.0.0)"]
 test = ["pytest (==5.4.3)", "pytest-cov (==2.10.0)", "pytest-asyncio (>=0.14.0,<0.15.0)", "mypy (==0.782)", "flake8 (>=3.8.3,<4.0.0)", "black (==19.10b0)", "isort (>=5.0.6,<6.0.0)", "requests (>=2.24.0,<3.0.0)", "httpx (>=0.14.0,<0.15.0)", "email_validator (>=1.1.1,<2.0.0)", "sqlalchemy (>=1.3.18,<2.0.0)", "peewee (>=3.13.3,<4.0.0)", "databases[sqlite] (>=0.3.2,<0.4.0)", "orjson (>=3.2.1,<4.0.0)", "async_exit_stack (>=1.0.1,<2.0.0)", "async_generator (>=1.10,<2.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "aiofiles (>=0.5.0,<0.6.0)", "flask (>=1.1.2,<2.0.0)"]
 
+[[package]]
+name = "flake8"
+version = "4.0.1"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+importlib-metadata = {version = "<4.3", markers = "python_version < \"3.8\""}
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.8.0,<2.9.0"
+pyflakes = ">=2.4.0,<2.5.0"
+
 [[package]]
 name = "ghp-import"
 version = "2.0.1"
@@ -147,7 +161,7 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "importlib-metadata"
-version = "4.7.1"
+version = "4.2.0"
 description = "Read metadata from Python packages"
 category = "dev"
 optional = false
@@ -159,8 +173,7 @@ zipp = ">=0.5"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
-perf = ["ipython"]
-testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "iniconfig"
@@ -245,6 +258,14 @@ category = "dev"
 optional = false
 python-versions = ">=3.6"
 
+[[package]]
+name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "mergedeep"
 version = "1.3.4"
@@ -376,6 +397,14 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
+[[package]]
+name = "pycodestyle"
+version = "2.8.0"
+description = "Python style guide checker"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
 [[package]]
 name = "pydantic"
 version = "1.7.4"
@@ -389,6 +418,14 @@ dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
 typing_extensions = ["typing-extensions (>=3.7.2)"]
 
+[[package]]
+name = "pyflakes"
+version = "2.4.0"
+description = "passive checker of Python programs"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
 [[package]]
 name = "pyparsing"
 version = "2.4.7"
@@ -576,7 +613,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7,<4.0"
-content-hash = "f73afd5f355d6b6850dec1b0a4efdfc30fc7e9979755972c1bcccac668840c03"
+content-hash = "4ca36e5e281b1bf038cf0cc34244065c631f77496ea11a2b863ba75980b4fdf7"
 
 [metadata.files]
 atomicwrites = [
@@ -675,6 +712,10 @@ fastapi = [
     {file = "fastapi-0.61.2-py3-none-any.whl", hash = "sha256:8c8517680a221e69eb34073adf46c503092db2f24845b7bdc7f85b54f24ff0df"},
     {file = "fastapi-0.61.2.tar.gz", hash = "sha256:9e0494fcbba98f85b8cc9b2606bb6b625246e1b12f79ca61f508b0b00843eca6"},
 ]
+flake8 = [
+    {file = "flake8-4.0.1-py2.py3-none-any.whl", hash = "sha256:479b1304f72536a55948cb40a32dce8bb0ffe3501e26eaf292c7e60eb5e0428d"},
+    {file = "flake8-4.0.1.tar.gz", hash = "sha256:806e034dda44114815e23c16ef92f95c91e4c71100ff52813adf7132a6ad870d"},
+]
 ghp-import = [
     {file = "ghp-import-2.0.1.tar.gz", hash = "sha256:753de2eace6e0f7d4edfb3cce5e3c3b98cd52aadb80163303d1d036bda7b4483"},
     {file = "ghp_import-2.0.1-py3-none-any.whl", hash = "sha256:8241a8e9f8dd3c1fafe9696e6e081b57a208ef907e9939c44e7415e407ab40ea"},
@@ -688,8 +729,8 @@ idna = [
     {file = "idna-3.2.tar.gz", hash = "sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-4.7.1-py3-none-any.whl", hash = "sha256:9e04bf59076a15a9b6dd9c27806e8fcdf15280ba529c6a8cc3f4d5b4875bdd61"},
-    {file = "importlib_metadata-4.7.1.tar.gz", hash = "sha256:c4eb3dec5f697682e383a39701a7de11cd5c02daf8dd93534b69e3e6473f6b1b"},
+    {file = "importlib_metadata-4.2.0-py3-none-any.whl", hash = "sha256:057e92c15bc8d9e8109738a48db0ccb31b4d9d5cfbee5a8670879a30be66304b"},
+    {file = "importlib_metadata-4.2.0.tar.gz", hash = "sha256:b7e52a1f8dec14a75ea73e0891f3060099ca1d8e6a462a4dff11c3e119ea1b31"},
 ]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
@@ -844,6 +885,10 @@ markupsafe = [
     {file = "MarkupSafe-2.0.1-cp39-cp39-win_amd64.whl", hash = "sha256:693ce3f9e70a6cf7d2fb9e6c9d8b204b6b39897a2c4a1aa65728d5ac97dcc1d8"},
     {file = "MarkupSafe-2.0.1.tar.gz", hash = "sha256:594c67807fb16238b30c44bdf74f36c02cdf22d1c8cda91ef8a0ed8dabf5620a"},
 ]
+mccabe = [
+    {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
+    {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
+]
 mergedeep = [
     {file = "mergedeep-1.3.4-py3-none-any.whl", hash = "sha256:70775750742b25c0d8f36c55aed03d24c3384d17c951b3175d898bd778ef0307"},
     {file = "mergedeep-1.3.4.tar.gz", hash = "sha256:0096d52e9dad9939c3d975a774666af186eda617e6ca84df4c94dec30004f2a8"},
@@ -908,6 +953,10 @@ py = [
     {file = "py-1.10.0-py2.py3-none-any.whl", hash = "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"},
     {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
+pycodestyle = [
+    {file = "pycodestyle-2.8.0-py2.py3-none-any.whl", hash = "sha256:720f8b39dde8b293825e7ff02c475f3077124006db4f440dcbc9a20b76548a20"},
+    {file = "pycodestyle-2.8.0.tar.gz", hash = "sha256:eddd5847ef438ea1c7870ca7eb78a9d47ce0cdb4851a5523949f2601d0cbbe7f"},
+]
 pydantic = [
     {file = "pydantic-1.7.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:3c60039e84552442defbcb5d56711ef0e057028ca7bfc559374917408a88d84e"},
     {file = "pydantic-1.7.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:6e7e314acb170e143c6f3912f93f2ec80a96aa2009ee681356b7ce20d57e5c62"},
@@ -932,6 +981,10 @@ pydantic = [
     {file = "pydantic-1.7.4-py3-none-any.whl", hash = "sha256:a82385c6d5a77e3387e94612e3e34b77e13c39ff1295c26e3ba664e7b98073e2"},
     {file = "pydantic-1.7.4.tar.gz", hash = "sha256:0a1abcbd525fbb52da58c813d54c2ec706c31a91afdb75411a73dd1dec036595"},
 ]
+pyflakes = [
+    {file = "pyflakes-2.4.0-py2.py3-none-any.whl", hash = "sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e"},
+    {file = "pyflakes-2.4.0.tar.gz", hash = "sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c"},
+]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
diff --git a/pyproject.toml b/pyproject.toml
index acc552d..740de5c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ mkdocs = "^1.2.3"
 mkautodoc = "^0.1.0"
 types-redis = "^3.5.6"
 coverage = "^6.3"
+flake8 = "^4.0.1"
 
 [tool.black]
 line-length = 88
diff --git a/tests/test_base.py b/tests/test_base.py
index 6740832..787c265 100644
--- a/tests/test_base.py
+++ b/tests/test_base.py
@@ -1,2 +1,2 @@
 def test_import():
-    import slowapi
+    import slowapi  # noqa: F401