diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index e7ec965..c669dae 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -17,8 +17,7 @@ jobs:
       - name: Install dependencies
         run: >-
           python -m
-          pip install -r
-          requirements.txt
+          pip install .
       - name: Install pypa/build
         run: >-
           python -m
diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index bbcc238..5b18948 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -32,7 +32,6 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install pytest
-        pip install -r requirements.txt
         pip install -e .
     - name: Test with pytest
       run: |
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index c2fbb5d..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-pillow
-matplotlib
-pytest
-fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
-numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index faecd72..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-numpy>=1.20
-segyio