diff --git a/installer/environment.yml b/installer/environment.yml
deleted file mode 100644
index aebb9c181..000000000
--- a/installer/environment.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: phy
-dependencies:
-  - python=3.5
-  - numpy
-  - matplotlib
-  - scipy
-  - h5py
-  - cython
-  - pyqt=4
-  - pip:
-    - klusta
-    - klustakwik2
-    - vispy
-    - requests
-    - traitlets
-    - joblib
-    - click
-    - tqdm
diff --git a/requirements.txt b/requirements.txt
index 0743f6a41..e436a3a68 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,3 +16,7 @@ joblib
 click
 mkdocs
 PyQtWebEngine
+PyQt5
+responses
+traitlets
+scikit-learn