diff --git a/environment-extra.yml b/environment-extra.yml
index 41477f25..52a1fa98 100644
--- a/environment-extra.yml
+++ b/environment-extra.yml
@@ -4,6 +4,5 @@ channels:
   - defaults
 dependencies:
   - h5py
-  - pymatgen
-  - phonopy
+  - pymatgen==2023.5.10
   - nglview=3.1.2
diff --git a/environment_AppleM1.yml b/environment_AppleM1.yml
deleted file mode 100644
index 9e556202..00000000
--- a/environment_AppleM1.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-name: pinn
-channels:
-  - conda-forge
-  - defaults
-dependencies:
-  - python=3.9
-  - pip
-  - "ase>=3.22.0,<3.23.0"
-  - "click>=7.0,<8.0"
-  - "pyyaml>=6.0.1,<6.1.0"
-  - "numpy<2"
-  - pip:
-    - tensorflow-macos==2.8.0
-    - tensorflow-metal==0.4.0
-    - protobuf<3.20
diff --git a/requirements-extra.txt b/requirements-extra.txt
index f199576d..de95ab97 100644
--- a/requirements-extra.txt
+++ b/requirements-extra.txt
@@ -1,4 +1,3 @@
 h5py
 pymatgen==2023.5.10
-phonopy==2.30.0
-nglview==3.1.2
\ No newline at end of file
+nglview==3.1.2