diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index ccbef0287..275cc0938 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -20,6 +20,7 @@ build:
   jobs:
     pre_build:
       - ford fortran_docs.md 
+      - pip install pyshtools
       - DOC_BUILD=1 pip install .
 python:
   install:
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index d41a21895..000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-python>=3.8
-numpy>=1.24.3
-scipy>=1.10.1
-xarray>=2023.1
-dask>=2023.5
-distributed>=2023.5
-bottleneck>=1.3.5
-h5netcdf>=1.1
-h5py>=3.9
-netcdf4>=1.6.2
-matplotlib>=3.7.1
-astropy>=5.1
-astroquery>=0.4.6
-tqdm>=4.65.0
-cython>=3.0.0
\ No newline at end of file