diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..24ce15a
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+numpy
diff --git a/popex/__init__.pyc b/popex/__init__.pyc
deleted file mode 100644
index fd78294..0000000
Binary files a/popex/__init__.pyc and /dev/null differ
diff --git a/popex/cnsts.pyc b/popex/cnsts.pyc
deleted file mode 100644
index 16c38c2..0000000
Binary files a/popex/cnsts.pyc and /dev/null differ
diff --git a/popex/popex_messages.pyc b/popex/popex_messages.pyc
deleted file mode 100644
index 43d30f5..0000000
Binary files a/popex/popex_messages.pyc and /dev/null differ
diff --git a/popex/popex_objects.pyc b/popex/popex_objects.pyc
deleted file mode 100644
index 61bcd3f..0000000
Binary files a/popex/popex_objects.pyc and /dev/null differ
diff --git a/popex/utils.pyc b/popex/utils.pyc
deleted file mode 100644
index 2cbd6b0..0000000
Binary files a/popex/utils.pyc and /dev/null differ
diff --git a/readthedocs.yml b/readthedocs.yml
index 400c080..980140b 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -6,7 +6,7 @@ python:
   setup_py_install: true    # When true install into virtualenv
   pip_install: true         # When true, install your project into virtualenv
 
-requirements_file: requirements.txt
+requirements_file: docs/requirements.txt
 
 formats:
   - none