diff --git a/.circleci/config.yml b/.circleci/config.yml
index d44b81c..fe058b2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -104,7 +104,7 @@ jobs:
                 name: install dependencies
                 command: |
                     pip install sphinx
-                    pip install -r docs/doc-requirements.txt
+                    pip install -r docs/requirements.txt
 
             - save_cache:
                 paths:
diff --git a/docs/environment.yml b/docs/environment.yml
deleted file mode 100644
index d737594..0000000
--- a/docs/environment.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: tljh
-channels:
-  - conda-forge
-dependencies:
-- python=3.6
-- traitlets>=4.1
-- sphinx>=1.4, !=1.5.4
-- pip:
-  - sphinx_copybutton
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..a22771d
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx>=1.4, !=1.5.4
+sphinx_copybutton