diff --git a/.travis.yml b/.travis.yml
index fd59544d9b3c6..4d1281819e2cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -51,14 +51,14 @@ matrix:
     # In allow_failures
     - dist: trusty
       env:
-        - JOB="3.6, doc" ENV_FILE="ci/deps/travis-36-doc.yaml" DOC=true
+        - JOB="3.6, doc" ENV_FILE="environment.yml" DOC=true
     allow_failures:
       - dist: trusty
         env:
           - JOB="3.6, slow" ENV_FILE="ci/deps/travis-36-slow.yaml" PATTERN="slow"
       - dist: trusty
         env:
-          - JOB="3.6, doc" ENV_FILE="ci/deps/travis-36-doc.yaml" DOC=true
+          - JOB="3.6, doc" ENV_FILE="environment.yml" DOC=true
 
 before_install:
   - echo "before_install"
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 9238c27002337..597b5f92796c0 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -123,7 +123,7 @@ jobs:
   timeoutInMinutes: 90
   steps:
   - script: |
-      echo '##vso[task.setvariable variable=ENV_FILE]ci/deps/travis-36-doc.yaml'
+      echo '##vso[task.setvariable variable=ENV_FILE]environment.yml'
     displayName: 'Setting environment variables'
 
   - script: |
diff --git a/ci/deps/travis-36-doc.yaml b/ci/deps/travis-36-doc.yaml
deleted file mode 100644
index 9419543e601e2..0000000000000
--- a/ci/deps/travis-36-doc.yaml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: pandas-dev
-channels:
-  - defaults
-  - conda-forge
-dependencies:
-  - beautifulsoup4
-  - bottleneck
-  - cython>=0.28.2
-  - fastparquet>=0.2.1
-  - gitpython
-  - html5lib
-  - hypothesis>=3.58.0
-  - ipykernel
-  - ipython
-  - ipywidgets
-  - lxml
-  - matplotlib
-  - nbconvert>=5.4.1
-  - nbformat
-  - nbsphinx
-  - notebook>=5.7.5
-  - numexpr
-  - numpy
-  - numpydoc
-  - openpyxl
-  - pandoc
-  - pyarrow
-  - pyqt
-  - pytables
-  - python-dateutil
-  - python-snappy
-  - python=3.6.*
-  - pytz
-  - scipy
-  - seaborn
-  # some styling is broken with sphinx >= 2 (https://github.com/pandas-dev/pandas/issues/26058)
-  - sphinx=1.8.5
-  - sqlalchemy
-  - statsmodels
-  - xarray
-  - xlrd
-  - xlsxwriter
-  - xlwt
-  # universal
-  - pytest>=4.0.2
-  - pytest-xdist