diff --git a/ci/requirements-3.6.pip b/ci/requirements-3.6.pip
index 688866a18542f..e69de29bb2d1d 100644
--- a/ci/requirements-3.6.pip
+++ b/ci/requirements-3.6.pip
@@ -1 +0,0 @@
-xlwt
diff --git a/ci/requirements-3.6.run b/ci/requirements-3.6.run
index daf07be2d1785..5d9cb05a7b402 100644
--- a/ci/requirements-3.6.run
+++ b/ci/requirements-3.6.run
@@ -5,10 +5,10 @@ scipy
 openpyxl
 xlsxwriter
 xlrd
-# xlwt (installed via pip)
+xlwt
 numexpr
 pytables
-# matplotlib (not avail on defaults ATM)
+matplotlib
 lxml
 html5lib
 jinja2