diff --git a/requirements.txt b/requirements.txt
index 1a61c43b..b73eeef3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,5 @@
 cf-units>=2
 cftime>=1.1.0
-importlib-metadata
-importlib-resources
 isodate>=0.6.1
 jinja2>=2.7.3
 lxml>=3.2.1