Enable python3.8 coverage
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 51f755b..0d82071 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -86,15 +86,6 @@
 tests-python-3.8-buster:
   image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-python:3.8-buster-${DOCKER_IMAGE_VERSION}
   <<: *tests
-  variables:
-    # This particular testsuite image has both Python 3.7 and Python 3.8 so we
-    # need to explicitly force the 3.8 environment.
-    # Once Python 3.8 is available in distros, we should switch to such an
-
-    # Our testsuite has issues with coverage on Python 3.8 so disable coverage
-    # in the meantime. For more details, see
-    # https://gitlab.com/BuildStream/buildstream/issues/1173.
-    TOXENV: py38-nocover,py38-plugins-nocover
 
 # Test the master version of some external plugins
 tests-plugins-master: