diff --git a/.travis.yml b/.travis.yml
index a280033e..2e11ea15 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,36 +1,26 @@
-sudo: required
-dist: bionic
-language: python
+import:
+  - source: QubesOS/qubes-continuous-integration:R4.1/travis-base-r4.1.yml
+    mode: deep_merge_prepend
+  - source: QubesOS/qubes-continuous-integration:R4.1/travis-dom0-r4.1.yml
 python:
   - '3.6'
+language: python
 virtualenv:
   system_site_packages: true
 services:
   - xvfb
 install:
   - sudo apt-get -y install python3-gi gir1.2-gtk-3.0
-  - pip install --quiet -r ci/requirements.txt
+  - pip3 install --quiet -r ci/requirements.txt
   - git clone https://github.com/"${TRAVIS_REPO_SLUG%%/*}"/qubes-builder ~/qubes-builder
   - git clone https://github.com/"${TRAVIS_REPO_SLUG%%/*}"/qubes-core-qrexec ~/qubes-core-qrexec
 script:
   - PYTHONPATH=test-packages:~/qubes-core-qrexec pylint qubes
   - PYTHONPATH=test-packages:~/qubes-core-qrexec ./run-tests
-  - ~/qubes-builder/scripts/travis-build
-env:
- - DIST_DOM0=fc31 USE_QUBES_REPO_VERSION=4.1 USE_QUBES_REPO_TESTING=1
-
 after_success:
   - codecov -F unittests
   - ~/qubes-builder/scripts/travis-deploy
-
-# don't build tags which are meant for code signing only
-branches:
-  except:
-    - /.*_.*/
-
 addons:
   apt:
     packages:
       - debootstrap
-
-# vim: ts=2 sts=2 sw=2 et
diff --git a/qubes/app.py b/qubes/app.py
index 91a9a97f..183a092c 100644
--- a/qubes/app.py
+++ b/qubes/app.py
@@ -1197,17 +1197,6 @@ class Qubes(qubes.PropertyHolder):
 
         pool_configs = copy.deepcopy(qubes.config.defaults['pool_configs'])
 
-        root_volume_group, root_thin_pool = \
-            qubes.storage.DirectoryThinPool.thin_pool('/')
-        if root_thin_pool:
-            lvm_config = {
-                'name': 'lvm',
-                'driver': 'lvm_thin',
-                'volume_group': root_volume_group,
-                'thin_pool': root_thin_pool
-            }
-            pool_configs[lvm_config['name']] = lvm_config
-
         for name, config in pool_configs.items():
             if 'driver' not in config and 'dir_path' in config:
                 config['driver'] = 'file'
diff --git a/qubes/storage/__init__.py b/qubes/storage/__init__.py
index 532b7926..959122b6 100644
--- a/qubes/storage/__init__.py
+++ b/qubes/storage/__init__.py
@@ -932,8 +932,13 @@ class DirectoryThinPool:
                         .format(thin_pool_devnum), "r") as thin_pool_tpool_f:
                         thin_pool_tpool = thin_pool_tpool_f.read().rstrip('\n')
                     if thin_pool_tpool.endswith("-tpool"):
+                        # LVM replaces '-' by '--' if name contains
+                        # a hyphen
+                        thin_pool_tpool = thin_pool_tpool.replace('--', '=')
                         volume_group, thin_pool, _tpool = \
                             thin_pool_tpool.rsplit("-", 2)
+                        volume_group = volume_group.replace('=', '-')
+                        thin_pool = thin_pool.replace('=', '-')
                         cls._thin_pool[dir_path] = volume_group, thin_pool
             except:  # pylint: disable=bare-except
                 pass