diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index f502993a1..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "demo"]
-	path = demo
-	url = https://github.com/PyWPS/pywps-4-demo.git
diff --git a/.travis.yml b/.travis.yml
index 57cc86557..9490bf68c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: python
 
-sudo: false
+sudo: required
+dist: trusty
 
 python:
   - "2.7"
diff --git a/demo b/demo
deleted file mode 160000
index a18a7f201..000000000
--- a/demo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a18a7f2015f24a06ea92db3d6941ef369553a740