diff --git a/demos/docker-compose/device/docker-compose.yaml b/demos/docker-compose/device/docker-compose.yaml
index 0e443fe..1497700 100644
--- a/demos/docker-compose/device/docker-compose.yaml
+++ b/demos/docker-compose/device/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: '3'
-
 # child device template
 x-child-defaults: &child-defaults
   image: ghcr.io/thin-edge/tedge-demo-child:${VERSION:-latest}
diff --git a/demos/docker-compose/tedge-containermgmt/docker-compose.yaml b/demos/docker-compose/tedge-containermgmt/docker-compose.yaml
index 935e03a..f67f34f 100644
--- a/demos/docker-compose/tedge-containermgmt/docker-compose.yaml
+++ b/demos/docker-compose/tedge-containermgmt/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3"
-
 # device template
 x-device-defaults: &defaults
   image: ghcr.io/thin-edge/tedge-demo-containermgmt:${VERSION:-latest}
diff --git a/demos/docker-compose/tedge/docker-compose.yaml b/demos/docker-compose/tedge/docker-compose.yaml
index 4e7832a..dcd22ea 100644
--- a/demos/docker-compose/tedge/docker-compose.yaml
+++ b/demos/docker-compose/tedge/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3"
-
 # device template
 x-device-defaults: &defaults
   image: ghcr.io/thin-edge/tedge-demo:${VERSION:-latest}
diff --git a/images/alpine-s6/docker-compose.yaml b/images/alpine-s6/docker-compose.yaml
index 9c8528e..e1ffa80 100644
--- a/images/alpine-s6/docker-compose.yaml
+++ b/images/alpine-s6/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3"
-
 # device template
 x-device-defaults: &device-defaults
   build:
diff --git a/images/debian-systemd/docker-compose.yaml b/images/debian-systemd/docker-compose.yaml
index 9440ec2..875f3c2 100644
--- a/images/debian-systemd/docker-compose.yaml
+++ b/images/debian-systemd/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: '3'
-
 # child device template
 x-child-defaults: &child-defaults
   build:
diff --git a/images/tedge-containermgmt/docker-compose.yaml b/images/tedge-containermgmt/docker-compose.yaml
index 19c15ee..7dc84f6 100644
--- a/images/tedge-containermgmt/docker-compose.yaml
+++ b/images/tedge-containermgmt/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3"
-
 # device template
 x-device-defaults: &defaults
   build:
diff --git a/images/tedge/docker-compose.yaml b/images/tedge/docker-compose.yaml
index 943263f..129bf6f 100644
--- a/images/tedge/docker-compose.yaml
+++ b/images/tedge/docker-compose.yaml
@@ -1,5 +1,3 @@
-version: "3"
-
 # device template
 x-device-defaults: &defaults
   build:
diff --git a/tests/tedge-containermgmt/data/docker-compose.nginx.yaml b/tests/tedge-containermgmt/data/docker-compose.nginx.yaml
index bfc9e8b..f2fe024 100644
--- a/tests/tedge-containermgmt/data/docker-compose.nginx.yaml
+++ b/tests/tedge-containermgmt/data/docker-compose.nginx.yaml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   nginx:
     image: nginx