diff --git a/docker-compose.yml b/docker-compose.yml
index 02f5349f..6d54aad3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 # The docker-compose.yml file is not meant to be modified itself. 
 # Instead use the following files for configurations:
 # - .env: Environment variables for the docker-compose.yml file.
diff --git a/docker-compose/docker-compose.development.yml b/docker-compose/docker-compose.development.yml
index e743fc1a..06aced22 100644
--- a/docker-compose/docker-compose.development.yml
+++ b/docker-compose/docker-compose.development.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 services:
   nopaque:
     environment:
diff --git a/docker-compose/docker-compose.scale.yml b/docker-compose/docker-compose.scale.yml
index bc9154fc..e0dfa48c 100644
--- a/docker-compose/docker-compose.scale.yml
+++ b/docker-compose/docker-compose.scale.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 services:
   nopaque:
     environment:
diff --git a/docker-compose/docker-compose.traefik.yml b/docker-compose/docker-compose.traefik.yml
index 51655c5c..5c428aba 100644
--- a/docker-compose/docker-compose.traefik.yml
+++ b/docker-compose/docker-compose.traefik.yml
@@ -1,5 +1,3 @@
-version: "3.5"
-
 networks:
   traefik:
     external: true