diff --git a/deployment/docker-compose.ocelotsocial-branded.yml b/deployment/docker-compose.ocelotsocial-branded.yml
index 0c42d6273..b9ea2b434 100644
--- a/deployment/docker-compose.ocelotsocial-branded.yml
+++ b/deployment/docker-compose.ocelotsocial-branded.yml
@@ -1,6 +1,4 @@
 # This docker-compose file is just here for testing
-version: "3.4"
-
 services:
 
   ########################################################
diff --git a/deployment/docker-compose.yml b/deployment/docker-compose.yml
index e66b41f9f..145023f42 100644
--- a/deployment/docker-compose.yml
+++ b/deployment/docker-compose.yml
@@ -1,6 +1,6 @@
 # This docker-compose file is just here for testing
-version: "3.4"
 services:
+
   webapp-base:
     image: ocelotsocialnetwork/webapp:local-base
     build: 
diff --git a/docker-compose.maintenance.yml b/docker-compose.maintenance.yml
index b006713ec..1f2a2f5b4 100644
--- a/docker-compose.maintenance.yml
+++ b/docker-compose.maintenance.yml
@@ -1,8 +1,7 @@
 # Todo: !!! This file seems related to our old maintenance worker for MongoDB and has to be refactored in case of using it !!!
 
-version: "3.4"
-
 services:
+
   maintenance-worker:
     image: ocelotsocialnetwork/develop-maintenance-worker:latest
     build:
diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 1d8dbf966..d99ef9cfb 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
 
   ########################################################
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index fa858f28c..9ee94801d 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -1,5 +1,3 @@
-version: "3.4"
-
 services:
 
   ########################################################
diff --git a/docker-compose.yml b/docker-compose.yml
index 55fe8b262..ed69e7f01 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,8 +3,6 @@
 # is required to explicitly define if you want an production build:
 # > docker-compose -f docker-compose.yml up 
 
-version: "3.4"
-
 services:
 
   ########################################################