diff --git a/docker-compose.override.macos-sample.yml b/docker-compose.override.macos-sample.yml
index 85e71a9665..e6bb551bf9 100644
--- a/docker-compose.override.macos-sample.yml
+++ b/docker-compose.override.macos-sample.yml
@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   # for M1 Macs
   db:
diff --git a/mailpoet/tests/performance/docker-compose.yml b/mailpoet/tests/performance/docker-compose.yml
index 0150f7d5d0..f784eae9f0 100644
--- a/mailpoet/tests/performance/docker-compose.yml
+++ b/mailpoet/tests/performance/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.9'
-
 services:
   setup:
     image: wordpress:cli-2.7-php8.2
diff --git a/tests_env/docker/docker-compose.override.macos-sample.yml b/tests_env/docker/docker-compose.override.macos-sample.yml
index 4eb01b2242..f1ad7c2cc0 100644
--- a/tests_env/docker/docker-compose.override.macos-sample.yml
+++ b/tests_env/docker/docker-compose.override.macos-sample.yml
@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   # for M1 Macs
   mysql: