diff --git a/docker/adguardhome/docker-compose.yml b/docker/adguardhome/docker-compose.yml
index 52d16ba..39ef453 100644
--- a/docker/adguardhome/docker-compose.yml
+++ b/docker/adguardhome/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   adguardhome:
     image: adguard/adguardhome:v0.107.69
diff --git a/docker/gitea/docker-compose.yml b/docker/gitea/docker-compose.yml
index 08c627a..43febe0 100644
--- a/docker/gitea/docker-compose.yml
+++ b/docker/gitea/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   server:
     image: gitea/gitea:1.24
diff --git a/docker/heimdall/docker-compose.yml b/docker/heimdall/docker-compose.yml
index 7cf2356..904f5fd 100644
--- a/docker/heimdall/docker-compose.yml
+++ b/docker/heimdall/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "2.1"
 services:
   heimdall:
     image: lscr.io/linuxserver/heimdall:latest
diff --git a/docker/wikijs/docker-compose.yml b/docker/wikijs/docker-compose.yml
index 19dc99e..8f0d169 100644
--- a/docker/wikijs/docker-compose.yml
+++ b/docker/wikijs/docker-compose.yml
@@ -1,4 +1,3 @@
-version: "2.1"
 services:
   wikijs:
     image: linuxserver/wikijs:2.5.312