diff --git a/e2e_tests/docker/indexer-filtered/docker-compose.yml b/e2e_tests/docker/indexer-filtered/docker-compose.yml
index 7d749450..4a7c1bd1 100644
--- a/e2e_tests/docker/indexer-filtered/docker-compose.yml
+++ b/e2e_tests/docker/indexer-filtered/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   e2e-write:
     build:
diff --git a/e2e_tests/docker/indexer/docker-compose.yml b/e2e_tests/docker/indexer/docker-compose.yml
index 96528bf0..6171f014 100644
--- a/e2e_tests/docker/indexer/docker-compose.yml
+++ b/e2e_tests/docker/indexer/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
   e2e:
     build:
diff --git a/monitoring/docker-compose.yml b/monitoring/docker-compose.yml
index afc8431f..0cbdd5b3 100644
--- a/monitoring/docker-compose.yml
+++ b/monitoring/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3'
 services:
   indexer:
     container_name: "indexer"