diff --git a/deployments/docker-compose.yml b/deployments/docker-compose.yml
index 323b145..9b72f6f 100644
--- a/deployments/docker-compose.yml
+++ b/deployments/docker-compose.yml
@@ -35,9 +35,6 @@ services:
 
   postgres:
     image: postgis/postgis:17-3.5
-    # postgis/postgis has no native arm64 build; run under emulation on Apple
-    # Silicon. Drop this line on amd64 hosts.
-    platform: linux/amd64
     environment:
       POSTGRES_USER: gis
       POSTGRES_PASSWORD: gis