diff --git a/.env b/.env
deleted file mode 100644
index 8e2ceb04..00000000
--- a/.env
+++ /dev/null
@@ -1,6 +0,0 @@
-
-# Required to set default values for docker-compose.yml
-
-# Use nanoarrow's docker images
-REPO=ghcr.io/apache/arrow-nanoarrow
-GEOARROW_ARCH=amd64
diff --git a/docker-compose.yml b/docker-compose.yml
index 48368ac3..d0313301 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,14 +4,7 @@ version: '3.5'
 services:
 
   docs:
-    image: ${REPO}:ubuntu-${GEOARROW_ARCH}
-    build:
-      context: .
-      cache_from:
-        - ${REPO}:ubuntu-${GEOARROW_ARCH}
-      dockerfile: ci/docker/ubuntu.dockerfile
-      args:
-        GEOARROW_ARCH: ${GEOARROW_ARCH}
+    image: ghcr.io/apache/arrow-nanoarrow:ubuntu
     volumes:
       - .:/geoarrow-c
     command: "/bin/bash /geoarrow-c/ci/scripts/build-docs.sh"