diff --git a/shared/bookdb/default.nix b/shared/bookdb/default.nix
index 856c7ea0..a209e401 100644
--- a/shared/bookdb/default.nix
+++ b/shared/bookdb/default.nix
@@ -46,7 +46,7 @@ in
       };
     };
 
-    nixfiles.oci-containers.containers.bookdb-db = {
+    nixfiles.oci-containers.pods.bookdb.containers.db = {
       image = "elasticsearch:${cfg.elasticsearchTag}";
       environment = {
         "http.host" = "0.0.0.0";
@@ -56,7 +56,6 @@ in
       };
       ports = [{ host = cfg.elasticsearchPort; inner = 9200; }];
       volumes = [{ name = "esdata"; inner = "/usr/share/elasticsearch/data"; }];
-      volumeSubDir = "bookdb";
     };
 
     users.users.bookdb = {
diff --git a/shared/bookmarks/default.nix b/shared/bookmarks/default.nix
index 4c3458cd..cdfe89f9 100644
--- a/shared/bookmarks/default.nix
+++ b/shared/bookmarks/default.nix
@@ -41,7 +41,7 @@ in
       };
     };
 
-    nixfiles.oci-containers.containers.bookmarks-db = {
+    nixfiles.oci-containers.pods.bookmarks.containers.db = {
       image = "elasticsearch:${cfg.elasticsearchTag}";
       environment = {
         "http.host" = "0.0.0.0";
@@ -51,7 +51,6 @@ in
       };
       ports = [{ host = cfg.elasticsearchPort; inner = 9200; }];
       volumes = [{ name = "esdata"; inner = "/usr/share/elasticsearch/data"; }];
-      volumeSubDir = "bookmarks";
     };
 
     nixfiles.backups.scripts.bookmarks = ''
diff --git a/shared/oci-containers/default.nix b/shared/oci-containers/default.nix
index c11057b2..a3f5c1f2 100644
--- a/shared/oci-containers/default.nix
+++ b/shared/oci-containers/default.nix
@@ -93,9 +93,8 @@ let
           volumeSubDir = pod.volumeSubDir;
         }
       );
-      podContainers = concatMapAttrs (podName: pod: mapAttrs' (mkPodContainer podName pod) pod.containers) cfg.pods;
     in
-    attrsets.unionOfDisjoint cfg.containers podContainers;
+    concatMapAttrs (podName: pod: mapAttrs' (mkPodContainer podName pod) pod.containers) cfg.pods;
 in
 {
   imports = [
diff --git a/shared/oci-containers/options.nix b/shared/oci-containers/options.nix
index b917cebf..333a8cc3 100644
--- a/shared/oci-containers/options.nix
+++ b/shared/oci-containers/options.nix
@@ -167,43 +167,6 @@ in
       '';
     };
 
-    containers = mkOption {
-      type = types.attrsOf (types.submodule ({ name, ... }: {
-        options =
-          containerOptions //
-          {
-            pod = mkOption {
-              type = types.nullOr types.str;
-              default = null;
-              description = mdDoc ''
-                Pod to attach the container to.  This is only valid if using
-                podman as the backend.
-              '';
-            };
-            network = mkOption {
-              type = types.nullOr types.str;
-              default = null;
-              description = mdDoc ''
-                Network to attach the container to.  This is only valid if using
-                docker as the backend.
-              '';
-            };
-            volumeSubDir = mkOption {
-              type = types.str;
-              default = name;
-              description = mdDoc ''
-                Subdirectory of the `''${volumeBaseDir}` to store bind-mounts
-                under.
-              '';
-            };
-          };
-      }));
-      default = { };
-      description = mdDoc ''
-        Attrset of container definitions.
-      '';
-    };
-
     pods = mkOption {
       type = types.attrsOf (types.submodule ({ name, ... }: {
         options = {
diff --git a/shared/pleroma/default.nix b/shared/pleroma/default.nix
index 103b0df9..9e909a7d 100644
--- a/shared/pleroma/default.nix
+++ b/shared/pleroma/default.nix
@@ -77,7 +77,7 @@ in
         [ "${toString (pkgs.copyPathToStore cfg.faviconPath)}:/var/lib/pleroma/static/favicon.png" ];
     };
 
-    nixfiles.oci-containers.containers.pleroma-db = {
+    nixfiles.oci-containers.pods.pleroma.containers.db = {
       image = "postgres:${cfg.postgresTag}";
       environment = {
         "POSTGRES_DB" = "pleroma";
@@ -89,7 +89,6 @@ in
         { name = "pgdata"; inner = "/var/lib/postgresql/data"; }
         { host = "/var/run/pleroma/db"; inner = "/var/run/postgresql"; }
       ];
-      volumeSubDir = "pleroma";
     };
 
     # TODO: figure out how to get `sudo` in the unit's path (adding the package