diff --git a/go/buscompose/engine.go b/go/buscompose/engine.go
deleted file mode 100644
index 1f52f8c0..00000000
--- a/go/buscompose/engine.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package buscompose
-
-// EngineModule is the node-engine's manifest's module name, and EngineActsState its state the acts asked through the
-// node seat and its own asks are kept in (ADR 0563 §2, §3: "the engine's own state"): the bucket mesh-host_acts, keys
-// `<node>.act.<id>`, `<node>.open.<act>.<digest>` and `<node>.ask.<id>`, each written by that node's engine alone.
-const (
-	EngineModule    = "mesh-host"
-	EngineActsState = "acts"
-)
-
-// EngineActsBucket is that state's bucket.
-var EngineActsBucket = BucketName(EngineModule, EngineActsState)