!!

storage/database/Cargo.toml

@@ -12,12 +12,12 @@ keywords    = ["cuprate", "database"]
 default     = ["heed"]
 # default     = ["redb"]
 # default     = ["redb-memory"]
-heed        = []
+heed        = ["dep:cuprate-helper"]
 redb        = ["dep:redb"]
 redb-memory = ["redb"]
 
 [dependencies]
-cuprate-helper = { workspace = true, features = ["cast"] }
+cuprate-helper = { workspace = true, features = ["cast"], optional = true }
 
 bytemuck  = { version = "1.18.0", features = ["must_cast", "derive", "min_const_generics", "extern_crate_alloc"] }
 bytes     = { workspace = true }

storage/database/src/lib.rs

@@ -71,6 +71,5 @@ cfg_if::cfg_if! {
         use redb as _;
     } else {
         use heed as _;
-        use cuprate_helper as _;
     }
 }