diff --git a/Cargo.lock b/Cargo.lock
index 90d77d9f..02cb9e11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1428,7 +1428,6 @@ dependencies = [
  "lmdb-rkv-sys",
  "once_cell",
  "page_size",
- "serde",
  "synchronoise",
  "url",
 ]
diff --git a/src/db/Cargo.toml b/src/db/Cargo.toml
index 230fbaf9..44f0be56 100644
--- a/src/db/Cargo.toml
+++ b/src/db/Cargo.toml
@@ -21,7 +21,7 @@ err-derive = "0.3"
 hexdump = "0.1"
 tracing = "0.1.30"
 
-heed = "0.11"
+heed = { version = "0.11", default-features = false, features = ["lmdb"] }
 rusqlite = "0.27"
 sled = "0.34"