diff --git a/Cargo.lock b/Cargo.lock
index ef56c85b1..591b97462 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4459,7 +4459,6 @@ dependencies = [
  "displaydoc",
  "futures 0.3.14",
  "futures-util",
- "halo2",
  "jubjub",
  "lazy_static",
  "metrics",