diff --git a/Cargo.lock b/Cargo.lock
index dd91fe40a37..6266273e99d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,7 +126,6 @@ version = "0.97.0-dev.0"
 dependencies = [
  "bitflags 2.4.1",
  "chalk-derive",
- "lazy_static",
 ]
 
 [[package]]
diff --git a/chalk-ir/Cargo.toml b/chalk-ir/Cargo.toml
index 4e0b9cd3b34..d2633418a77 100644
--- a/chalk-ir/Cargo.toml
+++ b/chalk-ir/Cargo.toml
@@ -10,6 +10,5 @@ keywords = ["compiler", "traits", "prolog"]
 edition = "2018"
 
 [dependencies]
-lazy_static = "1.4.0"
 bitflags = "2.4.1"
 chalk-derive = { version = "0.97.0-dev.0", path = "../chalk-derive" }