diff --git a/Cargo.lock b/Cargo.lock
index 35488894134..5fdf3e898fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -161,7 +161,6 @@ dependencies = [
 name = "chalk-parse"
 version = "0.76.0-dev.0"
 dependencies = [
- "indexmap",
  "lalrpop",
  "lalrpop-util",
  "regex",
diff --git a/chalk-parse/Cargo.toml b/chalk-parse/Cargo.toml
index 9b367239a80..e23b2b3b292 100644
--- a/chalk-parse/Cargo.toml
+++ b/chalk-parse/Cargo.toml
@@ -16,7 +16,6 @@ version = "0.19"
 features = ["lexer"]
 
 [dependencies]
-indexmap = "1.7.0"
 lalrpop-util = "0.19"
 regex = "1.3"
 string_cache = "0.8.0"