diff --git a/Cargo.lock b/Cargo.lock
index 0761268c9d41..2b1e918e2f5e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4412,7 +4412,6 @@ version = "0.0.0"
 dependencies = [
  "field-offset",
  "measureme",
- "memoffset",
  "rustc-rayon-core",
  "rustc_data_structures",
  "rustc_errors",
diff --git a/compiler/rustc_query_impl/Cargo.toml b/compiler/rustc_query_impl/Cargo.toml
index a350e8b2e3a4..dac86116d5b6 100644
--- a/compiler/rustc_query_impl/Cargo.toml
+++ b/compiler/rustc_query_impl/Cargo.toml
@@ -22,8 +22,5 @@ rustc_span = { path = "../rustc_span" }
 thin-vec = "0.2.12"
 tracing = "0.1"
 
-# Not used directly, but included to enable the unstable_offset_of feature
-memoffset = { version = "0.9.0", features = ["unstable_offset_of"] }
-
 [features]
 rustc_use_parallel_compiler = ["rustc-rayon-core", "rustc_query_system/rustc_use_parallel_compiler"]